shoes & shoegear bryan levay monday, may 13, 2013
TRANSCRIPT
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Shoes & Shoegear
Bryan LevayMonday, May 13, 2013
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Overview
• 7 shoe styles• Shoe anatomy• Sizing• Shoe life• Evaluation• Minimalist • Diabetic shoe
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The 7 basic styles
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#1 Sandal
• Oldest form• Basic open toe design• More robust for soldiers • New styles & variations• Poor support often
leads to discomforthttp://www.google.com/url?sa=i&rct=j&q=war+sandals&source=images&cd=&docid=kwryg94no_MdXM&tbnid=c6Ou9hHtfzWyjM:&ved=&url=http%3A%2F%2Fwww.kshs.org%2Fp%2Fcool-things-japanese-footwear%2F10365&ei=FdCPUeHGFIqiigek3YHAAw&bvm=bv.46340616,d.aGc&psig=AFQjCNFtYeStNqcvAnCpbOxb-xz8r8zvPA&ust=1368465813575772
http://www.google.com/imgres?q=sexy+sandals&um=1&safe=active&client=safari&sa=N&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=ikg3ehXBR67uXM:&imgrefurl=http://www.ebay.com/itm/Elegant-Rhinestone-Heels-Sexy-Sandal-Comfy-Medium-Heel-/280382960838&docid=iQ3SOwXYivjVFM&imgurl=http://i194.photobucket.com/albums/z142/HOO121/Pics%252520VIII/P1010116_01.jpg&w=1024&h=768&ei=ndCPUdH4Oc2aiAf26oGIAQ&zoom=1&ved=1t:3588,r:1,s:0,i:86&iact=rc&dur=557&page=1&tbnh=181&tbnw=250&start=0&ndsp=18&tx=130&ty=52
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#2 Moccasin
• “Foot covering”• Popularized Native
American, but has Ancient Mongol roots
• Simple closed design
http://www.google.com/imgres?q=moccasin&um=1&safe=active&client=safari&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=rJI48cJzaXU-ZM:&imgrefurl=http://dowestboots.com/leather_laced_minnetonka_moccasi.htm&docid=_j1MNs05UIUutM&imgurl=http://dowestboots.com/brown_minnetonka_moccasin_7.jpg&w=640&h=480&ei=89GPUa2tAtCaiAf6uoHgDw&zoom=1&ved=1t:3588,r:50,s:0,i:238&iact=rc&dur=397&page=3&tbnh=179&tbnw=239&start=34&ndsp=20&tx=119&ty=72
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#3 Clog
• Peasant shoes• Scandinavian countries• Wooden design• Resurgence in
popularity
http://www.google.com/url?sa=i&rct=j&q=clog+diagram&source=images&cd=&docid=sDtsm5nNf907sM&tbnid=b9cxa09njx6fxM:&ved=&url=http%3A%2F%2Fwww.shopping.com%2FDansko-Dansko-Professional-Cabrio-Clog-Women-s%2Fprices&ei=ZdSPUe70DaiViAfEsYBg&bvm=bv.46340616,d.aGc&psig=AFQjCNEDbHvZdhr5NQYEOEyGNhLxhBbfLw&ust=1368466917569052
http://www.google.com/imgres?q=crocs+clogs&um=1&safe=active&client=safari&sa=N&hl=en&rls=en&biw=1130&bih=713&tbm=isch&tbnid=QUAlBeDf0OdVfM:&imgrefurl=http://coachshoessummer2011.blogspot.com/2012/05/dansko-work-clog-professional-crocs.html&docid=S2YrFDXuN0Fj3M&imgurl=http://2.bp.blogspot.com/-O5ifP_2IIe4/T78Yntry3PI/AAAAAAAAYBI/qK1kyJkISdU/s1600/DANSKO-CROC-CLOGS-13.jpg&w=600&h=440&ei=h9aPUZ7VBoe4iQf7hIGoAw&zoom=1&ved=1t:3588,r:15,s:0,i:128&iact=rc&dur=284&page=2&tbnh=181&tbnw=247&start=13&ndsp=20&tx=54&ty=90
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#4 Pump
• Prominent in late 16th century United Kingdom
• Thin constructed that acted as a “slip-on”
• Heel lift added • Many variations
