The general The general doctrine of doctrine of

muscle.muscle.

Naming Skeletal Naming Skeletal MusclesMuscles

LocationLocation ShapeShape SizeSize Direction of FibersDirection of Fibers Number of OriginsNumber of Origins Location of AttachmentsLocation of Attachments ActionAction

Types of FascilclesTypes of Fascilcles

CircularCircular ConvergentConvergent ParallelParallel UnipennateUnipennate BipennateBipennate FusiformFusiform MultipennateMultipennate

Major Skeletal MusclesMajor Skeletal Muscles

Major Skeletal MusclesMajor Skeletal Muscles

Muscles of the Head and Muscles of the Head and NeckNeck

Muscles of the Head and Muscles of the Head and NeckNeck

FrontalisFrontalis OccipitalisOccipitalis Corrugator superciliiCorrugator supercilii Orbicularis oculiOrbicularis oculi Levator labii superiorisLevator labii superioris Depressor labii inferiorisDepressor labii inferioris Depressor anguli orisDepressor anguli oris Orbicularis orisOrbicularis oris

Muscles of the Head and Muscles of the Head and NeckNeck

MentalisMentalis PlatysmaPlatysma Masseter – OIA Masseter – OIA Temporalis – OIA Temporalis – OIA Medial pterygoid – OIA Medial pterygoid – OIA Lateral pterygoid – OIA Lateral pterygoid – OIA

FrontalisFrontalis

Orbicularis OculiOrbicularis Oculi

ZygomaticusZygomaticus

Orbicularis OrisOrbicularis Oris

TrapeziusTrapezius

Occipitalis and Occipitalis and TemporalisTemporalis

Occipitalis Temporalis

Muscles of the TongueMuscles of the Tongue

Buccinator and MasseterBuccinator and Masseter

Buccinator Masseter

Muscles of the NeckMuscles of the Neck

Muscles of the NeckMuscles of the Neck

Origin – Insertion – Action Origin – Insertion – Action Digastric Digastric StylohyoidStylohyoid MylohyoidMylohyoid SternohyoidSternohyoid Sternothyroid Sternothyroid Thyrohyoid Thyrohyoid

Digastric and MylohyoidDigastric and Mylohyoid

Digastric Mylohyoid

SternohyoidSternohyoid

SternothyroidSternothyroid

ThyrohyoidThyrohyoid

Deep Neck MusclesDeep Neck Muscles

Deep Neck MusclesDeep Neck Muscles

Origin – Insertion – Action Origin – Insertion – Action SternocleidomastoidSternocleidomastoid ScalenesScalenes

SternocleidomastoidSternocleidomastoid

ScalenesScalenes

Muscles of the BackMuscles of the Back

Splenius CapitusSplenius Capitus

Splenius CervicusSplenius Cervicus

Muscles of the BackMuscles of the Back

Muscles of the BackMuscles of the Back

Erector spinae – Action Erector spinae – Action IliocostalisIliocostalis LongissimusLongissimus SpinalisSpinalis

Quadratus lumborum – OIA Quadratus lumborum – OIA

Erector SpinaeErector Spinae

Erector Spinae

Iliocostalis

Longissimus

Spinalis

Quadratus LumborumQuadratus Lumborum

Muscles of RespirationMuscles of Respiration

Muscles of RespirationMuscles of Respiration

External intercostals – Action External intercostals – Action Internal intercostals – Action Internal intercostals – Action Diaphragm – OIA Diaphragm – OIA

IntercostalsIntercostals

External Internal

DiaphragmDiaphragm

AbdominalsAbdominals

AbdominalsAbdominals

AbdominalsAbdominals

ActionsActions Rectus AbdominisRectus Abdominis External ObliqueExternal Oblique Internal ObliqueInternal Oblique Transverse abdominisTransverse abdominis Linea alba Linea alba Tendinous intersections Tendinous intersections

Rectus AbdominusRectus Abdominus

External ObliqueExternal Oblique

Internal ObliquesInternal Obliques

Transverse AbdominusTransverse Abdominus

Linea Alba and Tendinosus Linea Alba and Tendinosus Intersections Intersections

Anterior and Posterior Anterior and Posterior Thorax Thorax

Anterior and Posterior Anterior and Posterior ThoraxThorax

Origin – Insertion – ActionOrigin – Insertion – Action Pectoralis minorPectoralis minor Serratus anteriorSerratus anterior TrapeziusTrapezius Levator scapulaeLevator scapulae RhomboidsRhomboids

Pectoralis MinorPectoralis Minor

Serratus AnteriorSerratus Anterior

TrapeziusTrapezius

Levator Scapulae Levator Scapulae

Rhomboid MinorRhomboid Minor

Rhomboid MajorRhomboid Major

Shoulder and Arm Shoulder and Arm MusclesMuscles

Shoulder and Arm Shoulder and Arm MusclesMuscles

Origin – Insertion – Action Origin – Insertion – Action Pectoralis majorPectoralis major Latissimus dorsiLatissimus dorsi DeltoidDeltoid SubscapularisSubscapularis SupraspinatusSupraspinatus InfraspinatusInfraspinatus Teres minorTeres minor Teres majorTeres major

