SHOULDER IMPINGEMENT SYNDROME The rotator cuff muscles are susceptible to cumulative/overuse injury. One of the leading causes of cumulative injury is poor posture and muscular imbalances, which disrupt the normal biomechanics of the shoulder, leading to alteration in the position of the humerus within the shoulder blade during arm movements. The main rotator cuff muscle,… Read more »
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Piriformis Syndrome
PIRIFORMIS SYNDROME The piriformis muscle is located in the gluteal/buttock region at the back of the pelvis. Anatomically, this muscle originates from the front of the sacrum and inserts onto the hip. Its main actions are to rotate the hip outwards (laterally) when the hip is bent to less than ninety degrees and to rotate… Read more »