30 Questions
Which muscle originates from the medial epicondyle of the humerus and coronoid process of ulna?
Flexor digitorum superficialis
What is the primary action of the flexor digitorum superficialis muscle?
Flexes the metacarpophalangeal and proximal interphalangeal joints
Which nerve supplies all the muscles in the anterior fascial compartment, except for two?
Median nerve
What is the larger of the two terminal branches of the brachial artery?
Ulnar artery
Where does the ulnar artery end?
Superficial palmar arch
What is the common origin of the superficial group of flexor muscles?
Common flexor tendon
What is the segment of the upper limb that extends between the elbow and the wrist joint?
Forearm
What is the lateral bone in the forearm?
Radius
What is the function of the interosseous membrane?
To unite the shafts of the radius and ulna
What divides the forearm into compartments?
Deep fascia, interosseous membrane, and intermuscular septa
Where does the cephalic vein originate from?
Radial side of the dorsal venous arch of the hand
How many compartments does the forearm have?
3
What is the location of the radial artery in the distal part of the forearm?
On the anterior surface of the radius
What is the relationship between the radial artery and the tendon of brachioradialis in the distal part of the forearm?
The radial artery lies lateral to the tendon of brachioradialis
What is the route of the radial artery after it leaves the forearm?
It passes between the 1st and 2nd metacarpals
What is the origin of the superficial palmar branch of the radial artery?
Just above the wrist
What is the relationship between the superficial palmar branch of the radial artery and the ulnar artery?
They frequently join to form the superficial palmar arch
At which level does the radial artery begin?
At the level of the neck of the radius
Where does the Palmar Cutaneous Branch of Median Nerve arise?
Lower part of the forearm
Which muscle does the Ulnar Nerve run between in the forearm?
Flexor carpi ulnaris and flexor digitorum profundus
Where does the Ulnar Nerve enter the palm?
By passing superficial to the flexor retinaculum
What is the relationship between the Ulnar Nerve and the ulnar artery at the wrist?
The Ulnar Nerve lies medial to the ulnar artery
What type of branches does the Ulnar Nerve have?
Muscular, articular, and cutaneous branches
What is the name of the cutaneous branch that supplies the skin over the lateral part of the palm?
Palmar cutaneous branch
What is the function of the palmar cutaneous branch?
Supplies the skin over the hypothenar eminence
Which muscles are found in the superficial group of the posterior fascial compartment?
Extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris
What is the common origin of the superficial extensor muscles?
Lateral epicondyle of the humerus
What is the result of partial tearing or degeneration of the origin of the superficial extensor muscles?
Tennis elbow
What is the branch of the radial nerve that passes deep in the substance of the supinator muscle?
Deep branch of the radial nerve
What is the blood supply to the posterior fascial compartment?
Posterior interosseous artery
This quiz covers the anatomy of the forearm, including its bones, interosseous membrane, and compartments. Learn about the radius and ulna, and how they interact with surrounding muscles.
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