principles of aerobic excercise -leslie

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    PRINCIPLES OF

    AEROBICEXCERCISE

    Myra LESLIES S. VILORIA

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    Physical Activity

    As defined y ACSM and the Centers !f "iseaseC!ntr!l and #reventi!n $C"C% is any !dy &!ve&ent#r!d'ced y the c!ntracti!n !f s(eletal &'scles thatres'lt in a s' stantial increase !ver restin) ener)ye*#endit're .

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    FI+NESSa ility t! #erf!r& #hysical ,!r(

    -!r( re 'ires / A.

    B.

    C

    cardi!res#irat!ry f'ncti!nin)0 &'sc'lar stren)th and end'rance0 and &'sc'l!s(eletal fle*i ility.

    1!, d! ,e ec!&e #hysically fit 2

    A.

    B.

    'ses lar)e &'scle )r!'#s and challen)e the cardi!res#irat!ry syste&.

    Activities that can ir!ve )eneral fitness 2

    ,al(in)0 i(in)0 r'nnin)0 s,i&&in)0 stair cli& in)0 cr!ss c!'ntry s(iin)0 and3!r trainin) ,ith ,ei)hts.

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    Ma*i&'& O*y)en C!ns'ti!na &eas're !f the !dy4s ca#acity t! 'se !*y)en

    It is the &a*i&'& a&!'nt !f !*y)en c!ns'&ed #er &in'te ,hen the individ'al hasreached &a*i&'& eff!rt.

    1!, it is 's'ally &eas're2

    A. lar)e &'scles

    B. Activities s'ch as /

    #erf!r&in) an e*ercise that 'ses &any lar)e &'scles )r!'#s s'ch as s,i&&in)0,al(in) and r'nnin)

    "e#endent !n /

    the trans#!rt !f !*y)en0 !*y)en5 indin) ca#acity !f the l!!d0 cardiac f'ncti!n0!*y)en e*tracti!n ca#a ilities0 and &'sc'lar !*idative #!tential.

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    End'rance

    Is the a ility t! ,!r( f!r #r!l!n)ed #eri!ds !f ti&eand the a ility t! resist fati)'e.

    6 ty#es /

    A. M'sc'lar

    B. Cardi!vasc'lar

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    M'sc'lar End'rance

    Refers t! the a ility !f an is!lated &'scle)r!'# t! #erf!r& re#eated c!ntracti!ns !ver a#eri!d !f ti&e.

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    Cardi!vasc'lar End'rance

    Refers t! the a ility t! #erf!r& lar)e &'scledyna&ic e*ercises s'ch as ,al(in)0s,i&&in)0 and3!r i(in) f!r l!n) #eri!ds !fti&e.

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    Aer! ic E*ercise +rainin)

    Aer! ic e*ercise trainin) !r c!nditi!nin) is a')&entati!n !fthe ener)y 'tili7ati!n !f the &'scle y &eans !f an e*ercise#r!)ra&.

    +he ir!ve&ent !f the &'scles a ility t! 'se ener)y is adirect res'lt !f/

    increased levels !f !*idative en7y&es in the &'scles0 increased &it!ch!ndrial density and si7e0

    and an increased &'scle fi er ca#illary s'##ly

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    +rainin)+RAININ85Is de#endent !n e*ercise !f s'fficient /

    A.FB.I

    C.+

    Pr!d'ces/

    A. M'sc'lar

    B. Cardi!vasc'larC. individ'al4s end'rance

    +RAININ85F!r a #artic'lar s#!rt !r event

    9ses :::::::: #rinci#le that is0 the individ'al ir!ves in the e*ercise tas('sed f!r trainin) and &ay n!t ir!ve in !ther tas(.

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    Ada#tati!n Ada#tati!n5 efficiency !f the cardi!vasc'lar syste& and the active &'scles.

    Re#resents a variety !f chan)es in the cardi!vasc'lar and &'sc'lar syste& / $PNB% A. Physical

    B. Ne'r!l!)ical

    C. Bi!che&ical

    Is de#endent !n the a ility !f the !r)anis& t! chan)e the trainin) sti&'l's thresh!ld $thesti&'l's that elicits a trainin) res#!nse%.

    Is the #ers!n ,ith a l!, level !f fitness has &!re #!tential t! ir!ve that the !ne,h! has a hi)h level !f fitness2 ;es !r N!2

    +he hi)her the initial level !f fitness0 the )reater the intensity !f e*ercise needed t!elicit a si)nificant chan)e.

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    My!cardial O*y)en C!ns'ti!nis a &eas're !f the !*y)en c!ns'&ed y &y!cardial &'scle.

    +he need !r de&and f!r !*y)en is deter&ined /

    A.

    B.

    C.

    ".

    the heart rate $1R%0 syste&ic l!!d #ress're0 &y!cardial c!ntractility0 and afterl!ad.

    "e#endent !n /

    A. arterial !*y)en c!ntent $ l!!d s' strate%0

    B. he&!)l! in !*y)en diss!ciati!n0

    C. and c!r!nary l!!d fl!,0 ,hich is deter&ined y a!rtic diast!lic #ress're0 d'rati!n !f diast!le0

    ". c!r!nary artery resistance0 and

    E. c!llateral circ'lati!n.

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    In a healthy individ'al0 the alance et,een &y!cardial!*y)en s'##ly and de&and is &aintained d'rin) &a*i&'&e*ercise.

    -hen the de&and f!r !*y)en is )reater than the s'##ly0&y!cardial ische&ia res'lts.

    Beca'se the &y!cardial &'scle e*tracts t! !*y)enfr!& the l!!d d'rin) rest0 its &ain s!'rce !f s'##ly d'rin)e*ercise is thr!')h an increase in c!r!nary l!!d fl!,.

