Shoulder Flexion


Shoulder flexion is a bending at the shoulder (glenohumeral) joint, resulting in a decrease of angle (flexion) – moving the upper arm upwards to the front – see Figure 1.

Shoulder Flexion

Figure 1. Shoulder Flexion.

The key muscles involved in this movement are the anterior and lateral deltoid, the clavicular head of the pectoralis major, and the coracobrachialis.  The short head of the biceps brachii also plays a 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


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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