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  2. Ulnar nerve - Wikipedia

    en.wikipedia.org/wiki/Ulnar_nerve

    Sensory deficit: Loss of sensation or paresthesiae in ulnar half of the palm, and the medial 1½ digits on the palmar aspect of the hand, with dorsal sparing. The dorsal aspect of the hand is unaffected as the posterior cutaneous branch of the ulnar nerve is given off higher up in the forearm and does not reach the wrist.

  3. Ulnar neuropathy - Wikipedia

    en.wikipedia.org/wiki/Ulnar_neuropathy

    Ulnar neuropathy is a disorder involving the ulnar nerve. Ulnar neuropathy may be caused by entrapment of the ulnar nerve with resultant numbness and tingling. [3] It may also cause weakness or paralysis of the muscles supplied by the nerve. Ulnar neuropathy may affect the elbow as cubital tunnel syndrome.

  4. Cubital tunnel syndrome - Wikipedia

    en.wikipedia.org/wiki/Cubital_tunnel_syndrome

    Cubital tunnel syndrome is an entrapment neuropathy, or nerve compression syndrome, a condition caused by compression, traction or friction, of the ulnar nerve at the elbow. [1] Nerve compression is also known as a trapped nerve. The ulnar nerve travels from the shoulder (brachial plexus) down the length of the arm to the hand.

  5. Ulnar neuropathy at the elbow - Wikipedia

    en.wikipedia.org/wiki/Ulnar_neuropathy_at_the_elbow

    Ulnar neuropathy at the cubital tunnel is diagnosed based on characteristic symptoms and signs. Intermittent or static numbness in the small finger and ulnar half of the ring finger, weakness or atrophy of the first dorsal interosseous, positive Tinel sign over the ulnar nerve proximal to the cubital tunnel, and positive elbow flexion test (elicitation of paresthesia in the small and ring ...

  6. Hereditary neuropathy with liability to pressure palsy

    en.wikipedia.org/wiki/Hereditary_neuropathy_with...

    De Jong (1947) first described HNPP in a Dutch family. Dyck and Lambert (1968) showed nerve conduction studies, and Chance et al. (1993) detected the chromosome deletion in most of the individuals with the HNPP condition. [2] [11] [14]

  7. Ulnar tunnel syndrome - Wikipedia

    en.wikipedia.org/wiki/Ulnar_tunnel_syndrome

    Ulnar tunnel syndrome may be characterized by the location or zone within the Guyon's canal at which the ulnar nerve is compressed. The nerve divides into a superficial sensory branch and a deeper motor branch in this area. Thus, Guyon's canal can be separated into three zones based on which portion of the ulnar nerve are involved.

  8. Sensory neuronopathy - Wikipedia

    en.wikipedia.org/wiki/Sensory_neuronopathy

    Nerve conduction studies will show absent or reduced sensory nerve conduction action potentials in the upper and lower limbs with preserved conduction velocity. [4] Motor nerve action potentials and conduction are usually unaffected, but in a subset of cases may have limited dysfunction. [ 2 ]

  9. Ulnar claw - Wikipedia

    en.wikipedia.org/wiki/Ulnar_claw

    A hand imitating an ulnar claw. The metacarpophalangeal joints of the 4th and 5th fingers are extended and the Interphalangeal joints of the same fingers are flexed.. An ulnar claw, also known as claw hand or Spinster’s Claw, is a deformity or an abnormal attitude of the hand that develops due to ulnar nerve damage causing paralysis of the lumbricals.