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Lower limb muscles

This is to help you get into a PA program

QuestionAnswer
semitendinosus what is its action? extends thigh, flexes and rotates legs medially Nerve:tibial portion of sciatic
semimbranosus what is its action extendy, thight, flexes and rotates leg medially Nerve:tibial portion of sciatic
bicep femoris what is its action extends thigh, flexex and rotates leg medially Nerve:tibial(long head) and common Peroneal(short head) divisions of sciatic nerve
bicep femoris what is its action extends thigh,flexes and rotates laterally Nerve:
lliacus what is its action flexes thigh (with psoss major) Nerve:femoral
Sartorius what is its action flexes and rotates thigh laterally, flexes and rotates leg medially Nerve: femoral
rectus femoris what is its action flexes thigh,extends leg Nerve:femoral
vastus medialis what is its action extends leg Nerve:femoral
vastus lateralis what is its action extends leg Nerve:femoral
vastus intermedius extends leg Nerve:femoral
adductor longus what is its action adducts and flexes thigh Nerve: obturator
adductor brevis what is its action ADDUCTS AND FLEXES THIGH Nerve: obturator
adductor magnus what is its action adducts,flexes,and extends thigh Nerve: obturator and sciatic tibial part)
Gracilis what is its action adducts and flexes thigh, flexes and rotates left medially Nerve: obturator
obturator externus rotates thight laterally Nerve: obturator
tibialis what is its action dorsiflexes and inverts foot Nerve: Deep peroneal (fibular)
extensor hallucis longus extends big toe,dorsi flexes and inverts foots Nerve: Deep peroneal (fibular)
peroneus tertius dorsiflexes and everts foot Nerve: Deep peroneal (fibular)
peroneus longus everts and plantar flexes foot Nerve: Superficial peroneal
peroneus brevis everts and plantar flexes foot Nerve: Superficial peroneal
gastrocnemius flexes knee, plantar flexes foot Nerve: Tibial
soleus plantar flexes foot Nerve: Tibial
plantaris flexes leg, plantar flexes foot Nerve: Tibial
popliteus flexes by unlocking knee and rotates leg medially Nerve: Tibial
flexor hallucis longus plantar flexes foor, flexes distal phalanx of big toe Nerve: Tibial
flexor digitorum longus flexes lateral four toes and plantar flexes foot Nerve: Tibial
tibialis posterior plantar flexes and inverts foot Nerve: Tibial
extensor digitorum brevis extends toes Nerve: deep peroneal
extensor hallucis brevis extends big toe Nerve: deep peroneal
abductor hallucis abducts big toe Nerve: medial plantar
flexor digitorum brevis flexes middle phalanges of lateral four toes Nerve: medial plantar
abductor digiti minimi abducts little toe Nerve: lateral plantar
quadratus plantae aids in flexing toes Nerve: lateral plantar
lumbricals flex metatarsophalangeal joints and extend interphalangeal joints Nerve: first by medial plantar,lateral three by lateral planatar
flexor hallucis flexes big toe Nerve: medial plantar
adductor hallucis oblique head adducts big toe Nerve: lateral plantar
transeverse head adducts big toe Nerve: lateral plantar
flexor digit minimi brevis flexes little toe Nerve: lateral plantar
plantar inerossei(3) adducts toes, flex proximal and extend distal phalanges Nerve: lateral plantar
dorsal interossei (4) abduct toes, flex proximal and extend distal phalanges. Nerve: lateral plantar
Created by: 100003545191858
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