Pectoralis major

Musculus pectoralis major

A large, fan-shaped muscle of the anterior chest wall. It has clavicular and sternocostal heads originating from the clavicle, sternum, and upper costal cartilages. The fibers converge to insert on the lateral lip of the intertubercular sulcus of the humerus.

Тип Muscle
Система органов Muscular
Область тела Thorax
Родительская структура muscle of shoulder
Латинское название Musculus pectoralis major
FMA ID 9627

Функция

A powerful adductor, flexor, and medial rotator of the arm at the shoulder. Essential for pushing movements, climbing, and arm-swinging activities.

Клиническое значение

Pectoralis major rupture occurs during heavy bench pressing. Poland syndrome involves congenital absence of the pectoralis major. The muscle is used in pectoralis major flap reconstructive surgery.

Часто задаваемые вопросы

What is the Pectoralis major?
A large, fan-shaped muscle of the anterior chest wall. It has clavicular and sternocostal heads originating from the clavicle, sternum, and upper costal cartilages. The fibers converge to insert on the lateral lip of the intertubercular sulcus of the humerus.
What is the function of the Pectoralis major?
A powerful adductor, flexor, and medial rotator of the arm at the shoulder. Essential for pushing movements, climbing, and arm-swinging activities.
What body system is the Pectoralis major part of?
The Pectoralis major is part of the Muscular.
What conditions affect the Pectoralis major?
Pectoralis major rupture occurs during heavy bench pressing. Poland syndrome involves congenital absence of the pectoralis major. The muscle is used in pectoralis major flap reconstructive surgery.
Where is the Pectoralis major located?
The Pectoralis major is located in the Thorax region of the body.

Связанные структуры

musculature muscle group tendon sheath synovial tendon sheath skeletal system set of all bones and joints orbital septum septum orbitale iliopsoas Hyrtl's muscle myocardium cardiac muscle conducting system of heart cardiac conducting system long head of biceps brachii capus longum of biceps brachii

Медицинский отказ от ответственности

Данный контент предназначен исключительно для образовательных и информационных целей. Он не предназначен для замены профессиональных медицинских консультаций, диагностики или лечения. Всегда обращайтесь за советом к своему врачу или другому квалифицированному медицинскому работнику по любым вопросам, связанным с состоянием вашего здоровья. Никогда не игнорируйте профессиональные медицинские советы и не откладывайте их получение из-за того, что вы прочитали на этом сайте.