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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 ...
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.
Targeting the upper chest, the incline barbell bench press emphasizes the clavicular head of the pectoralis major for a well-rounded chest development. Set an incline bench to a 30 to 45-degree angle.
Beneath the pectoralis major is the pectoralis minor muscle. The pectoralis major arises from parts of the clavicle and sternum , costal cartilages of the true ribs , and the aponeurosis of the abdominal external oblique muscle ; it inserts onto the lateral lip of the bicipital groove .
The bench press or chest press is a weight training exercise where a person presses a weight upwards while lying horizontally on a weight training bench. The bench press is a compound movement, with the primary muscles involved being the pectoralis major, the anterior deltoids, and the triceps brachii. Other muscles located in the back, legs ...
Dip exercise using a dip bar. A dip is an upper-body strength exercise.Close grip dips primarily train the triceps, with major synergists being the anterior deltoid, the pectoralis muscles, and the rhomboid muscles of the back. [1]
The pectoralis major is the larger of the two, sitting on top of the smaller pectoralis minor. The pectoralis major adducts the arm , meaning it moves the limb in towards the midline of the body ...
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.