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    "ec!nditi!nin)

    "ec!nditi!nin) 5 !cc'rs ,ith #r!l!n)ed ed rest0 and itseffects are fre 'ently seen in a #atient ,h! has had ane*tended0 ac'te illness !r l!n) ter& chr!nic c!nditi!n.

    Refer t! B!*

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    Ener)y Syste&s0Ener)y E*#endit're0

    and Efficiency

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    Ener)y Syste&sEner)y Syste&s5 Are &eta !lic syste&s inv!lvin) a series !f

    i!che&ical reacti!ns res'ltin) in the f!r&ati!n !f aden!sinetri#h!s#hate $A+P%0 car !n di!*ide and ,ater.

    C!nversi!n !f A+P t! #erf!r& &eta !lic activities /

    A.

    B.

    Aden!sine di#h!s#hate $A"P% and #h!s#hate $P%

    M'scle cells 'se this ener)y f!r :::::::: cr!ss5 rid)ef!r&ati!n ,hen::::::::::::::::::.

    actin0 &y!sin0 c!ntractin)

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    @ MA OR ENER8; S;S+EM$ PAA%

    A. Ph!s#ha)enB. Aer! ic

    C. Anaer! ic

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    Ph!s#ha)en0 !r A+P5PC0 Syste&

    Ph!s#h!creatine and A+P are st!red in the 2the che&ical f'el s!'rce2

    N! !*y)en is re 'ired $anaer! ic%

    +he syste& #r!vides ener)y f!r/ 2

    It is the &a !r s!'rce !f ener)y d'rin) the:::::sec!nds !f ::::::::::::: e*ercise

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    Ph!s#ha)en0 !r A+P5PC0 Syste&Ph!s#h!creatine and A+P are st!red in the 2

    M'scle cellthe che&ical f'el s!'rce2

    Ph!s#ha)en

    N! !*y)en is re 'ired $anaer! ic%

    +he syste& #r!vides ener)y f!r/ 2

    Sh!rt0 'ic(0 'rst !f activity

    It is the &a !r s!'rce !f ener)y d'rin) the::::: sec!nds !f ::::::::::::: e*ercise

    @= sec!nds0 intensity

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    ANAEROBIC 8L;COL;+IC S;S+EM

    8lyc!)n f'el s!'rce !f ener)yN! !*y)en is re 'ires

    A+P is resynthesi7ed in &'scle cell

    By5#r!d'ct !f anaer! ic )lyc!lysis / lactic acid

    Pr!vides ener)y f!r activity !f &!derate intensity and sh!rt5d'rati!n

    Ma !r s!'rce !f ener)y fr!& the @= D =th sec!nd

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    Aer! ic Syste& f'el s!'rces/ $FP8 %

    A. Fats

    B. 8lyc!)en

    C. Pr!teins

    are 'tili7ed relative t! their / $AI%

    A. availa ility

    B. intensity !f the e*ercise

    O*y)en is re 'ired $aer! ic%

    A+P is resynthesi7ed in the / &it!ch!ndria !f the cell

    +he a ility t! &eta !li7e !*y)en and !ther s' strates is related t!

    A. n'& er

    B. +he syste& #red!&inates !ver the !ther ener)y syste&s after the :::::::::: !f e*ercise.

    @= t! =th sec!nd

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    Aer! ic Syste& f'el s!'rces/

    A.

    B.

    C.

    are 'tili7ed relative t! their /

    A.

    B..

    O*y)en is re 'ired $aer! ic%

    A+P is resynthesi7ed in the /

    +he a ility t! &eta !li7e !*y)en and !ther s' strates is related t!

    A.

    B. +he syste& #red!&inates !ver the !ther ener)y syste&s after the :::::::::: !f

    e*ercise.

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    "e#endent !n the rate !f ,!r( recr'ited seltectively !r n!t d'rin) e*ercise

    SLOW TWITCH FAST TWITCH ( TYPE II B ) FAST TWITCH ( TYPE II A )

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    a sl!, c!ntractile res#!nse0

    are rich in &y!)l! in &it!ch!ndria0

    have a hi)h !*idative ca#acity

    and a l!, anaer! ic ca#acity0 and are recr'ited f!r activities de&andin) end'rance. +hese fi ers are s'##lied y s&all ne'r!ns ,ith a l!, thresh!ld !f activati!n

    fast c!ntractile res#!nse0

    have a l!, have a l!, &y!)l! in c!ntent

    fe, &it!ch!ndria0

    have a hi)h )lyc!lytic ca#acity0 and are recr'ited f!r activities re 'irin) #!,er.

    have characteristics !f !th ty#e I and ty#e IIB fi ers and are recr'ited f!r !thanaer! ic and aer! ic activities.

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    Recr'it&ent !f M!t!r 9nitsSl!, t,itch fi ers $ty#e I%5 are characteri7ed y a sl!,c!ntractile res#!nse0 are rich in &y!)l! in and &it!ch!ndria0have a hi)h !*idative ca#acity and a l!, anaer! ic ca#acity0and are recr'ited f!r activities de&andin) end'rance. +hesefi ers are s'##lied y s&all ne'r!ns ,ith a l!, thresh!ld !factivati!n

    Fast5+,itch fi ers $ty#e IIB% are characteri7ed y a fast

    c!ntractile res#!nse0 have a l!, have a l!, &y!)l! in c!ntentand fe, &it!ch!ndria0 have a hi)h )lyc!lytic ca#acity0 and arerecr'ited f!r activities re 'irin) #!,er.

    Fast5+,itch fi ers $ty#e IIA% have characteristics !f !th ty#e Iand ty#e IIB fi ers and are recr'ited f!r !th anaer! ic andaer! ic activities.

