Muscles that Act on the Leg OIAs Flashcards
1
Q
biceps femoris (Short Head)
A
O: linea aspera of femur
I: head of fibula and lateral condyle of tibia
A: flexes leg/knee
2
Q
vastus lateralis
A
O: greater trochanter and linea aspera of femur
I: tibial tuberosity via the patella
A: extends leg/knee
3
Q
vastus medialis
A
O: linea medialis
I: tibial tuberosity via the patella
A: extends leg/knee
4
Q
vastus intermedius
A
O: anterior surface of femur
I: tibial tuberosity via the patella
A: extends leg/knee
5
Q
popliteus
A
O: lateral condyle of femur
I: proximal portion of tibia
A: flexes and rotates leg/knee
6
Q
gastrocnemius
A
O: media and lateral condyles of femur
I: calcaneus
A: flexes leg/knee and plantar flexes foot
