There are many types of bone growths. If these growths are formed at the extremities as marginal growths due to deforming stresses or calcium metabolism disorders, they are called "marginal osteophytes".
Osteophytes of the knee joint provoke severe pain in the knee, almost unresponsive to the use of painkillers. The formation of osteophytes is associated with pathological changes in bone tissue.
Tendon contracture is a condition in which the bundles of fibrous tissue connecting muscle to bone, which transmit muscle force to bones and joints, lose elasticity and firmness, limiting joint movement
Dupuytren's contracture is a medical condition characterized by gradual contraction of the fascia (the tissue surrounding the tendons in the palm of the hand) and binding of the fingers of the hand, usually the fourth and fifth fingers.