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    F'ncti!nal Ilicati!nsB'rst !f intense activity5 lastin) !nly sec!nds

    devel!#s/ $M9SS+EL%

    A. &'scle stren)thB. str!n)er tend!ns

    C. str!n)er li)a&ents

    A+P is s'##lied y the :::::::::::: syste&. $P%

    Intense Activity5 lastin) 56 &in'tes re#eated after G &in'tes !f rest !r &ild e*ercise

    enhances ::::::::: #!,er.

    Anaer! ic

    A+P is s'##lied y the ::::::::::::::::: and ::::::::::: syste&. $AP%

    Activity ,ith lar)e &'scles5 ,hich is less than &a*i&'& intensity f!r @5? &in'tes re#eated afterrest !r &ild e*ercise !f si&ilar d'rati!n0 &ay devel!# aer! ic #!,er and end'rance ca#a ilities.

    A+P is s'##lied y the #h!s#ha)en0 aer! ic 0 aner! ic .

    S' &a*i&'& intensity5 lastin) 6=5@= &in'tes !r &!re ta*es a hi)h #ercenta)e !f the aer! ic

    syste& and devel!# end'rance.

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    1!, d!es !'r !dy res#!nse t!e*ercise 2 $ #hysi!l!)ically %

    Ra#id ener)y re 'ire&ents circ'lat!ry ad 'st&ents

    +! &eet the increase need !f !*y)en and n'trients

    +! a le t! re&!ve end #r!d'cts &eta !lis& s'ch as 2 $ a:::::::::: . ::::::::%$CO.LA%

    H Pr!d'cti!n !f &!re Car !n "i!*ide ,ill &a(e the tiss'e $ Al(aline !r Acidic% -hy 2 Acid!tic +iss'e 0 eca'se !f increase !ndin) !f 1ydr!)en I!ns

    If end #r!d'cts are n!t re&!ve ,hat ,ill ha##en 2"OMS

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    +he shift in !dy &eta !lis& !cc'rs thr!')h a c!!rdinated activity !f allthe syste&s !f the !dy/

    A. ne'r!&'sc'lar0

    B. res#irat!ry

    C. cardi!vasc'lar0

    ". &eta !lic0E. h!r&!nal

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    Cardi!vasc'lar Res#!nse t! E*ercise

    Sti&'lati!n !f &yelinated and 'n&yelinated fi ers in the s(eletal &'scleinv!lves a syathetic nerv!'s syste& $SNS% res#!nse.

    -hat ha##ens d'rin) +he SNS 2 Peri#heral Vas!c!nstrict !r vas!dilate2

    Peri#heral vas!c!nstricti!n

    In ,hat area 2

    n!n e*ercisin) &'scle+he rati!nale f!r this is increase in ,hat2

    A0 increase &y!cardial c!ntracti!n

    B0 1R

    C. H syst!lic l!!d #ress're

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    Cardiac Effects

    +he fre 'ency !f sin!atrial n!de de#!lari7ati!nincreases as d!es the heart rate.

    +here is a decrease in va)al sti&'li as ,ell as anincrease in SNS sti&'lati!n

    +here is an increase in the f!rce devel!#&ent !f thecardiac &y!fi ers. A direct in!tr!#ic res#!nse !f theSNS increases &y!cardial c!ntractility.

    Peri#heral Effects

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    Peri#heral EffectsNet red'cti!n in t!tal #eri#heral resistance5 8enerali7edvas!c!nstricti!n !cc'rs that all!,s l!!d t! e sh'nted fr!& the /

    A. net,!r(in) &'scles0

    B. (idney

    C. liver0

    ". s#leen0

    E. and s#lanchnic area t! the ,!r(in) &'scles.

    A l!cally &ediated red'cti!n in resistance in the ,!r(in) &'sclearterial vasc'lar ed0 inde#endent !f the a't!n!&ic nerv!'ssyste&0 is #r!d'ced y &eta !lites s'ch as M)6 0 Ca6 0 A"P and

    PCO .

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    -hat &a(es the #eri#heral ven!'s#ress're increase2

    Increased in &y!cardial c!ntractility0 ,ith a res'ltant increase in str!(e v!l'&e0heart rate0 l!!d fl!, thr!')h the ,!r(in)&'scle0 and

    an increase in the c!nstricti!n !f theca#acitance vessels !n the ven!'s side !f thecirc'lati!n in !th the ,!r(in) and n!n ,!r(in)&'scles0

    hat are the Res#irat!ry Res#!nse

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    -hat are the Res#irat!ry Res#!nset! E*ercise

    8as e*chan)e $O60 CO6% increases acr!ss the alve!lar5ca#illary &e& rane y the first !rsec!nd reath.

    Increased &'scle &eta !lis& d'rin) e*ercise res'lt in &!re O6 e*tracted fr!& arteriall!!d0 res'ltin) in an increase in ven!'s PCO6 and 1J

    0 an increase in !dy teerat're0

    increased e#ine#hrine0 and

    increase sti&'lati!n !f rece#t!rs !f the !ints and &'scles.

    .

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    Other fact!rs that can increase t!res#irat!ry res#!nses

    A.B.

    C.

    ".

    E

    Bar!rece#t!r refle*es0 #r!tective refle*es0 #ain0 e&!ti!n and v!l'ntary c!ntr!l !f res#irati!n &ay als! c!ntri 'tet! the increase in res#irati!n

    -hat ha##ens d'rin) diff'si!n !f )ases acr!ss ca#illary alve!lar &e& rane2

    Alve!lar ventilati!n

    -hat is rati!nale !f increase alve!lar ventilati!n 2

    increase =56= f!ld d'rin) heavy e*ercise t! s'##ly the additi!nal !*y)en needed and e*crete the e*cess CO6#r!d'ced

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    Res#!nses Pr!vidin) Additi!nalO*y)en t! M'scle

    A decrease !f the l!cal tiss'e PO6 !cc'rs eca'se !f 'se !f&!re !*y)en y the ,!r(in) &'scle

    As the #artial #ress're !f !*y)en decreases0 the 'nl!adin) !f!*y)en fr!& he&!)l! in is facilitated.

