POSTERIOR COMPARTMENT OF LEG
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PA OF GASTROCNEMIUS
LATERAL HEAD = LATERAL CONDYLE OF FEMUR MEDIAL HEAD = SUPERIOR TO MEDIAL CONDYLE OF FEMUR
PLANTARIS PA
LATERAL SUPRACONDYLAR LINE OF FEMUR
SOLEUS PA
HEAD AND POSTERIOR SURFACE OF FIBULA SOLEAL LINE MEDIAL BORDER OF TIBIA
PA OF POPLITEUS
LATERAL SURFACE OF LATERAL CONDYLE OF FEMUR AND LATERAL MENISCUS
PA OF TIBIALIS POSTERIOR
POST SURFACE OF TIBIA INF OT SOLEAL LINE INTEROSSEUS MEMBRANE POST SURFACE OF FIBULA
FLEXOR DIGITORUM LONGUS PA
POST SURFACE OF TIBIA INF TO SOLEAL LINE
PA OF FLEXOR HALLICUS LONGUS
POST SURFACE OF FIBULA AND INTEROSSEUS MEMBRANE
DA OF GASTROCNEMIUS, SOLEUS, PLANTARIS
POST SURFACE OF CALCANEUS VIA CALCANEAL TENDON
NERVE SUPPLY TO POSTERIOR COMPARTMENT
TIBIAL NERVE
ACTION OF GASTROCNEMIUS
PLANTARFLEXION FLEXION OF KNEE
PLANTARIS ACTION
WEAK PLANTARFLEXION
SOLEUS ACTION
PLANTARFLEXION
POPLITEUS ACTION
UNLOCKS KNEE BY EXTERNALLY ROTATING FEMUR (closed chain) UNLOCKS KNEE BY INTERNALLY ROTATING TIBIA (open chain) note: when knees lock = closed chain (standing up)= femur internally rotates open chain (kicking)= tibia externally rotates
TIB POST ACTION
INVERSION PLANTARFLEXION
FLEXOR DIGITORUM LONGUS ACTION
FLEX LAT 4 DIGITS PLANTARFLEX ANKLE SUPPORT LONGITUDINAL ARCHES