PECTORALIS

MINOR

• Origin

Third to fifth ribs near their costochondral junctions

• Insertion

Coracoid process of scapula

• Agonist(s)

- None

• Antagonist(s)

- Serratus anterior

• Function

Stabilizes scapula; assists in protraction and depression of scapula

TRIGGER POINT(S)

• Location

Trigger points can be found along the length of the muscle.

• Pain Referral Pattern

Pain may refer to the anterior chest, shoulder, and down the arm.

It can cause aching, burning, or sharp pain in the anterior shoulder region, and may contribute to discomfort or restricted movement in the shoulder and arm.

• Potential Causes

• Overuse or repetitive activities involving the chest and shoulder, such as weightlifting, push-ups, or sports activities.

• Poor posture, especially slouching or rounded shoulders.

• Muscle imbalances between the pectoralis minor and other shoulder muscles.

• Trauma or injury to the chest or shoulder area.

• Prevention Tips

• Use proper techniques and form during chest and shoulder exercises to avoid overloading the pectoralis minor.

• Incorporate regular stretching and strengthening exercises for the chest and shoulder muscles.

• Ensure proper warm-up and cooldown routines before and after exercise.

• Maintain good posture and ergonomics during daily activities.

• Ensure balanced strength training to avoid muscle imbalances.