http://www.google.com/imgres?q=open+toe+pump&start=303&um=1&safe=active&client=safari&hl=en&rls=en&biw=1130&bih=713&tbm=isch&tbnid=COlKH2tQnqm2DM:&imgrefurl=http://www.salamandershoes.com/ARA/889,5,6,ARA-St-Tropez-blue-nubuck-opentoe-pump.html&docid=I9mJ6r65m5OOGM&imgurl=http://salamandershoes.com/images/P/IMG_2267-lg.jpg&w=500&h=375&ei=8dqPUeX5MPCPiAeVkoCABQ&zoom=1&ved=1t:3588,r:21,s:300,i:67&iact=rc&dur=261&page=14&tbnh=175&tbnw=223&ndsp=24&tx=84&ty=68
http://www.google.com/url?sa=i&rct=j&q=ballet+en+pointe&source=images&cd=&docid=1vqbBnrBHFMqbM&tbnid=K3WtgvAmBlJxgM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.ebay.com%2Fitm%2FNew-GRISHKO-Maya-Ballet-Pointe-Shoes-Size-7-XXXX-M-%2F160969302902&ei=KNyPUavLKKboiAeYroGYAQ&bvm=bv.46340616,d.aGc&psig=AFQjCNGfd5Tw_IUrcYJwsNzj53yUNawdiw&ust=1368468860347355
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#5 Mule
• Hybrid of a clog & pump• Closed toe, backless
shoe• The original slipper• May have heel
http://www.google.com/url?sa=i&rct=j&q=mule+shoe&source=images&cd=&docid=yZIrTm8S5tlqFM&tbnid=XBbqodRkHMh_GM:&ved=0CAUQjRw&url=http%3A%2F%2Flovetosparkleandshine.blogspot.com%2F2012%2F04%2Fdefinition-of-beauty-shoe-styles.html&ei=6N6PUdysDYWtiAeipoGYBQ&bvm=bv.46340616,d.aGc&psig=AFQjCNEJuJLWyzMduSUm4rCdGM2oVvX3JA&ust=1368469601893559
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#6 Oxford
• First lace-up style shoes• Mid-17th century• Has been the mainstay
of shoegear since• A “monk” is a variation
with a buckle
http://www.google.com/imgres?q=oxford+shoes&start=149&um=1&safe=active&client=safari&sa=N&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=mNpXY8vISqZP1M:&imgrefurl=http://www.kmart.com/shc/s/t_10151_10104%3FtName%3Dlace-up-oxford-shoes.html&docid=hlPqHO-lExSR_M&imgurl=http://c.shld.net/rpx/i/s/i/spin/image/spin_prod_640857801&w=1900&h=1900&ei=99-PUZS_Ls3PiAfl5oDYCQ&zoom=1&ved=1t:3588,r:71,s:100,i:217&iact=rc&dur=1271&page=8&tbnh=191&tbnw=190&ndsp=24&tx=84&ty=61
http://www.google.com/imgres?q=monk+shoes&um=1&safe=active&client=safari&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=74MHj8ldIQwBXM:&imgrefurl=http://nm2u.wordpress.com/2013/01/06/official-fashion-a-z-dos-and-donts-for-2013-gents/&docid=DK7_sDGRZHin9M&imgurl=http://nm2u.files.wordpress.com/2013/01/harris-tan-double-monk-shoe-brown-product-1-230038-566698469_full.jpg&w=1020&h=732&ei=a-GPUdCfNejyiAeplICgBw&zoom=1&ved=1t:3588,r:6,s:0,i:98&iact=rc&dur=568&page=1&tbnh=182&tbnw=254&start=0&ndsp=15&tx=58&ty=51
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#7 Boot
• Closed-toe • Extends above ankle• Lace-up or slip-on
http://www.google.com/imgres?q=boot&um=1&safe=active&client=safari&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=GYJqUG2eDEoTBM:&imgrefurl=http://rfclipart.com/boot-outline-1431-vector-clipart.html&docid=pUQvNSSDHBSz5M&imgurl=http://img.rfclipart.com/image/big/94-7c-14/boot-outline-Download-Royalty-free-Vector-File-EPS-2734.jpg%253Fv3&w=1200&h=1200&ei=A-KPUc2dF-aSiQfDmoCwDA&zoom=1&ved=1t:3588,r:48,s:0,i:232&iact=rc&dur=385&page=3&tbnh=183&tbnw=203&start=37&ndsp=20&tx=79&ty=115
