Injuries Of BP

Question 1

Name rotator cuff muscles

Answer 1

Supraspinatus, infraspinatus, teres minor, subscalpularis

Question 2

Suprascalpular nerve supplies?

Answer 2

Supraspinatus and infraspinatus

Question 3

Roots of the suprascalpular nerve?

Answer 3

C5 and c6

Question 4

Damage to suprascalpular nerve results in?

Answer 4

Difficulty in initiating abduction and rotating shoulder. Since they are both rotator cuff muscles, it destabilizes the shoulder joint

Question 5

What is paresis

Answer 5

Muscle weakeness

Question 6

Long thoracic nerve roots

Answer 6

C5-C7

Question 7

Long thoracic nerve supplies?

Answer 7

Serratus anterior

Question 8

Paralysis of long thoracic nerve results in?

Answer 8

Difficulty is abducting beyond 45 degrees.

Also, inferior angle and vertebral corner of scalpula become more prominent, known as winging of scalpula

Question 9

Long thoracic nerve is injured by

Answer 9

Blows to or pressure on the posterior triangle or neck

Question 10

Uppper trunk lesions also known as

Answer 10

Erb Duchenne’s palsy

Question 11

Muscles affected by erb duchennes palsy

Answer 11

Deltoid, biceps brachi, brachialis, brachioradialis, supraspinatus, infraspinatus, teres minor

Question 12

Damage of upper trunk of brachial plexus leads to

Answer 12

Loss of flexion, abduction and lateral rotation at shoulder joint. Loss of flexion in forearm at elbow joint

Question 13

Sensory damage to upper trunk plexus?

Answer 13

Loss of sensation on the lateral aspect of the upper limb

Question 14

How do lower trunk lesions(klumpke’s palsy) occur

Answer 14

Excessive abduction of the arm. Usually results from tearing of first thoracic nerve

Question 15

Sensory damage to lower trunk plesions

Answer 15

Sensory loss along the medial side of the forearm, arm, and the hand

Question 16

Motor damage

Answer 16

Impairment of wrist flexion and movement of intrinsic muscles of hand. Clawed appearance of hand as well due to hyperextension of metacarpophalangeal joints and flexion of interphalangeal joints

Question 17

Wasting of muscle?

Answer 17

Weakening, shrinking and loss of muscle. Decreases strength and ability to move