Pectoralis Major
Pectoralis major is the largest and most superficial of the two chest muscles. Pec major and the anterior fibres of Deltoid work closely together. Pec-fly
Shoulder
Deltoid
The deltoid muscle is used in all side lifting movements and any movement of the humerus on the scapula. It is divided into three portions,
Supraspinatus
The Supraspinatus muscle is one of the four muscles which make up the rotator cuff. Its main function is to stabilise the upper arm by
Teres Major
Teres major is only functional when the Rhomboids fix the scapula. This muscle mainly helps the Latissimus dorsi.
Teres Minor
Teres Minor is one of the four rotator cuff muscles surrounding the shoulder. Its main action, along with Infraspinatus is to externally rotate the shoulder
Infraspinatus
The Infraspinatus muscle is one of the four rotator cuff muscles crossing the shoulder joint and is commonly injured. It is the main external rotator
Latissimus dorsi
The Latissimus dorsi muscle is one of the largest in the body. It is a powerful extensor muscle of the arm and is used extensively
Subscapularis muscle
The subscapularis muscle is one of the four rotator cuff muscles. It is hidden behind the rib cage on the underside of the scapula or
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Shoulder joint muscle
The shoulder has a huge range of movement compared to the hip, or other joints. The shoulder muscles enable the following movements:
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