Flexing the thigh, extending the leg, adducts leg
It is the rectus femoris, which along with the action of knee extension, it also flexes the hip
The abdominals cause flexion of the spine
The rectus femoris differs from the other quadriceps muscle in that it crosses both the hip and the knee joints. Thus, it causes both flexion of the hip and extension of the knee.
rectus femoris