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  2. Mar 31, 2024 · The thumb has two phalanges, whilst the rest of the fingers have three. In this article, we shall look at the anatomy of the bones of the hand – their structure, articulations and clinical correlations.

    • Carpal Bones
    • Metacarpal Bones
    • Phalanges
    • Joints and Articulations

    The human wrist comprises 8 uniquely-shaped irregular bonesarranged in two rows, with the first four in the proximal row and the next four in the distal row. Here are their names: 1. Scaphoid 2. Lunate 3. Triquetrum 4. Pisiform 5. Trapezium 6. Trapezoid 7. Capitate 8. Hamate Together, these bones connect the lower arm to the hand and fingers as the...

    These bones form the middle part, the back of the hand or palm area. There are 5 metacarpal bones in the human body, with each of these long boneshaving a base, shaft, and head. Their proximal end articulates with the distal row of carpal bones. The first to the fifth metacarpal is associated with the respective finger, from the thumb to the little...

    There are 7 bones forming the fingers in each hand. Based on their location, they are referred to as: 1. Proximal phalanx 2. Middle phalanx 3. Distal phalanx The index to little finger have 3 phalanges each, while only two are in each thumb.

    Radiocarpal joint:Between the radius and the carpals Ulnocarpal Joint: Where the carpals articulate with the ulna. The above two articulations, together with the distal radioulnar joint (between the radius and ulna) form the wrist. Carpometacarpal (CMC) Joints: Between the carpals and the metacarpal bone. The CMC joint of the thumb has the greatest...

  3. Mar 20, 2015 · Each finger has a series of three bones (except for the thumb, which lacks the middle phalanx): Proximal phalanx: The longest of the three, this bone extends from the edge of the palm. It is...

  4. There are 3 major types of bones in the hand itself, including: Phalanges. The 14 bones that are found in the fingers of each hand and also in the toes of each foot. Each finger has 3 phalanges (the distal, middle, and proximal); the thumb only has 2. Metacarpal bones.

  5. Jun 12, 2023 · Hand bones. There are 19 bones in each of your hands. They’re grouped together by their location and function: Metacarpals: The bones that are in your palm and give it its shape. Phalanges: The individual bones that make up the segments of your fingers and thumb. Sesamoids: Small bones embedded in your tendons that help them move smoothly ...

  6. Nov 13, 2023 · Arteries & veins. Wrist anatomy. Sources. Related articles. + Show all. Bones. The bones of the hand can be divided into three distinct groups: Carpals. Metacarpals. Phalanges.

  7. Jan 17, 2023 · Each hand consists of 27 bones, divided between the wrist bones (carpals), the palm bones (metacarpals), and the finger bones (phalanges). Learning Objectives. Describe the types of bones in the hand.

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