The pectoralis major muscle is a large muscle in the upper chest, fanning across the chest from the shoulder to the breastbone. The two pectoralis major muscles, commonly referred to as the ‘pecs,’ ...

2 Department of Anatomy, University of Stellenbosch, Plattekloof, Cape Town, South Africa Correspondence to: Dr D N Bhatia Cape Shoulder Institute, Suite no 4, Medgroup Anlin House, 43 Bloulelie ...

South Carolina Gamecocks running back MarShawn Lloyd lifts weights during a workout. Weightlifters have to watch out for an injury to the pectoralis major muscle. Jeff Blake The State Q. I was working ...

A torn pectoralis major muscle, or pec muscle, is an injury that many of us have probably not heard of. But it's a serious injury striking boxers, pro wrestlers, body builders and even a growing ...

The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury. Muscles, ...