Brachial Plexus Lesions Flashcards
What does the acronym Randy Travis Drinks Cold Beer stand form?
- Roots
- Trunks
- Divisions
- Cords
- Branches
What is Erb’s Palsy?
Erb’s Palsy is a functional deficit in abduction (arm hangs by the side), lateral rotation (arm is medially rotated), and flexion/supination (arm is extended and pronated).
What is another name for Erb’s Palsy?
Waiter’s Tip
What type of injury causes Erb’s Palsy?
Traction or tear of the upper trunk, C5-C6, causes Erb’s Palsy
What are causes of Erb’s Palsy?
- Infants: lateral traction on the neck during delivery
2. Adults: trauma
What are the muscle deficits in Erb’s Palsy?
- deltoid and supraspinatus –> abduction deficit
- Infraspinatus –> lateral rotation deficit
- Biceps Brachii –> flexion/supination deficit
What is Klumple Palsy?
Klumpke Palsy is a functional deficit resulting in total claw hand, lumbricals normall flex MCP joints and extend DIP and PIP joints
What type of injury causes Klumpke’s Palsy?
Traction or tear of the lower trunk, C8-T1 root causes Klumpke Palsy
What are causes of Klumpke Palsy?
- Infants: upward force n arm during delivery
2. Adults: trauma (e.g. grabbing a treat branch to break a fall)
What are the muscle deficits in Klumpke Palsy?
- Intrinsic hand muscles
- Lumbricals
- Interossei
- Thenar
- Hypothenar
What is thoracic outlet syndrome?
Thoracic outlet syndrome is atrophy of hand muscles, ischemia, pain, and edema due to vascular compression.
What injury results in thoracic outlet syndrome?
Compression of the lower trunk and subclavian vessels results in thoracic outlet syndrome.
What are causes of thoracic outlet syndrome?
- Cervical rib
2. Pancoast Tumor
What are the muscle deficits in thoracic outlet syndrome?
Same as Klumpke Syndrome
- Intrinsic hand muscles
- Lumbricals
- Interossei
- Thenar
- Hypothenar
What is winged scapula?
Winged scapula is the inability to anchor the scapula to the thoracic cage. Patient is unable to abduct the arm above the horizontal position.
