Hip muscles Flashcards
gluteus medius and minimus
O: ilium
I: greater trochanter
A: hip abduction, assist in hip IR and ER
I: superior gluteal
biceps femoris
O: long head- ischial tuberosity
short head- lateral lip of linea aspera
I: fibular head
A: hip extension, knee flexion
I: sciatic
adductor Magnus
O: ischial ramus and ischial tuberosity
I: linea aspera and adductor tubercle of femur
A: hip adduction, extension, internal rotation
I: obturator and tibial portion of sciatic N
gracilis
O: lower body of pubis and inferior ramus of pubis
I: medial surface of tibia
A: hip flexion, internal rotation, adduction
knee flexion
I: obturator
vastus medialis
O: lower region of intertrochanteric line, medial lip of liner aspera, proximal medial supracondylar line
I: medial capsule of knee, base of patella, and via patellar tendon, tibial tuberosity
A: knee extension
I: femoral
rectus femoris
O: anterior inferior iliac spine
I: base of patella and, via patellar tendon, the tibial tuberosity
A: knee extension, hip flexion
N: femoral
vastus intermedius
O: anterior-lateral regions of upper 2/3 of femoral shaft
I: lateral base of patella, and via patellar tendon, tibial tuberosity
A: knee extension
I: femoral
adductor brevis
O: inferior pubic ramus
I: proximal 1/3 of linea aspera of femur
A: hip adduction, flexion, internal rotation
I: obturator
semimembranosus
O: ischial tuberosity
I: medial condyle of tibia
A: hip extension, knee flexion
I: sciatic
sartorius
O: ASIS
I: medial surface of tibia
A: hip flexion, abduction, external rotation
knee flexion
I: femoral
piriformis
O: anterior side of sacrum
I: apex of greater trochanter
A: hip external rotation
I: nerve to piriformis
tensor fasciae latae
O: iliac crest and anterior superior iliac spine
I: proximal 1/3 of iliotibial band of fascia lata
A: hip flexion, abduction, internal rotation
N: superior gluteal
pectineus
O: pectineal line on superior pubic ramus
I: pectineal line on posterior surface of femur
A: hip flexion, adduction, internal rotation
I: femoral
gluteus maximus
O: outer ilium, posterior gluteal line, thoracolumbar fascia, posterior side of sacrum and coccyx
I: gluteal tuberosity and iliotibial band
A: hip extension and external rotation
secondary: hip adduction
I: inferior gluteal
vastus lateralis
O: upper region of intertrochanteric line, greater trochanter, lateral region of gluteal tuberosity, lateral lip of liner aspera
I: lateral capsule of knee, base of patella, and, via patellar tendon, tibial tuberosity
A: knee extension
N: femoral
