01:01:54 duration 1 hour 1 minute
Week 7 Axial m (movie)
20:15 duration 20 minutes 15 seconds
Trunk and Spinal Column Muscles 11/15/21
17:53 duration 17 minutes 53 seconds
Muscle actions (axis)
02:43 duration 2 minutes 43 seconds
Intercostal & abdominal muscle layers