General Arm/Forearm Questions

Question 1

Erb-Duchenne paralysis

Answer 1

Medial rotation of the arm (lateral pectoral and suprascapularis nerve affected, pectoralis major and infra/supraspinatus), lateral aspect of forearm may be affected (musculocutaneous, lateral antebrachial cutaneous nerve) and well as the muscles innervated by the musculocutaneous nn (coracobrachialis, biceps brachii, brachialis).

Question 2

Winged Scapula, which parts of the brachial plexus injured

Answer 2

C5,C6,C7- wings to heaven. roots of the brachial plexus

Question 3

Flexor digitorum profundus flexes which part of the fingers?

Flexor digitorum superficialis?

Answer 3

DISTAL interphalangeal
DIP. DIG.
Superficialis– proximal interphalangeal

Question 4

Anterior wall of the axilla

Answer 4

Pectoralis Minor

Question 5

Median nerve innervation

Answer 5

Pronator teres, pronator quadratus, and skin over the anterior aspect of the thumb
flexors (flexor carpi ulnaris, palmaris longus, flexor carpi radii, flexor digitorum superficialis, flexor digtorum profunus, flexor pollicis longus)

Question 6

Radial Nerve Injury

Answer 6

Fracture at midshaft of humerus, wrist job due to lack of extension of the arm/forearm

Question 7

Contents of the cupital fossa from medial to lateral

Answer 7

Median nerve, brachial artery, biceps brachii tendon, radial nerve

Question 8

Injury to Median Nerve

Answer 8

Ape hand (thumb permanently extended)

Question 9

Damage to the ulnar nerve

Answer 9

Claw hand and flattening to the hypothenar eminence

Question 10

What lies superficial to the flexor retinaculum

Answer 10

ulnar nerve, ulnar artery, palmaris longus tendon, and palmar cutaneous branch of the median nerve

Question 11

If brachial artery were ligated at its origin, what would supply blood to the profunda brachii?

Answer 11

posterior humeral circumflex

Question 12

what two fingers does the medial nerve supply?

Answer 12

median–flexor, anterior compartment, lateral two lumbercals–index and middle fingers

Question 13

What muscles can supinate the forearm?

Answer 13

biceps brachii (musculocutaneous) (anterior compartment)
supinator (radial) (posterior compartment)

Question 14

Funny bone syndrome

Answer 14

Ulnar nerve– posterior and dorsal surface of medial third of the hand and the medial one and one half fingers.

Question 15

What runs with the radial nerve distal to the cubital fossa?

Answer 15

Deep brachial artery

Question 16

Nerves and their relationship to Humeral injuries

Answer 16

surgical neck–axillary
Radial grove-radius
Distal end- median
medial epicondyle–ulnar nerve (biceps brachii runs to the olecranon)

Question 17

Glenohumeral Joint

Answer 17

Transverse ligaments support biceps brachii long head
Coracoacromial bursa—Bursitis (trouble abduction)
Subscapular bursa

Question 18

Shoulder Seperation

Answer 18

Disruption of the acrolioclavicular joint and the coracoacromial ligament–can also develop bursitis and cause pain with shoulder abduction

Question 19

Two Aspects of the Coracoclavicular Ligaments

Answer 19

Coniod and Trapezoid

Question 20

Which ligament of the elbow is seen on the lateral side

Answer 20

Radial collateral (and anular)

Question 21

which ligament of the elbow is seen on the medial side

Answer 21

ulnar ligament

Question 22

blood supply to trapezius

Answer 22

transverse cervicle

Question 23

Latissimus dorsi artery and nerve

Answer 23

thoracodorsal artery and nerve

Question 24

Origins of the Biceps brachii

Answer 24

long head–supraglenoid tubercle

short head–coracoid process

Question 25

Infraglenoid and supraglenoid tubercles of scapula (muscles_

Answer 25

Supraglenoid– long head of biceps brachii

Infraglenoid –long head of triceps brachii

Question 26

Flexor digitorum Superficialis

Answer 26

Anterior interosseous nerve and artery
PIP (proximal interphalangeal joints)
wrist, and metacarophalangeal

Question 27

Median nerve problems in hand

Answer 27

cannot flex the PIP of the 1-3rd digits, and the DIP of the 4th and 5th

Question 28

Ulnar Nerve Problems in Hand and wrist

Answer 28

Cannot flex the 4th and 5th digits (DIP)