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Fetlock is the common name in horses, large animals, and sometimes dogs for the metacarpophalangeal and metatarsophalangeal joints (MCPJ and MTPJ). Although it somewhat resembles the human ankle in appearance, the joint is homologous to the ball of the foot. In anatomical terms, the hoof corresponds to the toe, rather than the whole human foot.
X-ray of trapeziometacarpal joint replacement. Left hand of a 58-year-old woman. The joint can be replaced with artificial material. An artificial joint is also referred to as a prosthesis. Prostheses are more problematic at the trapeziometacarpal joint compared to joints like the knee or the hips.
The metacarpophalangeal joints (MCP) are situated between the metacarpal bones and the proximal phalanges of the fingers. [1] These joints are of the condyloid kind, formed by the reception of the rounded heads of the metacarpal bones into shallow cavities on the proximal ends of the proximal phalanges . [ 1 ]
A Jaipur foot in production. The Jaipur foot, also known as the Jaipur leg, is a rubber-based prosthetic leg for people with below-knee amputations.Although inferior in many ways to the composite carbon fibre variants, its variable applicability and cost efficiency make it an acceptable choice for prosthesis.
The anatomy and composition of the plantar plates are similar to the palmar plates in the metacarpophalangeal (MCP) and interphalangeal joints in the hand; the proximal origin is thin but the distal insertion is stout. Due to the weight-bearing nature of the human foot, the plantar plates are exposed to extension forces not present in the human ...
Besides the metacarpophalangeal joints, the metacarpal bones articulate by carpometacarpal joints as follows: the first with the trapezium; the second with the trapezium, trapezoid, capitate and third metacarpal; the third with the capitate and second and fourth metacarpals; the fourth with the capitate, hamate, and third and fifth metacarpals;
In medicine, joint locking is a symptom of pathology in a joint.It is a complaint by a person when they are unable to fully flex or fully extend a joint.. This term is also used to describe the normal mechanism of lower limb joints held in full extension without much muscular effort when a person is standing.
The narrowed part in the middle is referred to as the body or shaft of the bone. The bone is somewhat flatten giving it two surfaces; the plantar (towards the sole of the foot) and the dorsal side (the area facing upwards while standing). [1] These surfaces are rough for the attachment of ligaments. The bone is curved longitudinally, so as to ...