A complete guide to abdominal muscle anatomy! 90% of people get the abdominal muscles wrong!
21:41
Muscles that cause stiff shoulders! A complete guide to the anatomy of the trapezius and levator ...
15:19
中臀筋の完全攻略！筋トレの効果2倍にする解剖学！
14:50
These 5 Movements Reveal How Long You’ll Live!
27:43
Improve your hunchback! A complete manual! Learn why your hunchback won't go away!
20:31