Term | Definition |
soleus O | posterior tibia & fibula |
soleus I | posterior calcaneus |
soleus A | ankle plantar flexion |
soleus N | tibial nerve S1, S2 |
plantaris O | posterior lateral condyle of femur |
plantaris I | posterior calcaneus |
plantaris A | very weak assist in knee flex & ankle plantar flex |
plantaris N | tibial nerve L4, L5, S1 |
tibialis posterior O | interosseous membrane, adjacent tibia & fibula |
tibialis posterior I | navicular & most tarsals & metatarsals |
tibialis posterior A | ankle inversion: assists in plantar flexion |
tibialis posterior N | tibial nerve L5, S1 |
flexor hallucis longus O | posterior fibula & interosseous membrane |
flexor hallucis longus I | distal phalanx of the great toe |
flexor hallucis longus A | flexes great toe; assists in inversion & plantar flex of the ankle |
flexor hallucis longus N | tibial nerve L5, S1, S2 |
flexor digitorum longus O | posterior tibia |
flexor digitorum longus I | distal phalanx of four lesser toes |
flexor digitorum longus A | flexes the four lesser toes; assists in ankle inversion & plantar flexion of the ankle |
flexor digitorum longus N | tibial nerve L5, S1 |
extensor hallucis longus O | fibula & interosseous membrane |
extensor hallucis longus I | distal phalanx of great toe |
extensor hallucis longus A | extends 1st toe; assists in ankle inversion & dorsiflexion |
extensor hallucis longus N | deep peroneal nerve L4, L5, S1 |
extensor digitorum longus O | fibula, interosseous membrane, tibia |
extensor digitorum longus I | distal phalanx of 4 lesser toes |
extensor digitorum longus A | extends 4 lesser toes, assists in ankle dorsiflexion |
extensor digitorum longus N | deep peroneal nerve L4, L5, S1 |
peroneus brevis O | lateral distal fibula |
peroneus brevis I | base of 5th metatarsal |
peroneus brevis A | ankle eversion; assists in plantar flexion |
peroneus brevis N | superficial peroneal nerve L4, L5, S1 |
peroneus tertius O | distal medial fibula |
peroneus tertius I | base of fifth metatarsal |
peroneus tertius A | asssists somewhat in ankle eversion & dorsiflexion |
peroneus tertius N | deep peroneal nerve L4, L5, S1 |
diaphragm O | xiphoid process, ribs, lumbar vertebrae |
diaphragm I | central tendon |
diaphragm A | inspiration |
diaphragm N | phrenic nerve |
external intercostal O | rib above |
external intercostal I | rib below |
external intercostal A | elevate ribs |
external intercostal N | intercostal nerve T2-T6 |
internal intercostal O | rib below |
internal intercostal I | rib above |
internal intercostal A | depress ribs |
internal intercostal N | intercostal nerve T2-T6 |