    +he #r!d'cti!n !f &!re CO6 ca'ses the tiss'e t! ec!&e

    acid!tic $the hydr!)en i!n increases% and the teerat're !f thetiss'e t! increase.

    +he increase !f red l!!d cells 60@5di#h!s#!)lycerate $"P8%#r!d'ce the )lyc!sis d'rin) e*ercise als! c!ntri 'tes t! theenhanced release !f !*y)en

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    Fact!rs in O*y)en C!ns'ti!n

    Vasc'larity !f the &'scleFi er distri 'ti!n

    N'& er !f &it!ch!ndria

    O*idative &it!ch!ndrial en7y&es #resent in the fi er

    is the difference et,een the !*y)en c!ntent !f arterial and ven!'sl!!d2

    Atri!ven!'s !*y)en difference

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    +estin) as a Basis f!r E*ercisePr!)ra&s

    Re)ardless !f the ty#e !f testin)0 the level !f#erf!r&ance is ased !n the s' &a*i&'& !r&a*i&'& !*y)en '#ta(e $VO6 &a*% !r thesyt!&5li&ited !*y)en '#ta(e.

    +he ca#acity !f the individ'al t! trans#!rt and'tili7e !*y)en is reflected in the !*y)en'#ta(e.

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    Fitness +estin) !f 1ealthy S' ectsField test f!r deter&inin) the cardi!vasc'lar fitness5 include the time to run 1mile! or di!t"nce r"n in 1# minute!.

    +his &eas'res c!rrelate ,ell ,ith the VO6 &a*0 't their 'se is limited to $&er!on! or middle "%ed indi'idu"l! ho h"'e een c"re*ull$ !creened or h"'eeen +o%%in% or runnin% *or !ome time

    M'ltista)e testin) can #r!vide can #r!vide a direct &eas're&ent !f VO6 &a* yanaly7in) sales !f e*#ired air

    +estin) is 's'ally c!leted in *our to !i, tre"dmill !t"%e! 0 ,hich #r!)ressincrease in s#eed and !r )rade

    Each sta)e i! - / minute! lon%

    Electroc"rdio%r"&hic (EC0) monitorin% is #erf!r&ed d'rin) the testin)

    Ma*i&'& !*y)en '#ta(e can e determined hen the o,$%en utili "tion&l"te"u! de!&ite "n incre"!e in or2lo"d

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    Princi#les !f Stress +estin)

    Chan)in) the ,!r(l!ad y increasin) the s#eedand3!r )rade !f the tread&ill !r the resistance !f theicycle er)!&eter

    An initial ,!r(l!ad that is l!, in ter&s !f theindivid'al4s antici#ated aer! ic thresh!ld

    Maintainin) the ,!r(l!ad f!r a &in'te !r l!n)er

    +er&inatin) the test at the !nset !f syt!&s !r adefina le a n!r&ality !f the EC8.

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    P'r#!se !f Stress +estin)1el# esta lish dia)n!sis !f !vert !r latent heart disease

    Eval'ates cardi!vasc'lar f'ncti!nal ca#acity

    "eter&ines the #hysical ,!r( ca#acity in (il!)ra&5&eters #er &in'te $()5&3&in% !rthe f'ncti!nal ca#acity in ME+s

    Eval'ate res#!nses t! e*ercise trainin) and3!r #reventive #r!)ra&s

    Assist in the selecti!n and eval'ati!n !f a##r!#riate &!des !f treat&ent f!r heartdisease

    Increase individ'al &!tivati!n f!r adherin) !r enterin) t! e*ercise #r!)ra&sIs 'sed clinically t! eval'ate ,ith #atients ,ith chest sensati!n !r ,ith a hist!ry !fchest #ain

    It can als! eval'ate the f'ncti!nal ca#acity !f #atients ,ith chr!nic disease

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    -hat are the Pre#arati!n f!r Stress+estin)2

    1ave had a #hysical e*a&inati!nBe &!nit!r y EC8 and cl!sely ! served atrest0 d'rin) e*ercise and d'rin) rec!verySi)n a c!nsent f!r&

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    -hen d! ,e need t! +er&inate stress+estin)2

    Pr!)ressive An)ina A si)nificant dr!# in syst!lic #ress're in res#!nse t! anincrease ,!r(l!ad

    Li)htheadedness0 c!nf'si!n0 #all!r0 cyan!sis0 na'sea !r#eri#heral circ'lat!ry ins'fficiency

    A n!r&al EC8 res#!nse incl'din) S+ se)&ent de#ressi!n)reater than G&&

    E*cessive rise in l!!d #ress're

    S' ect ,ishes t! st!#

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    "eter&inants !f an E*ercise Pr!)ra&

    Effective end'rance trainin) f!r any #!#'lati!n &'st #r!d'ce ac!nditi!nin) !r cardi!vasc'lar res#!nse.

    Elicitati!n !f the cardi!vasc'lar res#!nse is de#endent !n severalcritical ele&ents !f e*ercise.

    A rec!&&endati!n y ASCAM and !thers is t! 'se the FI++ &eth!d

    FI

    +

    +.

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    Intensity

    "eter&inati!n !f the a##r!#riate intensity!f e*ercise is ased !n the $S=%

    A.

    B.S#ecificity 0 Overl!ad

    l d l

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    Overl!ad Princi#leOverl!ad is a stress !n an !r)anis& that is )reater than re)'larly enc!'nteredd'rin) everyday life.

