Quadricep femoris group
origin vastus intermedius
Anterior & lateral shaft of the femur.
Whats the origin for the rectus femoris?
Anterior inferior iliac spine (AIIS)
What does the quadricep femoris group do?
Extends the tibiofemoral joint. (knee) Flexes the coxal joint.
What nerve innervates the quadriceps femoris group
Femoral L2 to L4
origin vastus lateralis
Lateral lip of linea aspera Gluteal tuberosity Greater trochanter
What muscle flexes the coxal joint?
Rectus femoris.
What 4 muscles make up the quadricep femoris group?
Rectus femoris. Vastus Medialis. Vastus lateralis Vastus intermedius
origin Vastus medialis
medial lip of linea aspera
Where do all the quadriceps insert?
via the patellar ligament to the tibial tuberosity