Muscles of the Anterior Thigh Quadriceps Femoris Iliopsoas Sartorius and Pectineus Diagram

Anterior thigh muscles: quadriceps femoris (rectus femoris central, vasti around femur), sartorius (crosses from ASIS to pes anserinus), iliopsoas (psoas major/iliacus to lesser trochanter), pectineus (pubis to femur). Femoral nerve supplies most.