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muscles 11.17
name | origin | insertion | action |
---|---|---|---|
iliopsoas | has 2 parts (muscles) | 1~ psoas major | 2~ iliacus |
psoas | trasverse processes and bodies of lumbar vertebra | with iliacus into lesser trochanter of femur | psoas major and iliacus muscles actiong togather flex thigh at hip joint, rotate thigh laterally and flex trunk onthe hip as n sitting up from the supine position |
iliacus | iliac fossa and sacrum | with psoas major into lesser trochanter of femur | psoas major and iliacus muscles actiong togather flex thigh at hip joint, rotate thigh laterally and flex trunk onthe hip as n sitting up from the supine position |
gluteus maximus | iliac crest, sacrum,coccyx and aponeurosis of sacrospinalis | iliotibial part of linea aspera(gluteal tuberosity)under greater trochanter of femur | extends thigh at hip joint and laterally rotates thigh |
gluteus medius | ilium | greater trochanter of femur | abducts thigh at hip joint and medially rotates thigh |
gluteus minimus | ilium | greater trochanter of femur | abducts thigh at hip joint and medially rotates thigh |
tensor fasciae latae | iliac crest | tibia by way of the iliotibial tract | flexes and abducts thigh at hip joint |
piriformis | anterior sacrum | superior border of greater trochanter of femur | laterally roatates and abducts thigh at hip joint |
obturator internus | inner surface of abturateor foramen, pubis and ishium | medial surface of greater trochanter of femur | laterally rotates and abducts thigh at hip joint |
obturator externus | outer surface of obturator membrane | seep depression inferior to greater trochanter (trochanteric fossa) of femur | laterally rotates and abducts thigh at hip joint |
superior gamellus | ishial spine | medial surface of greater trochanter of femur | laterally rotates and abducts thigh at hip joint |
inferior gamellus | ishial tuberosity | medial surface of greater trochanter of femur | laterally rotates and abducts thigh at hip joint |
quadratus femoris | ishial tuberosity | elevation superior to midportion of intertrochanteric crest (quadrate tubercle) on posterior femur | laterally rotates and stabalizes hip joint |
adductor longus | pubic crest and pubic symphysis | linea aspera of femur | adducts and flexes thigh at hip joint and laterally rotates thigh |
adductor brevis | inferior ramus of pubis | superior half of linea aspera of femur | adducts and flexes thigh at hip joint and medially rotates thigh |
adductor magnus | inferior ramus of pubis and ischium to ischial tuberosity | linea aspera of femur | adducts thigh at hip joint and laterally rotates thigh, anterior part flexes thigh at hip joint and posterior part extends thigh at hip joint |
pectineus | superior ramus of pubis | pectineal line of femur, between lesser trochanter and linea aspera | flexes and adducts thigh at hip joint |