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  1. www.kenhub.com › en › libraryUlnar nerve: Origin, course, branches and innervation | Kenhub

    5 lip 2023 · The superficial branch of the ulnar nerve supplies sensory innervation to the anterior aspect of the ulnar 1½ digits (little finger and half of the ring finger) and medial palmar skin. Additionally, it provides motor innervation to the palmaris brevis muscle in the hypothenar region of the hand.

  2. www.kenhub.com › en › libraryInterphalangeal joints of the hand: Bones, ligaments, mov -...

    30 paź 2023 · Innervation. The interphalangeal joints of the hand receive innervation from the proper palmar digital nerves, arising from both the median and ulnar nerves. Specifically, digits 1-3 and the lateral half of digit 4 are innervated by the median nerve, while the medial half of digit 4 and the entirety of digit 5 are innervated by the ulnar nerve.

  3. www.kenhub.com › en › libraryHand Anatomy: Bones, muscles, arteries and nerves | Kenhub

    13 lis 2023 · The ulnar nerve enters the hand under the superficial part of the flexor retinaculum (in Guyon’s canal) after which it divides into the deep and superficial branches. The deep branch is mainly motor and supplies the hypothenar , interossei and medial two lumbricals muscles.

  4. www.orthobullets.com › anatomy › 10108Ulnar nerve - Anatomy - Orthobullets

    21 paź 2016 · the internal anatomy of the ulnar nerve explains the predominance of hand symptoms in cubital tunnel syndrome . fibers to FCU and FDP are central and hand intrinsic fibers are peripheral; Ulnar tunnel syndrome . compression in Guyon’s Canal . no involvement of dorsal cutaneous nerve since it branches before canal

  5. teachmeanatomy.info › upper-limb › nervesThe Ulnar Nerve - Course - Motor - Sensory - TeachMeAnatomy

    4 paź 2024 · Dorsal cutaneous branch – innervates the dorsal surface of the medial one and a half fingers, and the associated dorsal hand area. At the wrist, the ulnar nerve travels superficially to the flexor retinaculum, and is medial to the ulnar artery. It enters the hand via the ulnar canal (Guyon’s canal).

  6. www.hand.theclinics.com › article › S0749-0712(07)00053-4Ulnar Nerve Anatomy - Hand Clinics

    Abstract. The anatomy of the ulnar nerve is described from its origin at the brachial plexus to its termination in the hand and digits. The critical anatomy surrounding the cubital tunnel and Guyon canal is emphasized, and clinically relevant anatomic variations, muscle anomalies, and peripheral nerve anastomoses are described.

  7. link.springer.com › content › pdfAnatomy and Biomechanics of the Wrist and Hand - Springer

    the ulnar nerve and artery. The complex articulation of the wrist joint permits the complex three-dimensional movements of the hand relative to the forearm (Kijima and Viegas 2009; Nichols et al. 2013). Bones. The skeleton of the hand and wrist consists of 27 bones, 8 carpals, 5 metacarpals, and 14 phalanges.