Hip/Thigh Myology Flashcards
Name the hip flexors
sartorius, rectus femoris, iliopsoas
hip flexor’s nerve
femoral nerve
sartorius origin
ASIS
sartorius insertion
pes anserine
sartorius action
hip flexion, abduction, external rotation
rectus femoris origin
AIIS
rectus femoris insertion
common tendon to tibial tuberosity
rectus femoris action
hip flexion, knee extension
2 muscles in iliopsoas
iliacus and psoas major
iliacus origin
iliac fossa, iliac crest, ala of sacrum, transverse processes of lumbar vertebrae
iliopsoas insertion
lesser trochanter of femur
iliacus action
hip flexion
psoas major origin
transverse processes of lumbar vertebrae
psoas major action
hip flexion, external rotation
psoas major nerve
anterior rami of lumbar nerves L1, L2, L3
name the hip extensors
gluteus maximus, biceps femoris, semimembranosus, semitendinosus
main hip extensor
gluteus maximus
gluteus maximus origin
posterior ilium and sacrum
gluteus maximus insertion
superior fibers: IT band
inferior fibers: gluteal tuberosity
gluteus maximus action
hip extension and external rotation
gluteus maximus nerve
inferior gluteal nerve
semimembranosus origin
ischial tuberosity
semimembranosus insertion
medial condyle of the tibia
semimembranosus action
hip extension, knee flexion
semimembranosus nerve
sciatic nerve
biceps femoris origin
long head: ischial tuberosity
short head: lateral linea aspera
biceps femoris insertion
fibular head
biceps femoris action
knee flexion, hip extension
biceps femoris nerve
sciatic nerve
semitendinosus origin
ischial tuberosity
semitendinosus insertion
pes anserine
semitendinosus action
knee flexion, hip extension
semitendinosus nerve
sciatic nerve
name the hip abductors
tensor fasciae latae, gluteus medius, gluteus minimus
main hip abductor
gluteus medius
hip abductor nerve
superior gluteal nerve
tensor fasciae latae origin
anterior external lip of iliac crest and ASIS
tensor fasciae latae insertion
IT band to lateral condyle of tibia
tensor fasciae latae action
assists with abduction, medial rotation of thigh
gluteus medius origin
external surface of ilium
gluteus medius insertion
greater trochanter of femur
gluteus medius action
hip abduction
gluteus minimus origin
external surface of ilium
gluteus minimus insertion
greater trochanter of femur
gluteus minimus action
hip abduction
name the hip adductors
obturator externus, pectinius, adductor brevis, adductor longus, adductor magnus, gracilis
hip adductor nerve (for the most part)
obturator nerve
obturator externus origin
margins of obturator foramen
obturator externus insertion
trochanteric fossa
obturator externus action
lateral rotation of thigh, adduction
pectinius origin
superior ramus of pubis
pectinius insertion
pectineal line of femur, inferior to lesser trochanter
pectinius action
adduction, thigh flexion, assists with medial rotation
pectinius nerve
obturator nerve or femoral nerve
adductor brevis origin
body and inferior ramus of pubis
adductor brevis insertion
pectineal line of femur, proximal linea aspera
adductor brevis action
adduction, flexion of thigh, assists with medial rotation
adductor longus origin
body of pubis inferior to crest
adductor longus insertion
middle third of linea aspera
adductor longus action
adduction, flexion of thigh, assists with medial rotation
adductor magnus origin
inferior ramus of pubis, ramus of ischium
adductor magnus insertion
adductor part: gluteal tuberosity, linea aspera, medial supracondylar line
hamstring part: adductor tubercle
adductor magnus action
adduction, flexion of thigh, assists with medial rotation
adductor magnus nerve
adductor par: obturator nerve
hamstring part: tibial portion of sciatic nerve
gracilis origin
body and inferior ramus of pubis
gracilis insertion
pes anserine
gracilis action
adduction, flexion of thigh, assists with medial rotation
name the external rotators of the hip
piriformis, gemellus superior, obturator internus, gemellus inferior, quadratus femoris
piriformis origin
anterior sacrum
external rotators of the hip action
laterally rotates thigh, abducts when thigh is flexed
external rotators of the hip insertion
greater trochanter of femur
piriformis nerve
nerve to piriformis
gemellus superior origin
ischial spine
gemellus superior nerve
nerve to obturator internus
obturator internus origin
posterior margins of obturator foramen
obturator internus nerve
nerve to obturator internus
gemellus inferior origin
ischial tuberosity
gemellus inferior nerve
nerve to quadratus femoris
quadratus femoris origin
lateral aspect of ischial tuberosity
quadratus femoris nerve
nerve to quadratus femoris
muscles in quadriceps muscles
rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
insertion for quadriceps muscles
common tendon to tibial tuberosity
action for quadriceps muscles
knee extension
nerve for quadriceps muscles
femoral nerve
vastus lateralis origin
greater trochanter and lateral lip of linea aspera
vastus medialis origin
medial lip of linea aspera
vastus intermedius origin
anterior and lateral surface of femur