abdominal muscle whose fibers run across the abdomen

dorsal lower trunk muscle; extends the hip in walking

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

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

muscle originates in maxilla and zygomatic arch; inserts in mandible

mid and low back

abdominal muscle which originates in 8 lower ribs and inserts in crest of ilium