Lower Limb OIA

gastrocnemius

O: medial/lateral femoral condyles

I: posterior, superior calcaneus

A: plantarflexion/tibiofemoral flexion

tibialis anterior

O: lateral condyle, proximal tibial shaft

I: medial cuneiform/metatarsal I

A: dorsiflexion/inversion

biceps femoris short head

O: linea aspera

I: head of fibula/lateral tibial condyle

A: tibiofemoral flexion

biceps femoris long head

O: ischial tuberosity

I: head of fibula/lateral tibial condyle

A: femorocoxal extension/tibiofemoral flexion

semimembranosus

O: ischial tuberosity

I: medial tibial condyle

A: femorocoxal extension/tibiofemoral flexion

semitendinosus

O: ischial tuberosity

I: medial, proximal shaft of tibia

A: femorocoxal extension/tibiofemoral flexion

vastus intermedius

O: anterior shaft of femur

I: patella/tibial tuberosity

A: tibiofemoral extension

vastus medialis

O: linea aspera/medial supracondylar line/intertrochanteric line

I: patella/tibial tuberosity

A: tibiofemoral extension

vastus lateralis

O: linea aspera/greater trochanter/intertrochanteric line

I: patella/tibial tuberosity

A: tibiofemoral extension

rectus femoris

O: AIIS/acetabular labrum

I: patella/tibial tuberosity

A: tibiofemoral extension/femorocoxal flexion

gracilis

O: inferior ramus/body of pubis/ischial tuberosity

I: medial tibial condyle

A: femorocoxal adduction

adductor magnus

O: ischial ramus/inferior pubic ramus/ischial tuberosity

I: linea aspera/adductor tubercle of femur

A: femorocoxal adduction

gluteus maximus

O: ilium/sacrum/coccyx

I: gluteal tuberosity

A: extends hip

iliacus

O: iliac fossa/ala of sacrum

I: lesser trochanter of femur

A: trunk and femorocoxal flexion

psoas major

O: lumbar vertebrae

I: lesser trochanter of femur

A: trunk and femorocoxal flexion