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Hace 5 días · Each hand contains 27 distinct bones that give the hand an incredible range and precision of motion. The forearm's ulna and radius support the many muscles that manipulate the bones of the hand and wrist. Rotation of the radius around the ulna results in the supination and pronation of the hand.
Hace 5 días · Like all bones of the body, upper limb bones help the body to maintain homeostasis by storing minerals and fats and by producing blood cells in the red bone marrow. Learn about the anatomy and role of the bones of the arm and hand with Innerbody's interactive 3D model.
28 de jun. de 2024 · The phalanges (single: phalanx) of the hands are the tubular bones of the fingers and thumb. The second to fifth fingers each contain a proximal, middle and distal phalanx whereas the thumb only contains a proximal and distal phalanx.
Hace 5 días · The muscles of the hand can be broken down into three main regions: the thenar (lateral or thumb side of the palm), hypothenar (medial or little finger side of the palm) and intermediate (middle of the hand) muscles.
28 de jun. de 2024 · Nail, in the anatomy of humans and other primates, horny plate that grows on the back of each finger and toe at its outer end. It corresponds to the claw, hoof, or talon of other vertebrates. The nail is a platelike, keratinous, translucent structure that consists of highly specialized epithelial.
3 de jul. de 2024 · Fully labeled thumb MRI - Normal anatomy of the thumb: phalanx bones, ligaments with volar plates, thenar muscles, extensor and flexor mechanisms of the fingers, annular pulleys and synovial sheaths of the thumb.
24 de jun. de 2024 · Arthritis in the fingers and knuckles can be painful and may ultimately lead to a loss of function. View pictures and discover eight symptoms, such as stiffness.
