the knee is the largest and most complex joint in the body, holding together the thigh bone, shin bone, fibula

chest neck upper arm wrist phalanx bone knee ankle arch foot elbow spine sternum lower limb human shoulder blade biology anatomy disease rib vault footprint orthopaedic shoe calcaneus tarsal bones metatarsal fibula leg muscle orthopaedics limbs appendicular skeleton femur kneecap pelvic girdle sacrum basin pubis hip joint marrow skull cervical vertebrae rotation vertebra largest complex body holding together thigh shin outer side rendering