「Cotsumic」 is a health improvement program centered on pelvic adjustment and approach"pelvic floor muscle" using rubber bands and balls.
Originally it is a program developed for the purpose of physical recovery of women after childbirth, 
Pelvic floor muscles are at the bottom of the trunk and inner muscles is important to both men and women who support the internal organs of the lower abdomen. 
As a program that increased intensity not only after childbirth but for all modern people, all people of young and old can take the program.