http://www.google.com/imgres?q=boot&um=1&safe=active&client=safari&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=wSILxymByYQr4M:&imgrefurl=http://www.target.com/p/women-s-mossimo-supply-co-kaci-western-boot-assorted-colors/-/A-13971671&docid=LjIj8-Xv-nMTXM&imgurl=http://img1.targetimg1.com/wcsstore/TargetSAS//img/p/13/97/13971671.jpg&w=410&h=410&ei=A-KPUc2dF-aSiQfDmoCwDA&zoom=1&ved=1t:3588,r:39,s:0,i:205&iact=rc&dur=319&page=3&tbnh=185&tbnw=185&start=37&ndsp=20&tx=37&ty=108
http://www.google.com/imgres?q=boot&start=290&um=1&safe=active&client=safari&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=pX5ObHsweeroyM:&imgrefurl=http://buildaboot.com/&docid=ENXxN23p2n9XdM&imgurl=http://buildaboot.com/sites/default/files/temp/288860082.png%253F1362002519&w=500&h=500&ei=beKPUavdOKm5iQfUloGoBg&zoom=1&ved=1t:3588,r:95,s:200,i:289&iact=rc&dur=334&page=15&tbnh=184&tbnw=225&ndsp=20&tx=139&ty=119
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SHOE ANATOMY
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Upper
Lower (sole)
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Uppers
vamp
tongue
padded collar
eyelets
counter
quarter
top line
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Vamp
• Covers the top of the toe box• May have a toe cap• Different composition based on function
http://www.google.com/imgres?q=running+shoes&start=140&um=1&safe=active&client=safari&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=xY5ypTq10o5eEM:&imgrefurl=http://www.nikefree8.com/nike-free-5-0-v3/mens-nike-free-5-0-v3/nike-free-5-0-v3-mens-running-shoes-gray-green-1&docid=Sr-5m57LYbgNVM&imgurl=http://www.nikefree8.com/image/data/Nike%252520Free%2525205%2525200%252520V3/Mens%252520Nike%252520Free%2525205%2525200%252520V3/Nike%252520Free%2525205%2525200%252520V3%252520Mens%252520Running%252520Shoes%252520Gray%252520Green1-1.jpg&w=500&h=500&ei=0PqPUfb6O-2SiAeq-oHYAQ&zoom=1&ved=1t:3588,r:52,s:100,i:160&iact=rc&dur=616&page=9&tbnh=181&tbnw=225&ndsp=16&tx=102&ty=109
http://www.google.com/imgres?q=dress+shoes&start=454&um=1&safe=active&client=safari&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=_LyQRmnbrg6qLM:&imgrefurl=http://buy-work-shoes.web-mall.biz/product/1/257/Shoes-For-Crews-Statesman-Mens-Brown-No-Slip-Dress-Shoes.html&docid=q3iBs0ABSKUjbM&imgurl=http://buy-work-shoes.web-mall.biz/img/1/249.jpg&w=350&h=350&ei=hvuPUd7AB6qOiAfJ94DIDg&zoom=1&ved=1t:3588,r:60,s:400,i:184&iact=rc&dur=671&page=24&tbnh=188&tbnw=197&ndsp=20&tx=89&ty=61
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Quarter
• Forms along the sides of the upper• Largest part of the upper
quarter
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Heel Counter
• Maintains the shape of the shoe• Controls and stabilizes the heel
http://www.google.com/url?sa=i&rct=j&q=heel+counter&source=images&cd=&docid=7KV_9i2nFxCo5M&tbnid=dDiAmzUhOYb5BM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.theshoesnobblog.com%2F2012%2F07%2Fbreaking-in-shoes-your-first-30-days.html&ei=QgKQUZ_hHMmUiQeY0oDgAg&bvm=bv.46340616,d.aGc&psig=AFQjCNHwJA4eV3xm1merBpnK7zc_xg9aeA&ust=1368478208968784
http://www.google.com/imgres?q=heel+counter&um=1&safe=active&client=safari&sa=N&rls=en&hl=en&biw=1130&bih=713&tbm=isch&tbnid=foNnxRo5EXUTCM:&imgrefurl=http://themiddlemiles.blogspot.com/2011/04/gear-review-nike-free.html&docid=YNtsktrWulxtwM&imgurl=http://4.bp.blogspot.com/-Sk-ToRr4T_4/TaxsxfEKitI/AAAAAAAAARg/PApPxs4-DoE/s1600/nike%252Bfree%252Bheel%252Bcounter.JPG&w=506&h=367&ei=gACQUcb2G4adiAfOxIHQBg&zoom=1&ved=1t:3588,r:71,s:0,i:305&iact=rc&dur=385&page=5&tbnh=191&tbnw=264&start=71&ndsp=21&tx=184&ty=134
