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Deltoïde vs Pectoralis major

Propriété Deltoïde Pectoralis major
Nom latin Musculus deltoideus Musculus pectoralis major
Type Muscle Muscle
Système corporel Musculaire Musculaire
Région corporelle Épaule Thorax
Fonction Le principal abducteur de l'articulation de l'épaule. Les fibres antérieures fléchissent et font tourner médialement le bras. Les fibres postérieures étendent et font tourner latéralement le bras. Il donne à … A powerful adductor, flexor, and medial rotator of the arm at the shoulder. Essential for pushing movements, climbing, and arm-swinging activities.
Signification clinique La paralysie du deltoïde par lésion du nerf axillaire empêche l'abduction du bras. Le deltoïde est un site fréquent d'injections intramusculaires. Les ruptures de la coiffe des rotateurs peuvent entraîner … 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.
FMA ID 32521 9627
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Full structure pages

Deltoïde

Musculus deltoideus

Thick and triangular, the deltoid caps the shoulder joint and gives the shoulder its rounded contour. It is the primary abductor of the joint; its anterior fibers flex and medially rotate the arm, while its …

Musculaire Épaule

Pectoralis major

Musculus pectoralis major

A fan-shaped muscle of the anterior chest wall, the pectoralis major acts as a powerful adductor, flexor, and medial rotator of the arm at the shoulder, and is essential to pushing movements, climbing, and arm-swinging …

Musculaire Thorax