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Finger Joints Each finger consists of a metacarpal and three phalanges (diagram 2). The length of the fingers varies as do the phalanges to allow the tips to converge in full grip. Metacarpophalangeal Joint (MCP joint) This joint lies between the metacarpal head and proximal phalanx base. These condyloid joints allow flexion, extension,
13 lis 2023 · Going from lateral to medial, they are named thumb (digit 1), index finger (digit 2), middle finger (digit 3), ring finger (digit 4) and little finger (digit 5). This article will describe the anatomy and functions of the phalanges of hand.
31 mar 2024 · The metacarpal bones articulate proximally with the carpals, and distally with the proximal phalanges. They are numbered, and each is associated with a digit: Metacarpal I – thumb. Metacarpal II – index finger. Metacarpal III – middle finger. Metacarpal IV – ring finger. Metacarpal V – little finger.
30 paź 2023 · The interphalangeal joints of the hand are synovial hinge joints that span between the proximal, middle, and distal phalanges of the hand. In digits 2-5 these joints can be further classified based on which bones are involved.
The phalanges are fourteen in number, three for each finger, and two for the thumb. Each consists of a body and two extremities. The body tapers from above downward, is convex posteriorly, concave in front from above downward, flat from side to side; its sides are marked by rough which give attachment to the fibrous sheaths of the Flexor tendons.
2 sie 2023 · Phalanges (singular: phalanx) are the set of 14 hand bones that compose the bony skeleton of the fingers. Each finger has three phalanges, called proximal, middle and distal. The thumb is an exception, having only two phalanges, proximal and distal.
Phalanges. There are 7 bones forming the fingers in each hand. Based on their location, they are referred to as: Proximal phalanx. Middle phalanx. Distal phalanx. The index to little finger have 3 phalanges each, while only two are in each thumb. Joints and Articulations. Radiocarpal joint: Between the radius and the carpals.
