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Pectoralis major: The largest of the chest muscles that lies under the breast bone and assists in the bending, straightening and rotation of the arm at the shoulder joint. ... 5 chest stretches.
The pectoralis major (from Latin pectus 'breast') is a thick, fan-shaped or triangular convergent muscle of the human chest. It makes up the bulk of the chest muscles and lies under the breast . Beneath the pectoralis major is the pectoralis minor muscle .
The pectoralis major, the larger of the two chest muscles, is responsible for movements such as pushing, lifting and rotating the arm. Exercises like pushups , chest presses and chest flys ...
If you love chest workouts, or sit hunched over a computer all day, your chest may be tight. Here are the 4 best chest stretches to loosen up.
The push-up requires the work of many muscle groups, with one of the primary muscle groups being the chest muscles, the pectoralis major and the minor. [7] These are the two large chest muscles and the main pushing muscle group of the upper body. When pushing and lowering the body during a push-up, the pectoralis major is doing most of the work.
Flyes are used to work the muscles of the upper body, primarily the sternal head of the pectoralis major. Because these exercises use the arms as levers at their longest possible length, the amount of weight that can be moved is significantly less than equivalent press exercises for the same muscles (the military press and bench press for the ...
Pullovers can be made to affect either the chest or the back depending on how wide the grip is (barbell) and the position of the shoulders. A research done on the pullover movement using a barbell suggested more effect on the pectoralis major muscle as compared to the latissimus dorsi. [2]
Additionally, stretching the chest muscles and strengthening the back muscles can also help improve posture. [47] Exercises that strengthen the back muscles include rows, pull-ups, and shoulder blade squeezes. Exercises like doorway stretches for the chest can help stretch out tension that contributes to rounded shoulders.