ANOIA lower extremity Flashcards
(32 cards)
Rectus Femoris
O: anterior inferior iliac spine (ASIS)
I: tibial tuberosity (via patella and petellar ligament)
A: extend knee, flex hip
N: femoral
Vastus medialis
O: medial lip of linea aspera
I: tibial tuberosity (via patella and petellar ligament)
A: extend knee
N: femoral
vastus lateralis
O: lateral lip of linea aspera, gluteal tuberosity, greater trochanter
I: tibial tuberosity (via patella and petallar ligament)
A: extend knee
N: femoral
Vastus intermedius
O: anterior and lateral shaft of femur
I: tibial tuberosity (via patella and patellar ligament)
A: extend knee
N: femoral
Biceps femoris
O: long head: ischial tuberosity
Short head: lateral lip of linea aspera
I: head of the fibula
A: flex knee, laterally rotate flexed knee
long head: extend hip, laterally rotate hip, tilt pelvis posteriorly
N: long head: sciatic (tibial branch)
short head: sciatic (fibular branch)
Semitendinosus
O: ischial tuberosity
I: proximal, medial shaft of tibia at pes anserinus tendon
A: flex knee, medially rotate flexed knee, extend hip, medially rotate hip, tilt pelvis posteriorly
N: sciatic (tibial branch)
Semimembranosus
O: ischial tuberosity
I: posterior aspect of medial condyle of tibia
A: flex knee, medially rotate flexed knee, extend hip, medially rotate hip, tilt pelvis posteriorly
N: sciatic (tibial branch)
Gastrocnemius
O: condyles of the femur posterior surfaces
I: calcaneus via calcaneal tendon
A: flex knee, plantar flex ankle
N: tibial
Soleus
O: soleal line, proximal posterior surface of tibia, posterior aspect of head of fibula
I: calcaneus via calcaneal tendon
A: plantarflex ankle
N: Tibial
Plantaris
O: lateral supracondylar line of femur
I: calcaneus via calcaneal tendon
A: weak plantar flexion, weak flexion of knee
N: tibial
Popliteus
O: lateral condyle of femur
I: proximal, posterior aspect of fibia
A: medially rotate flexed knee, flex knee
N: tibial
Fibularis longus
O: head of fibula and proximal 2/3 of lateral fibula
I: base of first metatarsal and medial cuneiform
A: evert foot, plantarflex ankle
N: superficial fibular
Fibularis Brevis
O: distal 2/3 of lateral fibula
I: tubersoity of 5th metatarsal
A: evert foot, plantarflex ankle
N: superficial fibular
Fibularis Tertius
O: medial surface of fibula, interosseus membrane
I: base of 5th metatarsal
A: evert foot, dorsiflex ankle
N: deep fibular
Tibialis anterior
O: lateral condyle of tibia, proximal lateral surface of tibia, interosseus membrane
I: medial cuneiform and base of 1st metatarsal
A: invert foot, dorsiflex ankle
N: deep fibular
Extensor digitorum longus
O: lateral condyle of tibia, proximal anterior shaft of fibula, interosseus membrane
I: middle and distal phalanges of 2-5
A: extend toes 2-5, dorsiflex ankle, evert foot
N: deep fibular
Extensor hallicus longus
O: middle anterior surface of fibula, interosseus membrane
I: distal phalax of first toe
A: extend first toe, dorsiflex ankle, invert foot
N: deep fibular
Tibialis posterior
O: proximal posterior shafts of tibia and fibula, interosseus membrane
I: all 5 tarsal bones and bases of metatarsals 2-4
A: invert foot, plantarflex ankle
N: tibial
Flexor digitorum longus
O: middle posterior surface of tibia
I: distal phalanges of toes 2-5
A: flex toes 2-5, plantar flex ankle, invert foot
N: tibial
Flexor hallicus longus
O: middle half of posterior fibula
I: distal phalax of first toe
A: flex first toe, plantar flexion, invert foot
N: tibial
Extensor digitorum brevis
O: dorsal surface of calcaneus
I: toes 2-4 via extensor digitorum longus tendons
A: extend toes 2-4
N: deep fibular
Flexor digitorum brevis
O: medial process of calcaneus and plantar appenurosis
I: middle phalanges of toes 2-5
A: flex middle phalanges of toes 2-5
N: tibial
Abductor hallicus
O: medial process of calcaneus and plantar appenurosis
I: proximal phalanx of first toe and medial sesasmoid bone
A: abduct first toe, flex the first toe
N: tibial
Abductor digiti minimi
O: lateral process of calcaneus and plantar appeneurosis
I: proximal phalanx of 5th toe
A: flex 5th toe, abduct 5th toe
N: tibial
