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  1. Sep 30, 2021 · These muscles carry out their functions via their direct attachments to the bases of the proximal phalanges. In addition, many extensors carry out the movements via the extensor expansion of hand which covers the phalanges. There are a lot of muscles inserting into the phalanges of the hand.

    • Nutrient rami from palmar digital arteries
    • 7 min
    • Proximal, middle and distal phalanges
  2. Aug 16, 2020 · Phalanges (Distal) – The bones of the fingers. Each finger has three phalanges, except for the thumb, which has two. In this article, we shall look at the anatomical features of the bones of the hand.

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  4. Jul 16, 2019 · Inserting into the phalanges of the fingers, the extensor pollicis brevis (thumb), extensor pollicis longus (thumb), extensor indicis (index finger), extensor digitorum (middle and ring fingers), and extensor digiti minimi (little finger) muscles extend the digits to open the hand. The abductor pollicis longus muscle has the dual role of both ...

  5. The phalanges also create insertion points for various muscles that help with the flexion of the fingers and hand [15, 16]. Common Injuries and Associated Conditions Fracture and dislocation: These are the most common forms of injury to the phalanges, occurring due to direct stress or a blow to the hand, often during an accident or because of ...

    • Arthritis. Arthritis is loss of joint cartilage, often with inflammation, pain and stiffness. It can occur in many areas of the hand and wrist. Arthritis of the hand can be very painful.
    • Osteoarthritis. Osteoarthritis is one of the most common forms of arthritis in the hands. It may be caused by normal use of the hand. Or it may develop after an injury.
    • Carpal tunnel syndrome. With this condition, the median nerve is squeezed or compressed as it passes through the carpal tunnel in the wrist, a narrow confined space.
    • Ganglion cysts. Soft, fluid-filled cysts can develop on the front or back of the hand for no apparent reason. These are called ganglion cysts. They are the most common noncancer, soft-tissue tumor of the hand and wrist.
  6. Aug 31, 2010 · The human hand is made up of a total of 27 individual bones: 8 carpal bones, 5 metacarpal bones and 14 "finger bones" (also called phalanges) are connected by joints and ligaments. About one quarter of all our body’s bones are found in our hands. The hand can be divided up into three different areas based on the joints:

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