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.

Tipo Muscle
Sistema corporal Muscular
Região corporal Thorax
Estrutura pai muscle of shoulder
Nome latino Musculus pectoralis major
FMA ID 9627

Função

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

Significado clínico

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.

Perguntas frequentes

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.

Estruturas relacionadas

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

Aviso médico

Este conteúdo é apenas para fins educacionais e informativos. Não se destina a substituir aconselhamento médico profissional, diagnóstico ou tratamento. Sempre busque o conselho do seu médico ou outro profissional de saúde qualificado para qualquer dúvida que você possa ter sobre uma condição médica. Nunca desconsidere o aconselhamento médico profissional ou demore a buscá-lo por causa de algo que você leu neste site.