Fractured your collar bone? Sore or tight shoulder? Told you have a problem with your rotator cuff? Try using a pulley! The shoulder joint (glenohumeral joint) is a very mobile joint and requires a lot of flexibility and active stability to maintain its position during movement. After an injury it is very common to have the shoulder joint immobilised or given a time of rest within a sling. During this time, stiffness around the joint can often build up as well as atrophy of t