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The Carpal Tunnel in cross section TLC: Tranverse Carpal Ligament; MN: Median Nerve; T.R., S,L,H: Carpal bones; FDS, FDP, etc: Flexor Tendons
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The median nerve at the wrist travels through the carpal tunnel beneath the tranverse capral ligament (TLC). The Ulnar Nerve has its own seperate tunnel
(the Canal of Guyon). [m.b. (m): motor branch median nerve; m.b. (u): motor branch ulnar nerve; UN: ulnar nerve; MN: median nerve]
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The nerves of the upper extremity begins as the thoracic outlet and then travel as long cables from the neck to the fingertips. The three nerves innervating
the hand: the median, radial, and ulnar are seen here in their entirety. Pathology at any level can produce symptoms throughout the arm. |
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The thoracic outlet. Shown are the nerves of the brachial plexus traveling through the thoracic outlet bound in front by the anterior scalene muscle,
beneath by the first rib and behind by the middle scalene muscle. |
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DeKalb Pike, Suite 100 Bluebell, PA 19422 Phone 610-277-1990 Fax 610-277-2007 |
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Copyright © 1999 Upper Extremiety Institute and Dr. Scott Fried |
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