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The best pec workouts for a stronger and well-defined chest
The pectoralis major has two heads: the sternocostal head and the clavicular head. These two heads help you move your arms in different directions, and as one head contracts, the other relaxes.
No, not push-ups — trainer says you need these 3 exercises for a chest building lower pec workout
According to Gonzalez, the pectoralis major, commonly referred to as the chest muscle, is composed of two main heads: the ...