knee pain, man suffering from ache and doing self-massage at home

accident ache acute arthritis body broken care chiropractor chronic condition cramp discomfort enhanced fitness healthy home hurt illness inflammation injury joint knee leg lying male man masculine massage massaging medical medicine muscle osteoarthritis pain painful patella people physical pressure rheumatism rheumatoid self self-massage self-soothing sore sprain strain stretching suffering symptom syndrome tendon therapy tired