Upper Limb 1 (continued) Flashcards
What is 6

Tendon of Biceps brachii muscle
Injury to the musculocutaneous nerve from a weapon such as a knife would result in what?
Paralysis of biceps bracii, coracobrachialis and brachialis Loss of sensation on the lateral aspect of forearm
What muscles does the ulnar nerve supply?
Flexor carpi ulnaris
Ulnar half of flexor digitorum profundus
Most intrinsic muscles of hand
What are the 3 important muscles of the anterior arm? What nerve supplies these muscles?
Biceps bracii
Coracobrachialis
Brachialis
Musculocutaneous nerve
What is the main action of the brachialis on the elbow joint?
Flexes elbow in all positions
What makes up the borders of the cubital fossa?
Base -> imagery line between two epicondyles
Medial border -> pronator teres muscle
Lateral border -> brachioradialis muscle

What is 17

Ulnar artery
What is the origin and insertion of the brachialis?
Arises from the front of the distal half of the shaft of the humerus Inserted into coronoid process of ulna

What are the 3 common sites of humerus where 3 nerves could be damaged due to fracture?
Radial nerve -> radial groove
Ulnar nerve -> medial epicondyle
Axillary nerve -> surgical neck
What 3 joints does the biceps bracii act on?
Shoulder Elbow Radio-ulnar joints
What is the characteristic clinical sign of radial nerve injury?
Wrist drop
What is E

Biceps Brachii short head
What is 19

Ulnar reccurant artery
Where is the best place to compress the brachial artery to control haemorrhage?
Middle of the arm/ middle third
What two muscles arise from the coracoid process?
Short head of the biceps bracii
Coracobrachialis
What is 20

Anterior interosseous artery
What is A

Brchial plexus lateral cord
What is B

Brachialis
What is 24

Flexor digitorum superficialis
What is the nerve supply to triceps and anconeus muscle?
Radial nerve
What is 15

Medial epicondyle of humerus
What is 14

Median nerve
What is the action of the biceps bracii at each of its joints?
Flexes shoulder and elbow joint Supination of the radio-ulnar joint
What is 7

Radial recurrant artery


























