Muscles of Thigh Flashcards
Illiopsoas
O- T12 - L5, sacrum, illiac fossa
I - less trochanter of femur
A- flexes thigh
Sartorius
abduction of thigh
Gracilis
O- Pubic symphysis
I- Proximal medial tibia
A- adduct thigh
Pectineus
adduct thigh
Adductor Longus
O- pubis
I- linea aspera of femur
A- Adduct & laterally rotate femur
Adductor Magnus
O- pubis
I- gluteal tuberosity and linea aspera of femur
A- adduct & laterally rotate femur
Adductor BrevisAdductor Brevis
adduct & laterally rotate
Rectus femoris
O- anterior inferior illiac spine, margin of acetabulum
I- Tibial tuberosity near patellar tendon
A- flexes thigh, extends leg
Vastus Medialis
extend leg
Vastus Lateralis
extend leg
Vastus intermedius
extend leg
Gluteus Maximus
O- Outer illiac blade, illiac crest, sacrum, coccyx
I- gluteal tiberosity of femur
A- extend & laterally rotates thigh
Gluteus Minimus
abducts & medially rotate thigh
Gluteus Medius
abducts & medially rotate thigh
Tensor Faciae Latae
abducts and medially rotates thigh
Biceps Femoris
O- Ischial tuberosity, linea aspera of femur
I- head of fibula
A- extend thigh, flex leg
Semitendinosus
extend thigh, flex leg
Semimembranosus
extend thigh flex leg
What three muscles make up hamstrings?
Semitendinosus, semimembranosus, biceps femoris