The Hip Extensors Flashcards
name the hip extensors
Gluteus maximus & hamstrings (semitendinosus, semimembranosus & biceps femoris)
what muscles make up the hamstrings?
semitendinosus, semimembranosus & biceps femoris
gluteus maximus origin
gluteal surface of the ilium, iliac crest of innominate, coccyx, sacrum & sacrotuberous ligament
gluteus maximus insertion
gluteal tuberosity of the femur - 1/4
the other 3/4s form the iliotibial tract
gluteus maximus nerve supply
inferior gluteal nerve L5 S1 S2
gluteus maximus action
hip extension
knee extension (via iliotibial tract)
gluteus maximus function
running
semitendinosus origin
ischial tuberosity of innominate
semitendinosus insertion
medial surface of tibia medial condyle
semitendinosus nerve supply
sciatic nerve L5, S1, 2
semitendinosus action
hip extension
knee flexion
semitendinosus function
running
semimembranosus origin
ischial tuberosity of innominate
semimembranosus insertion
posteromedial surface of tibia medial condyle
semimembranosus nerve supply
sciatic nerve L5, S1, 2