Biceps Brachii
The Biceps brachii crosses both the elbow and shoulder joints. Its action on the shoulder joint is very weak flexion. It works most efficiently in
Shoulder flexion
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
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,
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
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:
Shoulder joint muscle Read More »