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  2. Ulnar neuropathy - Wikipedia

    en.wikipedia.org/wiki/Ulnar_neuropathy

    The sensory changes can be a feeling of numbness or a tingling, pain rarely occurs in the hand. Complaints of pain tend to be more common in the arm, up to and including the elbow area, which is probably the most common site of pain in an ulnar neuropathy. [1] [2]

  3. 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 ...

  4. Neuroanatomy of handedness - Wikipedia

    en.wikipedia.org/wiki/Neuroanatomy_of_handedness

    The human brain's control of motor function is a mirror image in terms of connectivity; the left hemisphere controls the right hand and vice versa. This theoretically means that the hemisphere contralateral to the dominant hand tends to be more dominant than the ipsilateral hemisphere, however this is not always the case [ 2 ] and there are ...

  5. Gerstmann syndrome - Wikipedia

    en.wikipedia.org/wiki/Gerstmann_syndrome

    Gerstmann syndrome is typically associated with damage to the inferior parietal lobule of the dominant hemisphere. It is classically considered a left-hemisphere disorder, although right-hemisphere damage has also been associated with components of the syndrome. [2] It is named after Jewish Austrian-born American neurologist Josef Gerstmann. [3]

  6. Why Is There Pain in My Left Arm, and Does It Signal ... - AOL

    www.aol.com/lifestyle/why-pain-left-arm-does...

    Left arm pain can happen after an injury or pinched nerve. But in some cases, it could be an early indicator of a heart problem. Here’s what you need to know.

  7. Dermatome (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Dermatome_(anatomy)

    When the general visceral sensory fiber is stimulated, the central nervous system does not clearly discern whether the pain is coming from the body wall or from the viscera, so it perceives the pain as coming from somewhere on the body wall, e.g. left arm/hand pain, jaw pain. So the pain is "referred to" the related dermatomes of the same ...

  8. Handedness - Wikipedia

    en.wikipedia.org/wiki/Handedness

    As speech is a very complex motor control task, the specialised fine motor areas controlling speech are most efficiently used to also control fine motor movement in the dominant hand. As the right hand is controlled by the left hemisphere (and the left hand is controlled by the right hemisphere) most people are, therefore right-handed.

  9. Primary motor cortex - Wikipedia

    en.wikipedia.org/wiki/Primary_motor_cortex

    The lateral, convex side of the primary motor cortex is arranged from top to bottom in areas that correspond to the buttocks, torso, shoulder, elbow, wrist, fingers, thumb, eyelids, lips, and jaw. The arm and hand motor area is the largest, and occupies the part of precentral gyrus between the leg and face area.

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