Pectoralis MajorPectoralis Major

Latissimus DorsiLatissimus Dorsi

Anterior

Posterior

DeltoidDeltoid

Anterior

Posterior

Supraspinatus and Supraspinatus and InfraspinatusInfraspinatus

Spine of Scapula Spine of Scapula

Teres MinorTeres Minor

Posterior

Teres MajorTeres Major

Anterior Posterior

Thoracolumbar Fascia Thoracolumbar Fascia

Rotator Cuff Muscles: Rotator Cuff Muscles: SITTSSITTS

InsertionInsertion Action Action SupraspinatusSupraspinatus Gr. tubercle Gr. tubercle

abductionabduction InfraspinatusInfraspinatus Gr. tubercle Gr. tubercle lat. lat.

rotationrotation Teres minor Gr. tubercle lat. rotationTeres minor Gr. tubercle lat. rotation Teres major Ls. tubercle med. Teres major Ls. tubercle med.

rotationrotation Subscapularis Ls. tubercle med. Subscapularis Ls. tubercle med.

rotationrotation

Muscles Crossing the Muscles Crossing the ElbowElbow

Triceps brachiiTriceps brachii Biceps brachiiBiceps brachii BrachialisBrachialis BrachioradialisBrachioradialis

Triceps BrachiiTriceps Brachii

Triceps BrachiiTriceps Brachii

Lateral Head

Long Head

Medial Head

Biceps BrachiiBiceps Brachii

Long Head

Short Head

BrachialisBrachialis

BrachioradialisBrachioradialis

Anterior

Posterior

Anterior ForearmAnterior Forearm

Anterior ForearmAnterior Forearm

Flex and PronateFlex and Pronate Pronator teresPronator teres Flexor carpi radialisFlexor carpi radialis Flexor carpi ulnarisFlexor carpi ulnaris Flexor retinaculum – deep fascia at Flexor retinaculum – deep fascia at

wrists wrists

Pronator TeresPronator Teres

Flexor carpi radialis and Flexor carpi radialis and ulnarisulnaris

Radialis Ulnaris

Flexor retinaculum

Posterior ForearmPosterior Forearm

Posterior ForearmPosterior Forearm

Extend and SupinateExtend and Supinate Extensor carpi radialis longusExtensor carpi radialis longus Extensor carpi radialis brevisExtensor carpi radialis brevis Extensor carpi ulnarisExtensor carpi ulnaris Extensor retinaculum – prevents Extensor retinaculum – prevents

hyperextension of wristhyperextension of wrist

Extensor Carpi RadialisExtensor Carpi Radialis

Longus Brevis

Extensor Carpi UlnarisExtensor Carpi Ulnaris

Muscles of the HandMuscles of the Hand

Thenar Eminence – ball of the thumbThenar Eminence – ball of the thumb Hypothenar eminence – ball of the Hypothenar eminence – ball of the

little fingerlittle finger Midpalm -- extend our fingersMidpalm -- extend our fingers

Anterior ThighAnterior Thigh

Anterior and Medial Anterior and Medial ThighThigh

Origin – Insertion – Action Origin – Insertion – Action IliopsoasIliopsoas

IliacusIliacus Psoas major Psoas major

SartoriusSartorius

IliopsoasIliopsoas

Iliopsoas: IliacusIliopsoas: Iliacus

Iliopsoas: Psoas majorIliopsoas: Psoas major

SartoriusSartorius

Deep ThighDeep Thigh

Muscles of Medial Muscles of Medial CompartmentCompartment

Origin – Insertion – Action Origin – Insertion – Action AdductorsAdductors

Adductor magnusAdductor magnus Adductor longusAdductor longus Adductor brevisAdductor brevis

PectineusPectineus GracilisGracilis

Adductors Adductors

Magnus Brevis

Longus

PectineusPectineus

GracilisGracilis

Muscles of Anterior Muscles of Anterior CompartmentCompartment

Origin – Insertion – Action Origin – Insertion – Action Quadriceps FemorisQuadriceps Femoris

Rectus femorisRectus femoris Vastus lateralisVastus lateralis Vastus medialisVastus medialis Vastus intermedius Vastus intermedius

Tensor fasciae lataeTensor fasciae latae

Quadriceps FemorisQuadriceps Femoris

Anterior Posterior

Tensor Fascia LataeTensor Fascia Latae

Posterior ThighPosterior Thigh

Muscles of Posterior Muscles of Posterior CompartmentCompartment

Origin – Insertion – Action Origin – Insertion – Action HamstringsHamstrings

Biceps femorisBiceps femoris SemitendinosusSemitendinosus SemimembranosusSemimembranosus

Biceps FemorisBiceps Femoris

Long head Short head

SemitendinoususSemitendinousus

SemimembranoususSemimembranousus

Deep Posterior ThighDeep Posterior Thigh

Posterior MusclesPosterior Muscles

Origin – Insertion – Action Origin – Insertion – Action Gluteus maximusGluteus maximus Gluteus mediusGluteus medius Gluteus minimusGluteus minimus

Gluteus MusclesGluteus Muscles

Maximus

Medius

Minimus

Anterior LegAnterior Leg

Lateral LegLateral Leg

Posterior LegPosterior Leg

Muscles of the LegMuscles of the Leg

Origin – Insertion – Action Origin – Insertion – Action Tibialis anteriorTibialis anterior Fibularis (peroneus) longusFibularis (peroneus) longus GastrocnemiusGastrocnemius SoleusSoleus

Tibialis AnteriorTibialis Anterior

FibularisFibularis

GastrocnemiusGastrocnemius

SoleusSoleus

Thank you Thank you for for

attention !attention !