Introduction
The shoulder is the joint that has the largest range of motion
(ROM) in the human body. It can perform such movements indicates that rotator cuff tear has an incidence as high as
34% in the elderly and is an increasingly important factor in
shoulder-related disabilities (Tang et al. 2003, Koo et al.
2010). The most commonly damaged structure in rotator cuff
tears, which primarily affect the abduction motion of the
shoulder, is the supraspinatus tendon (Ward et al. 2006,
Mochizuki et al. 2009). As a result of damage to the rotator
cuff, the shoulder joint’s range of motion may be reduced,
impacting the individual’s ability to perform routine activities
such as eating, bathing and dressing. This can greatly affect
quality of life (Boissonnault et al. 2007).