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Musculoskeletal Mechanics
Foot, Ankle,
&Lower Leg
TalocruralJoint Subtalar Joint
LateralMuscles Anterior
Muscles
2
MedialMuscles
PosteriorMuscles
KNEE The Knee
Two Joints:
Tibiofemoral
Patellofemoral
3
4
HIP
MEDIALAdduct
Anterior
Flex
5
Lateral
Abduct
PosteriorExtend
Putting It All Together
6
Shoulder
Muscles
Protectors
Pivoters
Postioners
Propellors
Protectors
Rotator Cuff:Supraspinatus
Infraspinatus
Teres Minor
Subscapularis
Biceps Tendon
7
Rotator Cuff –Lateral
Rotator Cuff –Posterior
Rotator CuffAnterior
Rotator Cuff –Medial
8
Scapular Pivoters
TrapeziusLevator ScapulaeRhomboidsPectoralis MinorSerratus Anterior
Humeral Positioners
Deltoid
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Humeral Propellors
Pectoralis MajorLatissimus Dorsi
10
ELBOW &FOREARM
Supinator PronatorTeres
11
PronatorQuadratus
WRISTWristExtensors
12
WristExtensors –Close-up
WristFlexors
WristFlexors –Close-up
LUMBAR SPINE
13
Muscles –
Deep
ErectorSpinae
14
CERVICAL SPINE
15