man with both palm around knee cap to show pain and injury on knee area,white background,joint pain, arthritis and tendons.

accident ache areawhite arm arthritis backgroundjoint both cap chiropractor chronic closeup cramp exercise female finger front hair hand health healthy holding human hurt illness inflammation injured injury joint knee leg man massaging medical medicine muscle orthopedic pain painful palm person physical recovery red rheumatoid shin show skin sore sport sprain tendon tendons therapy treatment woman young