Background Anterior cruciate ligament (ACL) injury in knees opposite to the racket-hand side frequent occurs during single-leg landing after overhead stroke in badminton. Although large lateral ...

Primary lateral sclerosis (PLS ... the muscle problems start in the legs and move up the body to the trunk, arms, and muscles ...

Medically reviewed by Jennifer Steinhoff, MD The transversus abdominis (TA) muscle is the deepest of the abdominal muscles.