Question

what muscle is found on the anterior thigh and is a hip flexor/knee extensor?
hamstrings
rectus abdominis
rectus femoris
deltoid

Explanation:

The rectus femoris is located on the anterior thigh. It functions as a hip - flexor and knee - extensor. Hamstrings are on the posterior thigh, rectus abdominis is on the abdomen, and deltoid is on the shoulder.

Answer:

Rectus femoris