The continual strain on your neck, shoulder and upper back muscles causes these muscles to tear (on a microscopic level). Your body tries to prevent this tearing by forcing these muscles to knot up.
Background Despite being a common cause of time loss, information regarding best practice for calf muscle strain injuries (CMSI) in sport is scarce. Objective To establish best practice for the ...
placing extra strain on your lower back, hips, and knees, says Carbone. “Over time these compensatory motions can become permanent as the muscles become contracted and result in a poor posture ...