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,
External rotation of the shoulder
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
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 »