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K Knee


peroneus longus O lateral proximal fibula & interosseous membrane
peroneus longus I plantar surface of 1st cuneiform & metatarsal
peroneus longus A ankle eversion; assists in ankle plantar flexion
peroneus longus N superficial peroneal nerve L4, L5, S1
tibialis anterior O lateral tibia & interosseous membrane
tibialis anterior I 1st cuneiform & metatarsal
tibialis anterior A ankle inversion & dorsiflexion
tibialis anterior N deep peroneal nerve L4, L5, S1
gastrocnemius O medial & lateral condyles of femur
gastrocnemius I posterior calcaneus
gastrocnemius A knee flexion, ankle plantar flexion
gastrocnemius N tibial nerve, S1, S2
rectus femoris O anterior inferior iliac spine
rectus femoris I tibial tuberosity
rectus femoris A hip flexion, knee extention
rectus femoris N femoral nerve L2, L3, L4
vastus intermedialis O anterior femur
vastus intermedialis I tibial tuberosity via patellar tendon
vastus intermedialis A knee extension
vastus intermedialis N femoral nerve L2, L3, L4
vastus lateralis O linea aspera
vastus lateralis I tibial tuberosity via patellar tendon
vastus lateralis A knee extension
vastus lateralis N femoral nerve L2, L3, L4
vastus medialis O linea aspera
vastus medialis I tibial tuberosity via patellar tendon
vastus medialis A knee extension
vastus medialis N femoral nerve L2, L3, L4
semitendinosus O ischial tuberosity
semitendinosus I anteromedial surface of proximal tibia
semitendinosus A extend hip and flex knee
semitendinosus N sciatic nerve L5, S1, S2
semimembranosus O ischial tuberosity
semimembranosus I posterior surface of medial condyle of tibia
semimembranosus A extend hip & flex knee
semimembranosus N sciatic nerve L5, S1, S2
biceps femoris O long head: ischial tuberosity / short head: lateral lip of linea aspera
biceps femoris I fibular head
biceps femoris A long head: extend hip & flex knee / short head: flex knee
biceps femoris N long head: sciatic nerve S1, S2, S3 / short head: common peroneal nerve L5, S1, S2
popliteus O lateral condyle of femur
popliteus I posterior surface of medial condyle of tibia
popliteus A initiates knee flexion, unlocks screw home
popliteus N tibial nerve L4, L5, S1
Created by: jessigirrl4



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