Brachial Plexus and injury Flashcards
Klumpke’s Palsy affects what nerves and presents how?
- Sensory: medial aspect of upper limb deficit
- Motor Loss: finger movement, forearm pronation, wrist/finger extension, wrist/finger flexion.
- Damage C8/T1
- claw hand presentation
Radial Nerve injury or C5-T1 injury causes what?
- wrist drop
- affect extensor compartment
- occur from humerus mid shaft fracture
Axillary nerve Damage c5/c6 presents how, and can occur from what?
- deltoid and teres muscle function loss.
- weak rotation and abduction
- Fx to humeral surgical neck
Injury to long thoracic nerve c5,c6,c7 affects what muscles and results in what condition?
- serratus anterior resulting in winged scapula
- unable to raise arms past 90 degrees
Injury to Ulnar nerve C7, C8, T1 can cause what loss of funciton?
- damage to flexors of wrist, digits, intrinsic hand muscles.
- loss of Ab/ Adduction of fingers
Injury to Median Nerve C6-T1 nerve roots.
Can occur by what methods, and what are affected?
- fx above humeral condyles, slashed wrist, carpal tunnel syndrome.
- flexors of wrist and digits, intrinsic hand muscles
Pope’s Blessing is a result of what?
- damage to median nerve C6-T1.
- 2nd, 3rd digits remain extended during attempt to contract.
- paresthesia along median nerve
Ape Hand occurs with what nerve damage?
- loss of thenar opposition
- MEdian nerve damage C6-T1
What is affected by Erb’s Palsy? The sensory and motor deficits specifically?
Sensory: lateral aspect of upper limb
Motor: arm abduction loss, elbow flexion, forearm supination, weak wrist extension
- affects C5/C6 spinal nerve roots
The base boundary of the Axilla is formed by what?
-skin, superficial fascia, serratus anterior, latissimus dorsi, teres major, pectoralis major
What are the anterior boundaries of teh axilla?
- clavicle
- subclavius muscle
- pec major/minor
What are the boundaries of the posterior wall of the axilla?
- scapula
- subscapularis
- latissimus dorsi
- teres major
What lateral structures for the axilla boundary?
- intertubercular sulcus
- long head of biceps tendon
- coracobrachialis tendon