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Tongue
• Prevents debris from entering• Protects against pressure of laces• Ensure it’s not too long to irritate leg
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Padded collar
• Cushion• Achilles notch
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Lower (sole) anatomy
• 3 components to the sole of a shoe– Inner sole– Middle sole– Outer sole
http://www.google.com/url?sa=i&rct=j&q=asics&source=images&cd=&docid=z06xqjP-ZYcpnM&tbnid=mcejDICpLGKXAM:&ved=0CAUQjRw&url=http%3A%2F%2Fhypebeast.com%2F2009%2F11%2Fasics-gtii-tweed-collection%3F_locale%3Den&ei=FyORUfW9DIS0iQf7wYHYDQ&bvm=bv.46340616,d.aGc&psig=AFQjCNEK5VoPanPLsFR_jt22pcfqHwf4KQ&ust=1368552560839283
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Outer sole
• Portion of the sole that makes contact with the ground
• Provides traction, resists wear, and absorbs shock
• Treaded layer glued to midsole• Thinner than the midsole• Typically, either made from:– Blown rubber lighter, but less durable– Carbon rubber heavier, but more durable– Combination
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http://www.google.com/url?sa=i&rct=j&q=bottom+of+skate+shoes&source=images&cd=&docid=vY1BJhH9NkbaEM&tbnid=Fs10TupHExOa1M:&ved=&url=http%3A%2F%2Fwww.tactics.com%2Fdc%2Fmikey-taylor-s-skate-shoes%2Fblack-gum&ei=9gmQUZWTOeaKiQfRnoFw&bvm=bv.46340616,d.aGc&psig=AFQjCNFk_ENrMMn4CiTraGnEsOu5tZW_Cw&ust=1368480631287728
http://www.google.com/url?sa=i&rct=j&q=bottom+of+running+shoes&source=images&cd=&docid=KVE04tR8kYZZSM&tbnid=VkCKw0Rw8xtq6M:&ved=&url=http%3A%2F%2Fwww.volleyballcentral.net%2Fmizuno-wave-nexus-g3-team-men-s-training-shoes.html&ei=EgqQUa2yHe6jiAeAjIHgAQ&bvm=bv.46340616,d.aGc&psig=AFQjCNHb8lfJApSNpdWdIHc1qZsTpEjQHA&ust=1368480658852654
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Middle sole
• Thickest layer• Provides the majority of cushioning and shock
absorption• Modification layer• Typically made from EVA or PU– Ethylene vinyl acetate lighter, better cushioning,
deteriorates quicker– Polyurethane denser, heavier, more durable
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Modification layer
• Mid sole cushioning devices• Medial post• Shank
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Mid sole cushioning device
• Majority comes from EVA• Manufactures also insert their proprietary
cushioning systems (w/n midsole)• Most common cushioning systems use
encapsulated air, gel or other materials
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Medial post
• Within the midsole (firmer) • EVA, thermoplastic
urethane, carbon fiber or other materials
• In stability and motion control shoes
• Not in cushioned or neutral shoes
• Size ,shape, & density determine amount of stability provided
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Shank
• Stiffens the shoe under the arch
• Makes the middle portion of the shoe more resistant to torsion and flexion
• In most running shoes except the lightest and most flexible
• Assists shoe in bending at toes
