Your pectoralis major is a large and powerful chest muscle that’s shaped like a fan. It starts from two sections: your breastbone (sternum) and your collarbone (clavicle). The two sections come ...
Dr A C Pochini, Federal University of Sao Paulo, Brazil; apochini{at}uol.com.br A powerlifting athlete ruptured his left tendon of the pectoralis major muscle while attempting to lift 160 kg in a ...
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