gross lab exam 4 with definitions & pictures (in progress)
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184 Terms
what is the origin of the gluteus maximus m?
posterior surface of ilium (medial to posterior gluteal line), posterior surface of sacrum and coccyx, sacrotuberous ligmanent
what is the insertion of the gluteus maximus m?
iliotibial tract, gluteal tuberosity of femur
what is the nerve supply of the gluteus maximus m?
inferior gluteal nerve
what is the action of the gluteus maximus m?
extension of hip, lateral rotation of thigh
what is the origin of the gluteus medius m?
posterior surface of ilium between posterior and anterior gluteal line, inferior to iliac crest
what is the insertion of the gluteus medius m?
greater trochanter of femur (lateral surface)
what is the nerve supply of the gluteus medius m?
superior gluteal nerve
what is the action of the gluteus medius m?
abduction of thigh, medial rotation of thigh, keeps a level pelvis
what is the origin of the gluteus minimus m?
posterior surface of ilium between anterior and inferior gluteal line
what is the insertion of the gluteus minimus m?
greater trochanter of femur (anterior surface)
what is the nerve supply of the gluteus minimus m?
superior gluteal nerve
what is the action of the gluteus minimus m?
abduction of thigh, medial rotation of thigh, keeps a level pelvis
what is the origin of the tensor fascia latae m?
lateral edge of iliac crest
what is the insertion of the tensor fascia latae m?
iliotibial tract
what is the nerve supply of the tensor fascia latae m?
superior gluteal nerve
what is the action of the tensor fascia latae m?
assists gluteus maximus muscle to stabilize an extended knee, flexion of thigh, medial rotation of thigh
what is the origin of the piriformis m?
anterior sacrum at S2, S3, S4
what is the insertion of the piriformis m?
greater trochanter of femur
what is the nerve supply of the piriformis m?
nerve to piriformis CSD S1, S2
what is the action of the piriformis m?
lateral rotation of thigh
what is the origin of the Superior gemellus m?
ischial spine
what is the insertion of the Superior gemellus m?
tendon of obturator internus, greater trochanter of femur
what is the nerve supply of the Superior gemellus m?
nerve to obturator internus
what is the action of the Superior gemellus m?
lateral rotation of thigh
what is the origin of the obturator internus m?
pelvic surface of obturator membrane
what is the insertion of the obturator internus m?
greater trochanter of femur
what is the nerve supply of the obturator internus m?
nerve to obturator internus
what is the action of the obturator internus m?
lateral rotation of thigh
what is the origin of the inferior gemellus m?
ischial tuberosity
what is the insertion of the inferior gemellus m?
tendon of obturator internus, greater trochanter of femur
what is the nerve supply of the inferior gemellus m?
nerve to quadratus femoris
what is the action of the inferior gemellus m?
lateral rotation of thigh
what is the origin of the quadratus femoris m?
ischial tuberosity
what is the insertion of the quadratus femoris m?
intertrochanteric crest
what is the nerve supply of the quadratus femoris m?
nerve to quadratus femoris
what is the action of the quadratus femoris m?
lateral rotation of thigh
what is the origin of the biceps femoris muscle long head m?
ischial tuberosity
what is the insertion of the biceps femoris muscle long head m?
head of fibula
what is the nerve supply of the biceps femoris muscle long head m?
tibial nerve
what is the action of the biceps femoris muscle long head m?
extension of hip, flexion of knee, lateral rotation of leg when knee flexed
what is the origin of the biceps femoris muscle short head m?
distal linea aspera of femur, lateral supracondylar line of femur
what is the insertion of the biceps femoris muscle short head m?
head of fibula
what is the nerve supply of the biceps femoris muscle short head m?
common fibular nerve
what is the action of the biceps femoris muscle short head m?
flexion of knee, lateral rotation of leg when knee fixed
what is the origin of the semitendinosus m?
ischial tuberosity
what is the insertion of the semitendinosus m?
pes anserinus of tibia
what is the nerve supply of the semitendinosus m?
tibial nerve
what is the action of the semitendinosus m?
