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12 Cards in this Set
- Front
- Back
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Brachial plexus is formed from the union of |
the anterior rami of C5-T1 spinal nerves |
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Where is the origin and end of the sympathetic plexus? |
Commences in neck and terminates in axilla |
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Roots of brachial plexus pass between ... and why? |
Anterior and middle scalene muscles (Scalenus anterior and scalenus medius) To enter posterior triangle of the neck |
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Which nerves supply the extensor/ dorsal compartment of the upper limb? |
Axillary and Radial |
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Which nerves supply the flexor/ventral compartments within the upper limb? |
Ulnar, Median and Musculocutaneous |
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Origin and root values of Long thoracic nerve |
C5 - 7 Anterior rami of spinal nerves |
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Origin and root values of Medial pectoral nerve |
C8-T1 Medial cord |
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Origin and root values of Lateral pectoral nerve |
C5-7 Lateral cord |
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Upper Brachial Plexus Injuries |
- excessive increase in angle between neck and shoulder - trauma or excess traction in birth - C5 and C6 roots most affected - Erb’s Palsy |
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Erb’s Palsy |
- limb hangs by side medially rotated - adducted arm - extended elbow |
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Lower brachial plexus injuries |
- Forced hyperextension or hyper abduction - hanging to tree or excess traction on arm during birth - C8 and T1 affected - Klumpke’s Palsy - Ulnar claw |
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Klumpke’s Palsy |
- forearm supinated - wrist extended - fingers flexed |
