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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 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 ...
Deep muscles of the chest, including pectoralis minor, serratus anterior, and subclavius (Gray 1918) Pectoralis major is a thick, fan-shaped or triangular convergent muscle, which makes up the bulk of the chest muscle. It lies under the breast. It serves to flex, extend, and rotate the humerus, the long bone of the upper arm. Pectoralis minor ...
The chest is made up of 4 muscles: 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 ...
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. A Physical Therapist Shares 4 Essential Chest Stretches
An X-ray of a human chest area, with some structures labeled. The contents of the thorax include the heart and lungs (and the thymus gland); the major and minor pectoral muscles, trapezius muscles, and neck muscle; and internal structures such as the diaphragm, the esophagus, the trachea, and a part of the sternum known as the xiphoid process.
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. A Physical Therapist Shares 4 Essential Chest Stretches
The muscles of respiration are the muscles that contribute to inhalation and exhalation, by aiding in the expansion and contraction of the thoracic cavity. The diaphragm and, to a lesser extent, the intercostal muscles drive respiration during quiet breathing. The elasticity of these muscles is crucial to the health of the respiratory system ...
Regularly stretching muscles in the shoulders, chest and back can improve your range of motion, making everyday tasks like reaching, lifting and twisting easier. Stretching can also reduce the ...