Damage to the brachial plexus

Question 1

What causes deltoid paralysis?

Answer 1

Damage to the Axillary nerve (C5-C6)

Question 2

What will cause damage to the Axillary nerve?

Answer 2

fracture to cervical neck of humerous, dislocation of the glenohumeral joint, compression by improper use of crutches, an intramuscular injections

Question 3

What will cause loss of sensation to the lateral proximal part of the arm?

Answer 3

Same thing that causes deltoid paralysis. the Axillary nerve is damaged and the Superior lateral cutaneous nerve which supplies that area is a branch off of the Axillary nerve

Question 4

What causes a winged scapula?

Answer 4

damage to the long thorasic nerve. this can happen in a knife fight…so common lol… when the arm is raised the surratus anterior is exposed

Question 5

What is the position of the hand in waiters tip position?

Answer 5

Extended elbow, ADD upper limb, and a medially rotated arm

Question 6

What is the clinical name for waiters tip position?

Answer 6

Erb-Duchenne palsy

Question 7

What causes Erb-Duchenne palsy?

Answer 7

Excessive increase in angle between the neck and shoulder. This causes a stretch or tear in the C5-C6 nerve roots from the spinal cord. Lateral aspect of arm will also lose sensation