    +! ir!ve cardi!vasc'lar and &'sc'lar end'rance0 an !verl!ad &'st e a##lied t!these syste&

    +rainin) sti&'l's thresh!lds are varia le0 de#endin) !n the /

    A.individ'al4s level !f health0

    B. level !f activity0

    C. a)e0 and

    ". )ender

    +he l!,er the initial level !f fitness0 the lesser the intensity !f the e*ercise needed t!elicit a chan)e.2

    Or hi)her3lesser2 L!,er3)reater2 1i)her 3 )reater2

    18

    h! i h id l did f!

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    -h! is the ideal candidate f!r&a*i&'& and e*ercise heart rate

    #rescri#ti!n 2 A.B.

    C.

    ".

    h! i h id l did f!

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    -h! is the ideal candidate f!r&a*i&'& and e*ercise heart rate

    #rescri#ti!n 2individ'als at ris( f!r c!r!nary artery disease0 individ'als ,ith c!r!nary heart disease0 and

    individ'als ,h! are elderly and

    ideally identified ased !n their #erf!r&ance !n stresstest.

    S# ifi i P i i#l

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    S#ecificity Princi#leS#ecificity #rinci#le is related t! the s#ecificity !f trainin) t! ada#tati!n in&eta !lic and #hysi!l!)ical syste&s de#endin) !n the de&and i!sed.

    +here is n! !verla# ,hen trainin) f!r stren)th5#!,er activities and trainin)f!r end'rance activities.

    M'scle stren)th ,ith!'t a si)nificant increase in t!tal !*y)en c!ns'ti!n

    Aer! ic !r end'rance trainin) ,ith!'t trainin) the anaer! ic syste&s

    Anaer! ic trainin) ,ith!'t trainin) the aer! ic syste&

    Aer! ic trainin) s#ecific t! the ty#e !f activity. -hen trainin) f!r s,i&&in)events0 the individ'al &ay n!t de&!nstrate an ir!ve&ent in VO6&a*,hen r'nnin)

    +i& $"' ti! %

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    +i&e $"'rati!n%+he !#ti&al d'rati!n !f e*ercise f!r cardi!vasc'lar c!nditi!nin) is de#endent !n the/

    A. t!tal ,!r( #erf!r&ed0

    B. e*ercise fre 'ency andC. intensity and fitness level.

    +he )reater the intensity !f the e*ercise0 the sh!rter the d'rati!n needed f!rada#tati!nK and the l!,er the intensity !f the e*ercise0 the l!n)er the d'rati!nneeded.

    A 6=5@= &in'te sessi!n is )enerally !#ti&al at => t! &a*i&'& heart rate.

    -hen hi)h intensity e*ercise0 =5 ? &in'te e*ercise #eri!ds are ade 'ateK three ?&in'te daily #eri!ds are effective in s!&e dec!nditi!ned #atients

    + # $M!d %

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    +y#e $M!de%+he i!rtant fact!r that the e*ercise inv!lves lar)e &'scle )r!'#s that areactivated in a rhyth&ic0 aer! ic nat're.

    F!r s#ecific aer! ic activity s'ch as cyclin) and r'nnin)0 the !verl!ad &'st'se the &'scles re 'ired y the activity and stress the cardi!res#irat!rysyste& $s#ecific #rinci#le%.

    If end'rance !f '##er e*tre&ities is needed t! #erf!r& activities !n the ! 0the '##er e*tre&ity &'scle &'st e tar)eted in e*ercise #r!)ra&.

    +rainin) enefits are !#ti&i7ed ,hen #r!)ra&s are #lanned t! &eet theindivid'als needs and ca#acities !f the #artici#ants.

    +he s(ill !f the individ'al0 variati!ns a&!n) individ'als in c!etitivenessand a))ressiveness and variati!n in envir!n&ental c!nditi!n &'st ec!nsidered.

    Re ersi ilit Princi#le

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    Reversi ility Princi#le

    :::::: !cc'rs ra#idly ,hen the #ers!n ::::::::::::: "etrainin)0 st!#s trainin)

    After !nly ::::,ee(s !f detrainin)0 si)nificant

    red'cti!ns in ,!r( ca#acity can e &eas'red0and ir!ve&ents can e l!st ,ithin several&!nths.6 ,ee(s

    Clinical +i#

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    Clinical +i#

    Children a)es t!

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    E*ercise #r!)ra&

    Caref'lly #lanned e*ercise can res'lt in hi)her level!f fitness f!r healthy individ'al0 sl!, the decrease inf'ncti!nal ca#acity !f the elderly0 and rec!nditi!nth!se ,h! have een ill !r have chr!nic disease.

    +here are three c!!nents !f the e*ercise#r!)ra&/ $ % ,ar& '# #eri!d $6% the aer! ic e*ercise#eri!dK and $@% a c!!l d!,n #eri!d

    ar&5 '# Peri!d

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    -ar&5 # Peri!d

    +he #'r#!se !f the ,ar& '# #eri!d is t!enhance the n'&er!'s ad 'st&ent that4sthat &'st ta(e #lace ef!re #hysicalactivity.

    Physi!l!)ical Res#!nse

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    Physi!l!)ical Res#!nse An increase in &'scle teerat're. +he hi)her teerat're increases theefficiency !f &'sc'lar c!ntracti!n y red'cin) &'scle visc!sity and increasin)the rate !f nerve c!nd'cti!n.

    An increase need !f !*y)en t! &eet the ener)y de&and f!r the &'scle.E*tracti!n fr!& he&!)l! in is )reater at hi)her &'scle teerat'res0facilitatin) the !*idative #r!cess at ,!r(.

    "ilati!n !f the #revi!'sly c!nstricted ca#illaries ,ith increase in the circ'lati!n0a')&entin) !*y)en delivery t! the active &'scles and &ini&i7in) the !*y)endeficit and the f!r&ati!n !f lactic acid.

    Ada#tati!n in the sensitivity !f the ne'ral res#irat!ry center t! the vari!'se*ercise sti&'lants.

