WebBony Anatomy [edit edit source] The hand and wrist have a total of 27 bones arranged to roll, ... is smaller and convex to articulate with the next bone in sequence. In order from the thumb, digits are also known as the … WebFeb 26, 2024 · The median nerve also provides sensory innervation to the dorsal aspect (nail bed) of the distal first two digits of the hand, the palmar aspect of the thumb, index, middle, and half of the ring finger, the palm, …
Hand Definition, Anatomy, Bones, Diagram, & Facts Britannica
WebHand. The human hand consists of a broad palm (metacarpus) with 5 digits, attached to the forearm by a joint called the wrist (carpus). Digits The four fingers on the hand are used for the outermost performance; these four digits can be folded over the palm which allows the grasping of objects. WebMar 28, 2015 · The hand can be considered in four segments: Fingers: Digits that extend from the palm of the hand, the fingers make it possible for humans to grip the smallest … caverion osake tänään
Thumb anatomy Britannica
WebThe middle finger MCP joint is the most common finger (it can happen to any finger) to have a radial sagittal band injury. This results in the extensor tendon snapping to the pinky side of the hand. Carpometacarpal Joint (CMC Joint) The middle finger CMC joint has little motion. Injuries and problems with this joint are uncommon. WebApr 12, 2024 · Repair of the zone II flexor tendon of the hand using minimal incisions is successful with good results which will improve the outcome of the repair. Flexor tendon laceration in the hand is a common injury with unique characteristics owing to the anatomy of flexor tendons contained within a flexor sheath, requiring good surgical technique as ... WebAug 12, 2024 · It is one of the extrinsic muscles of the hand. Summary. origin. humeroulnar head: medial epicondyle of the humerus and coronoid process of the ulna; radial head: diaphysis of the radius; insertion: via four tendons into the volar aspect of the base of the middle phalanx of digits 2-5 (index, middle, ring and little fingers) caverion osake