Anatomy Of The Chest Muscles
This rotator cuff muscle helps raise and lower the arm. The muscles of the chest and upper back occupy the thoracic region of the body inferior to the neck and superior to the abdominal region and include the muscles of the shoulders.
Rotation of the shoulder.
Anatomy of the chest muscles. Navid pourtaheri md phd ms. The fibers of the pectoralis muscles run like a fan across the chest. These important muscles control many motions that involve moving the arms and head such as throwing a ball looking up at the sky and raising your hand.
Pulling your arm down from an overhead position. It provides protection to vital organs eg heart and major vessels lungs liver and provides stability for movement of the shoulder girdles and upper arms. Anatomy of the chest muscles.
In this article we shall look at the anatomy of the muscles of the pectoral region their attachments actions and innervation. The pecs attach to the humerus near the shoulder joint and originate on the breastbone in the center of the chest. This muscle group is responsible for pushing movements and interacts synergistically with the anterior deltoid of the shoulder and triceps of the arm.
Chest muscles are responsible for adduction internal rotation and forwards flexion of the humerus. Attached to the shoulder blade this muscle is one of many. The chest is part of a larger group of pushing muscles found in.
Pulling your arm across your body. All about the chest muscles function of the chest muscles. The pectoralis minor is a thin triangular muscle that.
The major muscles in the upper torso of the body include. The sternal head composes the middle and lower chest region is responsible for. This muscle extends across the neck shoulder and back.
Plus there are links to lots of other great anatomy quizzes. The pectoralis major pectoralis minor serratus anterior and subclavius. The pectoralis major muscles also known as the pecs are located on the front of the rib cage.
The pectoralis major is a large substantial fan shaped muscle. It contains four muscles that exert a force on the upper limb. Quizzes on the anatomy of the human muscular system including the locations and actions of all the main muscles of the head and neck the torso and the upper and lower limbs.
The chest wall is comprised of skin fat muscles and the thoracic skeleton. Thomas r gest phd more. The pectoral region is located on the anterior chest wall.
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