    An increase in ven!'s ret'rn. +his !cc'rs as l!!d fl!, is shifted centrallyfr!& the #eri#hery.

    P'r#!ses

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    P r#!ses

    In additi!n t! the #hysi!l!)ical res#!nse0 the,ar& '# als! #revents !r decreases thes'sce#ti ility !f the &'sc'l!s(eletal syste& t!in 'ry and the !cc'rrence !f ische&icelectr!cardi!)ra#hic $EC8% chan)e andarrhyth&ias.

    8'idelines

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    8 idelines

    +he ,ar&5'# sh!'ld e )rad'al and s'fficient t!increase &'scle and c!re teerat're ,ith!'tca'sin) fati)'e !r red'cin) ener)y st!res.

    A = &in'te #eri!d !f t!tal !dy &!ve&ente*ercises0 s'ch as calisthenics and ,al(in) sl!,ly

    Attainin) a heart rate that is ,ithin 6= eats3&in !fthe tar)et heart rate.

    Aer! ic E*ercise Peri!d

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    Aer! ic E ercise Peri!d Attenti!n t! the deter&inants0 fre 'ency intensity0 ti&e and ty#e!f #r!)ra& as #revi!'sly disc'ssed has an iact !n the

    effectiveness !f the #r!)ra&.+he &ain c!nsiderati!n ,hen ch!!sin) a s#ecific &eth!d !ftrainin) i! the inten!it$ e %re"t enou%h to !timul"te "nincre"!e in !tro2e 'olume "nd c"rdi"c out&ut "nd toenh"nce loc"l circul"tion "nd "ero ic met" oli!m in the"&&ro&ri"te mu!cle %rou&!.

    +here are f!'r &eth!d that challen)e the aer! ic syste&Kc!ntin'!'s0 interval $,!r( relief%0 circ'it and circ'it interval.

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    Male B!dy +y#e

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    C!ntin'!'s +rainin)

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    C!ntin ! s +rainin)Once the steady sta)e is achieved0 the &'scle ! tainsener)y y &eans !f aer! ic &eta !lis&. Stress is

    #laced #ri&arily !n the sl!,5t,itch fi ers.+he activity can e #r!l!n)ed fr!& 6=5 = &in'tes,ith!'t e*ha'stin) the !*y)en trans#!rt syste&.

    +he ,!r( rate is increased #r!)ressively as trainin)ir!ve&ents are achieved. Overl!ad can eacc!lished y increasin) the e*ercise d'rati!n.

    Interval +rainin)

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    Interval rainin)+he ,!r( !r e*ercise is f!ll!,ed y a #r!#erly#rescri ed relief !r rest interval

    Interval trainin) is #erceived t! e less de&andin) thanc!ntin'!'s trainin).

    +he relief interval is either a rest relief $#assiverec!very% !r a ,!r( relief $active rec!very%0 and itsd'rati!n ran)es fr!& a fe, sec!nds t! several &in'tes.

    A #!rti!n !f the &'sc'lar st!res !f A+P and !*y)enass!ciated ,ith &y!)l! in that ,ere de#leted d'rin) the,!r( #eri!d are re#lenished y the aer! ic syste&K anincrease in VO6&a* !cc'rs.

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    Circ'it +rainin)

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    Circ it rainin)

    Circ'it trainin) el!ys a series !f activities. At theend !f the last activity0 the individ'al starts fr!& thee)innin) and a)ain &!ves thr!')h the series.Several e*ercise &!des can e 'sed inv!lvin) lar)eand s&all &'scle )r!'#s and a &i* !f static anddyna&ic eff!rt.

    9se !f circ'it trainin) can ir!ve stren)th andend'rance y stressin) !th the aer! ic andanaer! ic syste&.

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    Circ'it5 Interval +rainin)

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    )C!& inin) circ'it and interval trainin) iseffective eca'se !f the interacti!n !f theaer! ic and anaer! ic #r!d'cti!n !f A+P.In additi!n t! the aer! ic and anaer! ic syste&ein) stressed y the vari!'s activities0 ,ith therelief interval0 there is a delay f!r the need !f

    )lyc!lysis and the #r!d'cti!n !f lactic acid #ri!rt! the availa ility !f !*y)en s'##lyin) the A+P.

    C!!l5"!,n Peri!d

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    ,

    Is si&ilar t! the ,ar&5'# #eri!d in that it sh!'ld last ?t! = &in'tes and c!nsist !f t!tal !dy &!ve&entsand static stretchin).

    Prevents #!!lin) !f l!!d fr!& the e*tre&ities yc!ntin'in) t! 'se the &'scles t! &aintain ven!'s

    ret'rnPrevents faintin) y increasin) the ret'rn !f l!!d t!the heart and rain as cardiac !'t#'t and ven!'sret'rn decreases.

    P1;SIOLO8ICAL C1AN8ES +1A+

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    ;OCC9R -I+1 +RAININ8

    CAR"IOVASC9LAR C1AN8ES

    RESPIRA+OR; C1AN8ES

    ME+ABOLIC C1AN8ES

    O+1ER S;S+EM C1AN8ES

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    Cardi!vasc'lar

    Chan)es

    Chan)es at Rest

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    ) A red'cti!n in the restin) #'lse rate !cc'rs in s!&e individ'als

    eca'se !f a decrease in syathetic drive0 ,ith decreasin)levels in n!re#ine#hrine and e#ine#hrineK

    A decrease in in l!!d #ress're !cc'rs in s!&e individ'als ,itha decrease in #eri#heral vasc'lar resistance.

    An increase in l!!d v!l'&e and he&!)l! in.

