Knee pain, 3D human anatomy illustration AI generated image https://www.rawpixel.com/image/11973827/image-person-illustration-generatedView licenseBones of the lower limb, knee and foot: four figures. Coloured stipple engraving, 1817/1823. https://www.rawpixel.com/image/13967934/image-paper-person-skeletonFree Image from public domain licenseThe left and right knee-joints of Frank Burgess, probably a soldier in the South African War, after excision of the left… https://www.rawpixel.com/image/14015323/photo-image-person-hospital-public-domainFree Image from public domain licenseAnatomy: a dissection of the thorax showing the pleural cavity and lung, viewed from the right. Photograph, ca. 1900. https://www.rawpixel.com/image/14017388/photo-image-hand-person-artFree Image from public domain licenseA knee joint, viewed through x-ray. Photoprint from radiograph after Sir Arthur Schuster, 1896. https://www.rawpixel.com/image/14008728/photo-image-background-paper-shadowFree Image from public domain licenseThe bones of a knee joint of a boy, viewed through x-ray. Photoprint from radiograph after Sir Arthur Schuster, 1896. https://www.rawpixel.com/image/13997279/photo-image-face-shadow-personFree Image from public domain license