The serratus anterior muscle is located on the lateral aspect of the chest wall, covering the upper and middle ribs. It is a fan-shaped muscle that spans from the upper eight or nine ribs to the scapula.

Origin:
Originating from the outer surfaces of the upper eight or nine ribs, the serratus anterior takes its starting point from the bony structures of the ribcage.

Insertion:
The muscle inserts into the anterior surface of the medial border of the scapula, extending from the superior angle to the inferior angle. This insertion site establishes a connection with the shoulder blade.

Function:
Functionally, the serratus anterior is crucial for the stability and movement of the scapula. It plays a key role in protracting and rotating the scapula, allowing the arm to be lifted overhead. Additionally, the muscle contributes to the control and positioning of the scapula during activities like pushing, punching, or lifting. The serratus anterior is instrumental in maintaining proper scapular mechanics and shoulder function, playing a role in overall upper limb movement and stability.

Best Exercises for the Serratus Anterior
The serratus anterior is responsible for scapular protraction and stabilization, helping to move the shoulder blade forward and maintain proper shoulder mechanics. It plays a key role in pressing and overhead movements.

Primary Exercises
Push-up

Supporting Movements
Bench Press
Incline Presses
Decline Presses

How to Emphasize the Serratus Anterior
Focus on pushing the shoulder blades forward at the top of the movement
Maintain stable shoulder positioning throughout the exercise
Avoid allowing the shoulder blades to collapse inward
Control both the pressing and return phases to maintain engagement

Explore Exercise Technique and Execution
Each exercise listed above includes a full breakdown of proper form, muscle involvement, biomechanics, and safety considerations. Select an exercise to learn how to train the upper body effectively.