    Chan)es "'rin) E*ercise

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    A red'cti!n in #'lse rate !cc'rs in s!&e individ'als eca'se!f the &echanis& listed earlier in this secti!n

    Increase str!(e v!l'&e

    Increase cardiac !'t#'t

    Increase e*tracti!n !f !*y)en y ,!r(in) &'scle

    "ecrease l!!d fl!, #er (il!)ra& !f the ,!r(in) &'scle"ecreased &y!cardial !*y)en c!ns'ti!n $ #'lse rate ti&essyst!lic l!!d #ress're%

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    Res#irat!ry Chan)es

    Chan)es at Rest

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    Lar)er l'n) v!l'&es devel!# eca'se !fir!ved #'l&!nary f'ncti!n0 ,ith n! chan)ein vital v!l'&e.Lar)er diff'si!n ca#acities devel!# eca'se !f

    lar)e l'n) v!l'&es and )reater alve!lar5ca#illary s'rface area.

    Chan)es "'rin) E*ercise

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    Lar)er diff'si!n ca#acities !cc'rs f!r the sa&ereas!ns.

    A s&aller a&!'nt !f air is ventilated at the sa&e!*y)en c!ns'ti!n rateK &a*i&'& diff'si!nca#acity is 'nchan)ed.

    +he &a*i&al &in'te ventilati!n is increased.Ventilat!ry efficiency is increased.

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    Chan)es at Rest

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    M'scle hy#ertr!#hy and increased ca#illary density!cc'rs.

    +he n'& er and si7e !f &it!ch!ndria are increased0increasin) the ca#acity t! )enerate A+P aer! ically.

    +he &'scle &y!)l! in c!ncentrati!n increases0increasin) the rate !f !*y)en trans#!rt and #!ssi lethe rate !f !*y)en diff'si!n t! &it!ch!ndria

    Chan)es "'rin) E*ercise

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    A decreased rate !f de#leti!n !f &'scle )lyc!)en at s'&a*i&'& ,!r( levels &ay !cc'r. An!ther ter& f!r this is

    )lyc!)en s#arrin). It is d'e t! an increase in ca#acity t!&! ili7e and !*idi7e fat and increase fat &! ili7in) and fat&eta !li7in) en7y&es

    L!,er l!!d lactate levels at s' &a*i&al ,!r( &ay !cc'r.

    Less reliance !n #h!s#h!creatine $PC% and A+P in s(eletal&'scle and an increase ca#a ility t! !*idi7e car !hydrate &ayres'lt eca'se !f an increased !*idative #!tential !f the&it!ch!ndria and an increase )lyc!)en st!ra)e in the &'scle.

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    A##licati!n !f Princi#les !f an Aer! ic C!nditi!nin)Pr!)ra& f!r the Patient ,ith C!r!nary "isease

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    !) ! , ! ! y

    "'rin) the #ast 6= t! 6? years0 there have een &a !rchan)es in the &edical &ana)e&ent !f these #atients

    +he chan)es have incl'ded sh!rtened h!s#ital stays0&!re a))ressive #r!)ressi!n !f activity f!r the #atient

    f!ll!,in) MI !r cardiac s'r)ery0 and earlier initiati!n !fan e*ercise #r!)ra& ased !n l!, level stress test #ri!rt! dischar)e fr!& the h!s#ital.

    In#atient Phase $Phase %

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    +he in#atient #hase !f the #r!)ra&!cc'rs in h!s#ital f!ll!,in) sta ili7ati!n!f the #atients cardi!vasc'lar stat's afterMI !r c!r!nary y#ass s'r)ery0 and

    )enerally last @ t! ? days.

    P'r#!se

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    Inta(e ris( fact!r ed'cati!n $ s'ch eatin) ha its0 s&!(in)%

    Initiate self care activities and #r!)ress fr!& sittin) t! standin)t! &ini&i7e dec!nditi!nin) $ t! @ days #!stevent%.

    Pr!vide an !rth!static challen)e t! the cardi!vasc'lar syste& $@t! ? days #!stevent%. +his is 's'ally acc!lished ys'#ervised a& 'lati!n.

    Pre#are #atients and fa&ily f!r c!ntin'ed reha ilitati!n and f!rlife at h!&e after cardiac event.

    O't#atient #hase $Phase 6%

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    +he !'t#atient #hase !f the #r!)ra& is initiated either '#!ndischar)e fr!& the h!s#ital !r0 de#endin) !n the severity !f thedia)n!sis0 t! ,ee(s later.

    +his delay all!,s the &y!cardi'& t! heal as ,ell as ti&e t!&!nit!r the #atient4s res#!nse t! ne, &edical re)i&en.

    Partici#ants are &!nit!red via tele&etry t! deter&ine heart rateand rhyth& res#!nsesK l!!d #ress're is rec!rded at restd'rin) e*erciseK and ventilati!n res#!nses are n!ted.+hese #r!)ra&s 's'ally last t! ,ee(s

    P'r#!se

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    Increase the #ers!n4s e*ercise ca#acity in a safe #r!)ressive &anner0 s!ada#tive cardi!vasc'lar and &'sc'lar chan)es !cc'r.

    +he early #art !f the #r!)ra& is referred t! s!&e as Hl!,5level e*ercisetrainin).

    Enhanced cardiac f'ncti!n and red'ce cardiac c!st !f ,!r(. Pr!d'cefav!ra le &eta !lic chan)es.

    "eter&ine the effect !f &edicati!ns !n increasin) levels !f activity

    Relieve an*iety and de#ressi!n

    Pr!)ress the #atient t! an inde#endent e*ercise #r!)ra&.

    8'idelines

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    A syt!&5 li&ited e*ercise stress test is #erf!r&ed t! 6,ee(s after h!s#ital dischar)e $!r as early as 6 t! G ,ee(sf!ll!,in) dischar)e%.

