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
If you have a fracture to the proximal end of radius what clinical symptoms might present neurologically
No wrist drop
No sensory loss
If you have a supracondylar fracture of the humerus, what muscles are affected
Pronator muscles of forearm
Long flexors of wrist and fingers
Muscles of thenar eminence
A supracondylar fracture of the humerus affects what nerve
Median
What is the clinical presentation with a supracondylar fracture of the humerus
Ape hand
What is the clinical presentation with an injury at the wrist that involves median nerve
Ape hand
What nerve is in the carpal tunnel
Median
If you fracture the medial epicondyle at the elbow, what nerve is affected
Ulnar
What muscles are affected by an ulnar nerve injury
Flexor carpi ulnaris
medial half of flexor digitorum profundus
Small muscles of hand except thenar eminence and first 2 lumbricals
What happens clinically if there is an injury to the wrist
Small muscles of hand paralyzed
Claw hand