• Adds weight
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Inner sole
• Not visible on constructed shoe
• Junction attachment of the sole to the upper shoe
• Not an insert
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Sizing
• Use a similar weight sock and orthotics• Leave at least ¼ inch (up to ½ inch) between
longest toe and end of shoe • Heel counter should be snug enough to
prevent heel from sliding• Fit shoe during the end of the day (swelling)• Shoes should never need breaking in• Always try on both shoes
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Last
http://www.google.com/url?sa=i&rct=j&q=shoe+last&source=images&cd=&docid=q5Kd0s2ZGezjNM&tbnid=teUim7327_HEeM:&ved=&url=http%3A%2F%2Fwww.rei.com%2Flearn%2Fexpert-advice%2Frunning-shoes.html&ei=6ROQUf3PDo2diAej3oHIAg&bvm=bv.46340616,d.aGc&psig=AFQjCNGDBlmGh1m44AMHQwlZVPZJxMJsiw&ust=1368483177593564
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Shoe life
• Less dependant on age of shoe• More dependant on amount of usage and
signs of wear• Athletes vs non-athletes• Work vs casual• Differences among body habitus• Presence deformities
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Shoe breakdown
• Occurs most commonly at the outer sole• Has has outer sole worn through to the middle
sole?• Is there a 4mm difference from the other side
of the heel?
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Shoe breakdown
• Lack of middle sole shock absorption• Uneven on flat surfaces • Noticeable creases• General rule of thumb: Replace 300-500 miles
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Shoe breakdown
• Heel counter deviation
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Guidelines for replacement
• Even without use shoes can wear out• Depending on environment • Best to replace athletic shoes that are over a
year old• Can be expensive in short term• Will prevent injuries and keep patients active
in long run
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Picking shoes
• Right shoe for the right foot• Best shoe for the job• Comfort & Function > Appearance• Remove/Avoid if irritating
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Evaluating
• Straight heel• Counter test• Stable sole bottom• Bend at the toes• Torsion test
http://www.google.com/url?sa=i&rct=j&q=heel+counter+test&source=images&cd=&docid=KfcuIwAVZZ5jXM&tbnid=opt2ihPlJqjgXM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.therunnershigh.com%2Farticles%2Fdefrunningasa2.html&ei=uB2QUbODHq-ViQfX5YGIAg&bvm=bv.46340616,d.aGc&psig=AFQjCNHb0cKBVixwjuyMOQr7H3q6ATnLfQ&ust=1368485644751002
http://www.google.com/url?sa=i&rct=j&q=heel+counter+test&source=images&cd=&docid=SROGfnHg03Rs-M&tbnid=VLcW9nn0zKj2HM:&ved=&url=http%3A%2F%2Fwww.footankle.com%2Fshoes.htm&ei=jB2QUfPZGIePiAe3joHoBw&bvm=bv.46340616,d.aGc&psig=AFQjCNHb0cKBVixwjuyMOQr7H3q6ATnLfQ&ust=1368485644751002
Adapted for Arnold Ross, DPM
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Evaluating
• Straight heel• Counter test• Stable sole bottom• Bend at the toes• Torsion test
http://www.google.com/url?sa=i&rct=j&q=shoe+torsion+test&source=images&cd=&docid=xrJFpRKw9lVm8M&tbnid=obo6Um9XO3fOyM:&ved=0CAUQjRw&url=http%3A%2F%2Fkenva.wordpress.com%2F2008%2F04%2F15%2Fthe-shoe-test-by-mark-t-reeves%2F&ei=BR-QUYvyGMjIkQXm9oHYDw&bvm=bv.46340616,d.aGc&psig=AFQjCNFspuHlJZXkeeYz95AhGWoJIKDvbw&ust=1368485940397604
