BrachialPlexus
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 anddorsal scapular.
Presentation
Waiters tip
Medially rotated shoulder (loss of supra/infraspinatus = unopposedmedial 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 (mostlyulnar)
Clawing of digits 2-5 at rest (unopposed extension at MCP jointand flexion at IP joint)
Anaesthesia
Medial elbow, forearm and arm
Thanks!
