During breathing, the external intercostals elevate the ribs while the internal intercostals depress the ribs and decrease the ... of the chest, arms, and torso, or with deep breathing. Chest pain ...

The latissimus dorsi is the broadest muscle of the back. It extends from the top of the hip to the lower six ... in the upper arm that forms the ball of the ball-and-socket shoulder joint -- at the ...

A calf strain is an injury to the muscles of the back of the lower leg. These injuries are most often caused by minor tears of muscle fibers. Usually, the bulk of the muscle tissue remains intact.

Common causes include poor posture, muscle strain, injury ... a popular yoga posture that stretches the lower back, hips, and ...

We suggest that sleep disturbances may modify the association between high strain and troublesome NSAP. This study adds new information to the limited knowledge about factors of importance for the ...