Brachial Plexus. Long Thoracic Nerve  Roots?  C5,6 +7  Innervates?  Serratus Anterior  Cause?  Stabbing  Axillary surgery  Presentation? 

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Presentation transcript:

Brachial Plexus

Long Thoracic Nerve  Roots?  C5,6 +7  Innervates?  Serratus Anterior  Cause?  Stabbing  Axillary surgery  Presentation?  Winging

Erbs Palsy  Damage to C5 & C6  Cause  Stab wound  Motor cycle accident  Forceps delivery at birth  Nerves affected = SLAMD  Suprascapular, lateral pectoral, axillary, musculocutaneous and dorsal scapular.  Presentation  Waiters tip  Medially rotated shoulder (loss of supra/infraspinatus = unopposed medial rotation)  Loss of shoulder contour (loss of deltoid)  Pronated forearm (loss of biceps brachii)  Partial wrist drop (loss of extensor carpi radialis)  Anaesthesia (C5/6 dermatome)

Klumpke’s Palsy  Damage to C8 & T1  Caused by  Upward traction of upper limb i.e. fall and grab  Pancoast tumour  Nerves  Ulnar  Median  Presentation  Paralysis and wasting of all small muscles of the hand (mostly ulnar)  Clawing of digits 2-5 at rest (unopposed extension at MCP joint and flexion at IP joint)  Anaesthesia  Medial elbow, forearm and arm

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