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Brachial Plexus. Dr. Sama-ul-Haque. Objectives. Know the formation (root value) of brachial plexus. Understand the relations of brachial plexus. Know the divisions, cords and branches of the brachial plexus.
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Brachial Plexus Dr. Sama-ul-Haque
Objectives • Know the formation (root value) of brachial plexus. • Understand the relations of brachial plexus. • Know the divisions, cords and branches of the brachial plexus. • Understand the mechanism of injury to the brachial plexus and enlist the clinical features.
Brachial Plexus Injuries • In Infants: During Difficult Delivery:
Brachial Plexus Injuries • In Adults: • Sports most commonly associated: Football, baseball, basketball, volleyball, wrestling, and gymnastics. • Nerve injuries can result from: Blunt force trauma, poor posture or chronic repetitive stress.
Brachial Plexus Injuries • Patients generally present with pain and/or muscle weakness. • Some patients may experience muscle atrophy.
Brachial Plexus Injuries Result: Anesthesia Paralysis 1. Complete 2. Incomplete
Erb- Duchenne palsy Injury to Superior part of Plexus. Occurrence: Due to excessive increase in the angle between neck and the shoulder. Roots Involved: C5 and C6 Muscles Involved: Shoulder Arm
Erb- Duchenne palsy Clinical Appearance: Motor Loss: Adducted Shoulder Medially Rotated Arm Extended Elbow Sensory Loss: Lateral aspect of Upper Limb
klumpke paralysis or Palsy Injury to Inferior part of Plexus. Occurrence: Excessive abduction of arm. Less common then Injury to Superior part of Plexus. Roots Involved: C8 and T1
klumpke paralysis or Palsy Clinical Appearance: Motor Loss: Small muscles of Hand Sensory Loss: Medial aspect of Upper Limb
Cervical Rib Involves Inferior part of Plexus
What is Waiter’s tip or Porter’s tipposition?