Ant thigh muscles Flashcards
sartorius- O, I, A, IN
O- ASIS, notch below spine
I- Prox med surface of tibia shaft
IN- N to sartorius L2,3
A- flex thigh + Leg, lat rotates + abducts thigh/leg
Rectus femoris- O, I, A, IN
O- AIIS, illium sup to acetabulum, fibrous capsule of hip joint
I- common tendon
In- nerve to rectus femoris L2,3,4
A- extends leg, flexes thigh, stabilizes patella
Vastus lateralis- O, I, A, IN
O- Greater trochanter, prox 2/3 intertroch line, lat lip aspera, lat intramuscular septum
I- common tendon
IN- nerve to vastus lat L2,3,4
A- extend leg, stabilize patella
Vastus medialis- O, I, A, IN
O- medial lip linea aspera, inf 1/3 intertroch line, spiril line, med intramuscular septum
I- common tendon
IN- N to vastus me L2,3,4
A- Extend leg, stabilize patella
Vastus intermedius- O, I, IN, A
O- ant+lat surface of prox 2/3 femoral shaft + lap lip
I- common tendon
IN- n to vastus interm L2,3,4
A- extend leg, stabilize pelvis
articularis genus- O, I, IN, A
O- ant inf part of femoral shaft
I- synovial membrane of knee
IN- nerve to vastus intermedius (l2,3)
A- retracts synovial supra patellar reflection from entrapment