Nerve Lesions Upper Limb Flashcards
What nerves are most affected by Erb- Duchenne palsy
Musculocutaneous
Suprascapular
Axillary
Erb-Duchenne palsy effects what roots
C5 c6
What movement causes Erb Duchenne palsy
Excessive displacement of head to opposite side and depression of shoulder on same side
What is the classic sign of Erb Duchenne palsy
Waiters tip
Lose of sensation down lateral side of arm
What muscles do you lose in Erb Duchenne palsy
Supraspinatus Infraspinatus Deltoid Coracobrachialis Brachialis Biceps brachii Teres minor
What movement causes Klumpke palsy
Excessive abduction of arm
What nerve roots (and thus nerves) are affected by Klumpke palsy
T1
Median and ulnar
What muscles are lost in Klumpke palsy
All small hand muscles
What is the clinical presentation of Klumpke palsy
“Claw hand “
Loss of sensation on medial side of arm
If the long thoracic nerve is damaged, what muscle is affected and what clinical presentation occurs
Serratus anterior
Winged scapula
If you dislocated your shoulder or break the surgical neck of the humerus what nerve can you damage
Axillary
What happens clinically when the axillary nerve is damaged
Deltoid atrophy
Shoulder abduction impaired
Sensation over lower half of deltoid impaired
If you have injury in the axilla to the radial nerve, what muscles are affected
Triceps
Anconeus
Long extensors of wrist
What clinical presentation is seen when there is an axilla injury to radial nerve
Wrist drop
If you fracture the mid shaft of the humerus, what nerve is affected
Radial