Cranial Muscles of the Thigh

Question 0

iliopsoas

Answer 0

fusion of iliacus and psoas major
O: iliacus - ilium; psoas major - lumbar vertebrae
I: lesser trochanter of femur
A: rotate limb laterally; flex coxal joint

Question 1

quadriceps femoris

Answer 1

four heads - rectus femoris, vastus lateralis, vastus intermedius, vastus medialis
O: rectus femoris - ilium; other heads - proximal femur
I: tibial tuberosity
A: only rectus femoris - flex coxal joint; all heads - extend stifle joint