SERRATUS ANTERIOR

• Origin

 

Ribs 1-8 or 9

 

• Insertion

 

Anterior surface of medial border of scapula

 

• Agonist(s)

 

- Pectoralis minor

- Subclavius

 

• Antagonist(s)

 

- Rhomboids

- Trapezius

 

• Function

 

Protracts and stabilizes the scapula, rotates the scapula superiorly

 

TRIGGER POINT(S)

 

 

• Location

 

Trigger points in the serratus anterior are typically located along the muscle's attachments to the ribs, particularly the lower ribs (ribs 6-9), near the mid-axillary line.

 

 

• Pain Referral Pattern

 

Pain often refers to the side of the chest, down the arm, and sometimes to the area below the scapula.

 

Pain may also wrap around the ribcage towards the front.

 

Pain Pattern

Image Component

 

• Potential Causes

 

 Repetitive overhead activities or heavy lifting.

 

 Poor posture, especially with slouched shoulders.

 

 Trauma or direct impact to the ribcage.

 

 Chronic coughing or respiratory issues.

 

 Imbalance in shoulder and chest muscles.

 

 

• Prevention Tips

 

 Maintain proper posture and avoid prolonged slouching.

 

 Perform regular stretching and strengthening exercises for the chest and shoulder muscles.

 

 Avoid repetitive strain by using proper techniques and taking breaks.

 

 Address respiratory issues and practice deep breathing exercises.

 

 Use supportive equipment and proper form during overhead activities.