His family physician diagnosed his injury as a muscle strain that ... Mark's signs and symptoms are typical of a ruptured muscle -- the pectoralis major. Rupture of the pectoralis major is an ...

Injury to the pectoralis major muscle is usually caused by a sudden forceful overload of the maximally contracted muscle. This is different from the attritional ruptures associated with the rotator ...

Pectoralis major rupture is a rare injury. Roughly 144 cases have been reported in the ... Wolf et al, 5 in 1992, reviewed 12 patients with 14 ruptures of the pectoralis major muscle. This represents ...

This may include the latissimus dorsi, teres major, and pectoralis major muscles ... may be more likely to experience muscle pulls and strains. In these cases, the pain should go away over ...