extension of hip, flexion of knee, medial rotation of leg when knee flexed
what is the origin of the semimembranosus m?
ischial tuberosity
what is the insertion of the semimembranosus m?
posteromedial aspect of medial tibial condyle
what is the nerve supply of the semimembranosus m?
tibial nerve
what is the action of the semimembranosus m?
extension of hip, flexion of knee, medial rotation of leg
what is the origin of the sartorius m?
anterior superior iliac spine
what is the insertion of the sartorius m?
pes anserinus of tibia
what is the nerve supply of the sartorius m?
femoral nerve
what is the action of the sartorius m?
flexes hip, abducts hip, lateral rotation of hip, flexes knee, medial rotation of knee when knee flexed
what is the origin of the psoas major m?
sides of bodies of T12-L5, transverse processes of lumbar vertebrae
what is the insertion of the psoas major m?
lesser trochanter of femur
what is the nerve supply of the psoas major m?
ventral primary rami of L1, L2, L3
what is the action of the psoas major m?
primary flexor of hip, flexes trunk when thigh is fixed
what is the origin of the iliacus m?
iliac crest, superior 2/3 of iliac fossa, ala of sacrum, anterior sacroiliac ligaments
what is the insertion of the iliacus m?
lesser trochanter of femur
what is the nerve supply of the iliacus m?
femoral nerve CSD L2, L3
what is the action of the iliacus m?
primary flexor of hip, flexes trunk when thigh is fixed
what is the origin of the pectineus m?
superior ramus of pubis
what is the insertion of the pectineus m?
pectineal line of femur
what is the nerve supply of the pectineus m?
femoral nerve (sometimes obturator nerve)
what is the action of the pectineus m?
adducts thigh, flexes thigh, medially rotates thigh
what is the origin of the rectus femoris m?
anterior inferior iliac spine, above acetabulum
what is the insertion of the rectus femoris m?
tibial tuberosity
what is the nerve supply of the rectus femoris m?
femoral nerve
what is the action of the rectus femoris m?
flexes hip, extends knee
what is the origin of the vastus lateralis m ?
greater trochanter of femur, lateral to linea aspera of femur
what is the insertion of the vastus lateralis m?
tibial tuberosity
what is the nerve supply of the vastus lateralis m?
femoral nerve
what is the action of the vastus lateralis m?
extension of knee
what is the origin of the vastus medialis m?
intertrochanteric line of femur, medial to linea aspera of femur
what is the insertion of the vastus medialis m?
tibial tuberosity
what is the nerve supply of the vastus medialis m?
femoral nerve
what is the action of the vastus medialis m?
extension of knee
what is the origin of the vastus intermedius m?
anterior and lateral shaft of femur
what is the insertion of the vastus intermedius m?
tibial tuberosity
what is the nerve supply of the vastus intermedius m?
femoral nerve
what is the action of the vastus intermedius m?
extension of knee
what is the origin of the gracilis m?
body of pubis, inferior ramus of pubis
what is the insertion of the gracilis m?
pes anserinus of tibia
what is the nerve supply of the gracilis m?
obturator nerve
what is the action of the gracilis m?
adducts hip, flexes knee, medial rotation of leg
what is the origin of the adductor magnus m adductor part?
inferior pubic ramus, ramus of ischium
what is the insertion of the adductor magnus m adductor part?
gluteal tuberosity of femur, linea aspera of femur, medial supracondylar line of femur
what is the nerve supply of the adductor magnus m adductor part?
obturator nerve
what is the action of the adductor magnus m adductor part?
adducts hip, flexes hip
what is the origin of the adductor magnus m hamstring part?
ischial tuberosity
what is the insertion of the adductor magnus m hamstring part?
adductor tubercle of femur
what is the nerve supply of the adductor magnus m hamstring part?
tibial nerve
what is the action of the adductor magnus m hamstring part?
adducts hip, extends hip
what is the origin of the adductor longus m?
body of pubis, inferior to pubic crest
what is the insertion of the adductor longus m?
distal part of linea aspera of femur
what is the nerve supply of the adductor longus m?
obturator nerve
what is the action of the adductor longus m?
adducts hip