Shoulder Abduction


Shoulder abduction is a lateral movement at the shoulder (glenohumeral) joint – moving the upper arm up to the side away from the body – see Figure 1.

In anatomical terminology, a lateral movement is one that moves part of the body further from (lateral to) the midline of the body.

Shoulder Abduction

Figure 1. Shoulder Abduction.

The key muscles involved in this movement are the anterior and lateral deltoid, the clavicular head of the pectoralis major, and the supraspinatus.  The clavicular head of the pectoralis major also plays a weak role.

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Internal and External Rotation of the Arms in the Golf Swing


Golf Anatomy and Kinesiology, a collection of articles describing the roles of the muscles involved in the golf swing.

The Role of the Deltoids in the Golf Swing

The Role of the Pectoralis Major Muscle in the Golf Swing

Supraspinatus muscle


Introduction to the Swing like a Champion System.

Overview of a Great Golf Swing which summarises the correct movements in a great golf swing.


» Golf swing instruction home page.

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