    +he e*ercise #r!)ra& is #red!&inantly aer! ic

    Fre 'ency5 #artici#ants !ften attend sessi!ns !ffered threeti&es #er ,ee(.

    Intensity5 +he initial level !f activity !r trainin) intensity &aye as l!, as G=> t! => !f the &a*i&'& heart rate !r G=>t! !f the f'ncti!nal ca#acity defined y ME+s.

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    +i&e5 +he d'rati!n !f the e*ercise sessi!n &ay e li&ited t! =

    t! ? &in'tes at the start #r!)ressin) t! @= t! = &in'tes as the#atients stat's ir!ves. Each sessi!n 's'ally incl'des 5 =&in'te ,ar& '# and c!!l d!,n #eri!ds.

    +y#e5 +he &eth!d !f e*ercise is 's'ally c!ntin'!'s0 'sin) lar)e&'scle )r!'#s0 s'ch as stati!nary i(in) !r ,al(in).

    Meth!d5 Circ'it5interval e*ercise is c!&&!n &eth!d 'sed ,itthe #atient d'rin) #hase 6. +he #atient can e*ercise !n each&!dality at defined ,!r(l!ad0 c!ared ,ith e*ercisin)c!ntin'!'sly !n a icycle !r tread&ill.

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    As a res'lt the #atient can/

    Perf!r& &!re #hysical ,!r(

    E*ercise at hi)her intensity5 fitness &ay ir!ve ,ithin a sh!rter #eri!d !f ti&e

    Maintain lactic acid and !*y)en deficit at &ini&'& levels

    E*ercise at a l!,er rate !f #erceived e*erti!n

    -ei)ht +rainin)5 resistive e*ercises sh!'ld n!t #r!d'ce ische&ic

    syt!&s ass!ciated ,ith an increase in heart rate and syst!lic l!!d#ress're.

    Pr!)ressi!n5 Pr!)ressi!n !f the ,!r(l!ad !cc'rs ,hen there have eenthree c!nsec'tive sessi!ns $every5!ther5day sessi!ns% d'rin) ,hich the#ea( heart rate is el!, the tar)et heart rate.

    O't#atient Pr!)ra& $Phase @%

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    1eart rate and rhyth& are n! l!n)er&!nit!red via tele&etry.

    8'idelines

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    Recreati!nal Activities5 activities t! &aintain levels)ained d'rin) #hase 6 &ay incl'de

    S,i&&in)5 ,hich inc!r#!rate !th ar&s and le)s.1!,ever0 there is a decreased a,areness !fische&ic syt!&s ,hile s,i&&in)0 es#ecially

    ,hen the s(ill level is #!!r.O'td!!r hi(in)5 ,hich is e*cellent if !n level terrain

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    S#ecial C!nsiderati!n

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    Ar& e*ercise elicit different res#!nses than le) e*ercises.

    Mechanical efficiency ased !n the rati! et,een !'t#'t !f

    e*ternal ,!r( and cal!ric e*#endit're is l!,er than ,ith le)e*ercises.

    O*y)en '#ta(e is at a )iven e*ternal ,!r(l!ad is si)nificantlyhi)her f!r ar& e*ercises than f!r le) e*ercises.

    My!cardial efficiency is l!,er ,ith le) e*ercise than ,ith ar&

    e*ercise.My!cardial !*y)en c!ns'ti!n $heart rate * syst!lic l!!d#ress're% is hi)her ,ith ar& e*ercise than ,ith le) e*ercise.

    Ada#tive Chan)es

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    Increased &y!cardial aer! ic ,!r( ca#acity

    Increased &a*i&'& aer! ic !r f'ncti!n ca#acity y #red!&inantly ,idenin)the a5V!6 difference

    Increased str!(e v!l'&e f!ll!,in) hi)h intensity trainin) 5 6 &!nths int! thetrainin) #r!)ra&.

    "ecreased &y!cardial de&and f!r !*y)en

    Increased &y!cardial s'##ly y the decreased heart rate and #r!l!n)ati!n !fdiast!le.

    Increased t!lerance t! a )iven #hysical ,!r(l!ad ef!re an)ina !cc'rsSi)nificantly l!,er heart rate at each s' &a*i&'& ,!r(l!ad and0 theref!re0 a)reater heart rate reserve.

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    A##licati!n !f Aer! ic +rainin) f!r the "ec!nditi!nedIndivid'al and the Patient ,ith Chr!nic Illness

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    "ec!nditi!ned individ'als 0 incl'din)th!se ,ith chr!nic illness and the elderly0&ay have &a !r li&itati!n in #'l&!naryand cardi!vasc'lar reserves that

    severely c'rtail their daily activities.

    "ec!nditi!nin)+here is decrease ,!r( ca#acity0 ,hich is a res'lt !f decreased &a*i&'& !*y)en'#ta(e and decreased a ility t! 'se !*y)en and #erf!r& ,!r(

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    F!r s!&e individ'als0 this res'lts in tachycardia al!n) ,ith !rth!static hy#ertensi!n0di77iness and e#is!des !f sync!#e ,hen initially attetin) t! stand.

    +here is a decrease in #las&a and l!!d cells0 ,hich increase the li(elih!!d !f life5threatenin) e& !thr!& !lic e#is!des and #r!l!n)ati!n !f the c!nvalescent #eri!d.

    +here is a decrease in !dy &ass0 ,hich res'lt in decrease &'scle si7e anddecreased &'scle stren)th and a ility t! #erf!r& activities re 'irin) lar)e &'scle)r!'#s.

    +here is increased e*creti!n !f 'rinary calci'&0 ,hich res'lts fr!& a decrease in,ei)ht earin) sti&'l's critical in &aintainin) !ne inte)rity0 in !ne l!ss !r!ste!#!r!sis0 and in an increased li(elih!!d !f fract're '#!n fallin) eca'se !f!ste!#!r!sis.