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  2. Brachial plexus - Wikipedia

    en.wikipedia.org/wiki/Brachial_plexus

    The brachial plexus is a network of nerves (nerve plexus) formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).This plexus extends from the spinal cord, through the cervicoaxillary canal in the neck, over the first rib, and into the armpit, it supplies afferent and efferent nerve fibers to the chest, shoulder, arm, forearm, and hand.

  3. Brachial plexus injury - Wikipedia

    en.wikipedia.org/wiki/Brachial_plexus_injury

    A brachial plexus injury (BPI), also known as brachial plexus lesion, is an injury to the brachial plexus, the network of nerves that conducts signals from the spinal cord to the shoulder, arm and hand. These nerves originate in the fifth, sixth, seventh and eighth cervical (C5–C8), and first thoracic (T1) spinal nerves, and innervate the ...

  4. Nerve plexus - Wikipedia

    en.wikipedia.org/wiki/Nerve_plexus

    The brachial plexus is formed by the ventral rami of C5-C8-T1 spinal nerves, and lower and upper halves of C4 and T2 spinal nerves. The plexus extends toward the armpit. The ventral rami of C5 and C6 form upper trunk, the ventral ramus of C7 forms the middle trunk, and the ventral rami of C8 and T1 join to form the lower trunk of the brachial ...

  5. Long thoracic nerve - Wikipedia

    en.wikipedia.org/wiki/Long_thoracic_nerve

    Anatomy figure: 05:03-07 at Human Anatomy Online, SUNY Downstate Medical Center - "The major subdivisions and terminal nerves of the brachial plexus." Long Thoracic Nerve - BlueLink Anatomy - University of Michigan Medical School

  6. Shoulder - Wikipedia

    en.wikipedia.org/wiki/Shoulder

    The skin around the shoulder is supplied by C2-C4 (upper), and C7 and T2 (lower area). [citation needed] The brachial plexus emerges as nerve roots from the cervical vertebrae C5-T1. Branches of the plexus, in particular from C5-C6, supply the majority of the muscles of the shoulder. [3]

  7. Dorsal scapular nerve - Wikipedia

    en.wikipedia.org/wiki/Dorsal_scapular_nerve

    Dorsal scapular nerve syndrome can be caused by nerve compression syndrome.A winged scapula is the most common symptom. [7] Shoulder pain may occur. [7] It causes weakness in rhomboid major muscle, rhomboid minor muscle, and levator scapulae muscle. [7]

  8. Shoulder joint - Wikipedia

    en.wikipedia.org/wiki/Shoulder_joint

    The shoulder joint (or glenohumeral ... The nerves supplying the shoulder joint all arise in the brachial plexus. ... 10:03-12 at Human Anatomy Online, ...

  9. Erb's palsy - Wikipedia

    en.wikipedia.org/wiki/Erb's_palsy

    Erb's palsy is a paralysis of the arm caused by injury to the upper group of the arm's main nerves, specifically the severing of the upper trunk C5–C6 nerves. These form part of the brachial plexus, comprising the ventral rami of spinal nerves C5–C8 and thoracic nerve T1.

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