abdominal muscle whose fibers run across the abdomen

posterior upper arm

flexes forearm

abdominal muscle whose fibers run across the abdomen

muscle originates at base of femur and inserts in bones of heel

dorsal lower trunk muscle; extends the hip in walking

muscle opens jaw when head is pulled back

muscle originates at base of femur and inserts in bones of heel

covers front of neck

ventral leg muscle originating in iliac crest inserts in upper anterior tibia