Ant Thigh
O: AIIS
I: tibial tuberosity via patellar tendon
A: hip flex, knee ext
What is the rectus femoris?
O: anterior surface of sacrum
I: Greater trochanter
A: Hip ER
What is the piriformis?
O: lateral condyle of tibia, proximal lateral tibia, & interosseous membrane
I: medial cuneiform and plantar base of 1st metatarsal
A: ankle DF and inversion
What is the tibialis anterior?
O: medial and lateral condyles of femur
I: Calcaneus via achilles tendon
A: ankle PF, knee ext
gastrocnemius
Nerve that innervates the anterior thigh
What is the femoral nerve?
O: Medial lip of linea aspera
I: tibial tuberosity via patellar tendon
A: knee ext
What is the vastus medialis?
O: ischial tuberosity and lateral lip of linea aspera
I: fibular head
A: hip ext, knee flex, knee ER
What is the biceps femoris?
O: lateral condyle of tibia, interosseous membrane and proximal ant shaft of fibula
I: middle and distal phalanx of toes 2-5
A: ankle DF, eversion and MTP/DIP ext 2-5
What is the extensor digitorum longus?
O: proximal post tibia and post head of fibula
I: calceneus via achilles tendon
A: ankle PF
What is the soleus?
Nerve that innervates the hamstrings?
What is the sciatic nerve?
O: anterior/lateral shaft of femur
I: tibial tuberosity via patellar tendon
A: knee ext
What is the vastus intermedius?
O: gluteal surface of ilium
I: ant greater trochanter
A: hip ABD, IR and flex
What is the gluteus minimus?
O: middle anterior fibula and interosseous membrane
I: distal phalanx of great toe
A: great toe ext, foot inversion and DF
What is the extensor hallucis longus?
O: lateral condyle of femur
I: post medial condyle of tibia
A: knee IR and flex
Popliteus
Nerve that innervates the back of the lower leg
What is the tibial nerve?
O: Iliac crest
I: lateral condyle of tibia via ITB
A: combined hip flex, ABD & IR
What is the tensor fasciae latae?
O: ischial tuberosity
I: pes anserine
A: hip ext, knee flex, knee IR
What is the semitendinosus?
O: Head of fibula, lateral proximal fibula, and interosseous membrane
I: plantar surface of cuneiform 1 and base of 1st metatarsal
A: eversion
Fibularis longus
O: middle half of post fibula
I: distal phalanx of great toe
A: great toe flex, ankle PF and inversion
What is the flexor hallucis longus?
What is the deep fibular?
O: ischial tuberosity, inferior ramus of pubis, ramus of ischium
I: medial lip of linea aspera & adductor tubercle
A: Ant fibers: hip flex & ADD
Post fibers: hip ext & ADD
What is the adductor magnus?
O: Ischial tuberosity
I: posterior surface of medial condyle of tibia
A: hip ext, knee flex
What is the semimembranosus?
O: lateral distal 2/3 of fibula
I: tuberosity of 5th metatarsal
A: eversion
What is the fibularis brevis?
O: proximal post shaft of tibia and fibula & interosseous membrane
I: all 5 tarsals and bases of 2-4 metatarsals
A: ankle PF and inversion
What is the tibialis posterior?
Nerve that innervates the hip adductors
What is the obturator nerve?