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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. 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).

  3. 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

  4. teachmeanatomy.info › encyclopaedia › dDorsal Branch of the Ulnar Nerve - Branches - TeachMeAnatomy

    8 paź 2024 · The dorsal branch of the ulnar nerve arises approximately 5cm proximal to the wrist joint. It travels posteriorly, passing underneath the flexor carpi ulnaris. It then pierces the deep fascia to enter the dorsal and ulnar aspect of the hand.

  5. biologyinsights.com › ulnar-nerve-key-to-hand-muscle-function-and-coordinationUlnar Nerve: Key to Hand Muscle Function and Coordination

    10 paź 2024 · The ulnar nerve is significant in the innervation of hand muscles, especially those responsible for intricate movements. Originating from the brachial plexus, it travels through the arm into the hand, innervating several intrinsic muscles crucial for finger movements.

  6. teachmeanatomy.info › upper-limb › nervesNerves of the Upper Limb - TeachMeAnatomy

    The ulnar nerve is formed from roots C8 and T1, it innervates most of the intrinsic muscles of the hand and 2 muscles in the anterior forearm. It provides sensory innervation to the little finger and part of the ring finger, as well as the medial palmar area.

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

    The anatomy of the ulnar nerve in the upper extremity is complex because of its passage through various confined spaces. Knowledge of the local, often variable, anatomy is essential for accurate diagnosis and successful treatment of ulnar nerve dysfunction.