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Middle portion of upward motion
13%
549/4143
Point of maximum elevation
2%
83/4143
During downward deceleration
77%
3174/4143
When bar is touching chest
7%
289/4143
No difference in rupture rate is seen
1%
29/4143
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Pectoralis major (PM) injuries are most commonly seen in young males, usually athletes involved with heavy lifting or weight training. Injury most commonly occurs when the weight is taken down, and eccentric contraction of the PM during the braking motion prevents the weight from falling down. Diagnosis is often made clinically, but MRI is the imaging modality of choice to accurately assess the site and extent of the rupture. The most common types of injuries of the pectoralis major muscle are the tendon avulsions at the site of insertion followed by myotendinous junction tears. Surgical repair provides the best outcomes in patient satisfaction, strength, cosmesis and return to competitive sports. Any complete tear of the tendon or myotendinous junction should be surgically repaired. Non-surgical treatment is only recommended for elderly, sedentary patients. The referenced article by Petilon et al reviews these injuries and their treatment.
3.3
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