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13 Νοε 2023 · Nerves. Median nerve and its branches (common and proper palmar digital nerves) predominantly supply the thenar muscles. Radial nerve provides cutaneous innervation along the outside of the thumb. Ulnar nerve and its branches (superficial, deep and dorsal) innervate the hypothenar and metacarpal groups.
- Carpal Bones
The carpal bones (i.e. carpus) are eight irregularly-shaped...
- Dorsal
Dorsal interossei are bipennate (feather-like) muscles found...
- Carpal Bones
5 ημέρες πριν · These nerves control the forearm muscles that move the hands and fingers through tendons that pass through the wrist. Skin in the posterior forearm and extensor muscles of the hand and fingers are supplied by the branches of the radial nerve.
12 Ιουν 2023 · All three of these nerves are connected to many branches of smaller nerves that spread out into your hand and wrist. Hand and wrist tendons. Tendons link your muscles to your bones. They’re like strong, flexible ropes. Your hand and wrist have two groups of tendons:
16 Δεκ 2015 · The radial nerve supplies sensation to the radial 3 and a half fingers and dorsal surface of the hand through its dorsal sensory branch. For more information, see the Geeky Medics guide to the nerve supply of the upper limb .
3 Νοε 2023 · Dorsal interossei are bipennate (feather-like) muscles found in the dorsal compartment of the hand. The prefix bi- means that they arise by two heads which converge to attach onto a central tendon, which gives them a shape of a feather. The dorsal interossei consist of four muscles numbered 1–4 from the lateral to the medial side.
All of the nerves that travel to the hand and fingers begin together at the shoulder: the radial nerve, the median nerve, and the ulnar nerve. These nerves carry signals from the brain to the muscles that move the arm, hand, fingers, and thumb.
On the dorsal aspect of the wrist six osteofibrous tunnels can be distinguished (Fig. 9, see Standring, Fig. 50.14), which contain the tendon sheaths of the extensors of the wrist and fingers (Table 1) and the abductor of the thumb.
