Leg Actions/Innervations/Origins/Insertions Flashcards
what is the action and innervation for gastrocnemius m.
plantar flexion, flexes leg at knee
tibial n.
what is the action and innervation for soleus m.
plantar flexion
tibial n.
what is the action and innervation for plantaris m.
weak plantar flexion, leg flexion
tibial n.
what is the action and innervation for popliteus m.
unlocks extended leg by laterally rotating femur on a stationary tibia, weakly flexes leg
tibial n.
what is the action and innervation for flexor hallucis longus m.
flexes great toe, plantar flexion at ankle joint
tibial n.
what is the action and innervation for flexor digitorum longus m.
flexes lateral 4 digits, plantar flexion of foot at ankle joint
tibial n.
what is the action and innervation for tibialis posterior m.
inversion of too, plantar flexion
tibial n.
what is the action and innervation for tibialis anterior m.
dorsiflexion and inversion of foot
deep fibular n.
what is the action and innervation for extensor digitorum longus m.
extends lateral four digits, dorsiflexion
deep fibular n.
what is the action and innervation for fibularis tertius m.
dorsiflexion, eversion of foot
deep fibular n.
what is the action and innervation for extensor hallucis longus m.
extension of hallux, dorsiflex ankle
deep fibular n.
what is the action and innervation for fibularis longus m.
eversion of foot, plantar flexion
superficial fibular n.
what is the action and innervation for fibularis brevis m.
eversion of foot, plantar flexion
superficial fibular n.
what is the origin and insertion for gastrocnemius m.
superior to lateral and medial epicondyles of femur
inserts into calcaneus
what is the origin and insertion for soleus m.
upper posterior surface of fibula, soleal line of tibia, and upper medial fibula
inserts onto calcaneus
what is the origin and insertion for plantaris m.
lower lateral supracondylar line and popliteal surface of femur
inserts onto calcaneus tendon
what is the origin and insertion for popliteus m.
a tendon just inferior to lateral epicondyle of femur
inserts onto posterior tibia above popliteal line
what is the origin and insertion for flexor hallucis longus m.
lower 2/3 of posterior fibula and interosseus membrane
inserts onto base of distal phalanx of big toe
what is the origin and insertion for flexor digitorum longus m.
posterior surface of tibia below popliteal line
inserts onto plantar surface of base of distal phalanges of digits 2-5
what is the origin and insertion for tibialis posterior m.
interosseus membrane and posterior shaft of tibia and fibula
inserts onto tuberosity of navicular, cuboid, 3 cuneiforms, and bases of metatarsals 2-4
what is the origin and insertion for fibularis longus m.
lateral shaft and head of fibula
inserts on medial 1st cuneiform and base of 1st metatarsal
what is the origin and insertion for fibularis brevis m.
lateral shaft of fibula
inserts on the base of the 5th metatarsal
what is the origin and insertion for tibialis anterior m.
upper 2/3 lateral shaft of tibia, interosseus membrane
inserts on the medial side of medial 1st cuneiform and base of 1st metatarsal
what is the origin and insertion for extensor digitorum longus m.
anterior surface of fibula and interosseus membrane
inserts onto middle and distal phalanges of digits 2-5 via dorsal expansion
what is the origin and insertion for fibularis tertius m.
distal fibula and interosseus membrane
inserts onto base of 5th metatarsal
what is the origin and insertion for extensor hallucis longus m.
middle 1/2 of anterior fibula and interosseus membrane
inserts on the base of distal phalanx of big toe
