Crunch kicks work your lower abs, particularly the rectus abdominis muscle . This muscle lies between your pubic bone and ribs. The rectus abdominis enables the flexion of the trunk and helps with expiration too.3 Ara 2021
Crunch kicks work your lower abs, particularly the rectus abdominis muscle . This muscle lies between your pubic bone and ribs. The rectus abdominis enables the flexion of the trunk and helps with expiration too.3 Ara 2021