People with home safety concept https://www.rawpixel.com/image/387089/home-safetyView licensePeople with home safety concept https://www.rawpixel.com/image/386930/free-photo-image-first-aid-wound-knee-painView licensePeople with home safety concept https://www.rawpixel.com/image/386968/free-photo-image-knee-band-aid-firstView licenseSpraying cooling spray on a football players knee https://www.rawpixel.com/image/528922/free-photo-image-sport-knee-pain-injuryView licensePerson getting injured by falling down https://www.rawpixel.com/image/427550/free-photo-image-broken-accident-injuries-and-accidentsView licenseAfrican american woman injured her knee https://www.rawpixel.com/image/427840/worksite-injuryView licenseAfrican man having a leg pain https://www.rawpixel.com/image/387162/free-photo-image-accident-worker-kneeView licensePeople with home safety concept https://www.rawpixel.com/image/386928/free-photo-image-sore-knee-pain-accidentView licenseLittle boy scraped his leg while playing https://www.rawpixel.com/image/431146/premium-photo-image-bruise-kid-cry-injuredView licenseFriern Hospital, London: a child's legs and feet viewed from the knee down. Photograph, 1890/1910. https://www.rawpixel.com/image/14001885/photo-image-hand-person-hospitalFree Image from public domain licenseThe legs of a child, showing deformity in the bones, particularly around the knee. Photograph by E. Peers. https://www.rawpixel.com/image/14007471/photo-image-face-hand-personFree Image from public domain license