pain in the shoulder muscle of southeast asian man. concept of nuchal rigidity

accident injury spondylosis arthralgia torn cervical joints trapezius osteoarthritis nape joint tendonitis strain scapular shoulder sprain stiffness muscle spasm accidental muscles old rigidity elder bursitis man ligaments tendinitis nuchal back muscular painful ligament rigid bone tennis tendons arthritis ache disease neck spondylitis frozen pain tendon aches problem stiff aching trauma spastic