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Shoe recommendations
• APMA• AAPSM
• You don’t need to recommend a manufacturer, but give patients the knowledge to find their own shoes
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Minimalist shoes
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Minimalist shoes
• Became popular after an article in Time in 2007• Predominantly anecdotal • Concept:– Feet were not meant to wear shoes, therefore,
cannot function efficiently with use– Barefoot/minimalist shoes allow strengthening of
the pedal musculature
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Minimalist shoes
• Conflicting research• Difficult to assess• Assumes no deformity
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Diabetic shoes
• AKA extra-depth shoes• AKA therapeutic shoes• Prescribed
http://www.google.com/url?sa=i&rct=j&q=diabetic+shoes&source=images&cd=&docid=uJEbQucQ4S-k7M&tbnid=aC64w_qbQqhp3M:&ved=&url=http%3A%2F%2Fwww.wcbl.com%2Forthotics-2%2Fdiabetec-shoes%2F&ei=4ziQUfmGJqKbigfr84Eo&bvm=bv.46340616,d.aGc&psig=AFQjCNFL-1QBiFX9KRnO7EKvDUiWbwc-mA&ust=1368492643971323
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Diabetic shoes
• Function– Protect residual foot– Maintain position inside the shoe & reduce shear– Contribute to restoring normal gait– Allow for accommodation of orthotic device– Allows for modification e.g. steel shank or
rockerbottom
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Diabetic shoes
• Supplied by orthotist or sale in private office
• Medicare supply new pair & 3 inserts each year
• Exam shoes during patient encounter
http://www.google.com/url?sa=i&rct=j&q=diabetic+shoe+display&source=images&cd=&cad=rja&docid=G3f3-iK-Qg-NPM&tbnid=Y8ltNc5-6F4p3M:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.freemandrug.com%2Fid64.html&ei=cCSRUfiWH82ViAeV3YGgBA&bvm=bv.46340616,d.aGc&psig=AFQjCNF_wkPftLE5ldCZiUBxAVm3rINALg&ust=1368552931325909
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Conclusion
• Today’s shoes are variations of the 7 basic models
• Sole vs upper• Find the correct shoe for the correct foot for
the correct job• Diabetic shoes can help prevent ulcer
formation
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References• Dr. Comfort. (n.d.). Basic shoe anatomy.• Janisse, D. J., & Janisse, E. J. (2006). Pedorthic and orthotic
management of the diabetic foot. Foot Ankle Clinics of North America, 11(4), 717-734. doi: 10.1016/j.fcl.2006.06.005
• Mustafa, I. (2012). Shoes presentation.• Rossi, W. (1985) The seven basic shoe styles. Footwear and the
Podiatrist 75(3), 169-171. • Vonhof, J. (2011). Fixing your feet: Injury prevention and treatments for
athletes (5th ed.). Birmingham, AL: Wilderness press.• Yan, A. F., Sinclair, P. J., Hiller, C., Wegener, C., & Smith, R. M. (2012).
Impact attenuation during weight bearing activities in barefoot vs. shod conditions: A systematic review. Gait & Posture (Advance Online). doi: 10.1016/j.gaitpost.2012.11.017
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QUESTIONS?Thank you!