Bones and Bony Landmarks
Muscles of the hand
Nerve damage and Common Injuries
100
What group of bones is this pointing to? 
Carpal bones
100
Name the muscles responsible for pronation and supination of the forearm.
Supinator, pronator teres, pronator quadratus
100
What causes carpal tunnel syndrome?
The compression of the median nerve.
200
The upper extremity is made up of different bones. Which bones make up the extremity? Name 3 of them.
Humerus, radius, ulna, carpals, metacarpals, phalanges
200
What is the name of the muscle labeled A? 
Flexor carpi radialis
200
Claw hand is caused by the loss of function of which nerve? This leads to the loss of function of which muscles?
Ulnar nerve. Interossei muscles
300
Which letter represents the olecranon process of the ulna?
H
300
Which nerve innervates the deep extensor muscles of the hand?
deep radial nerve
300
Could the wrist be flexed if the median nerve was cut at the elbow? Why?
Yes, the flexor carpi ulnaris is innervated by ulnar nerve.
400
How do the radius and ulna bones attach to each other?
The tubercle of the radius inserts into the radial fossa of the ulna.
400
What is the function of the interossei muscles? What is the nerve that supplies it?
help you flex and at MCP joint and extend at interphalangeal joint. Innervated by ulnar nerve
400
If the radial nerve was cut at the elbow, could the interphalangeal joints be extended?
Yes because the DIP and PIP joints are innervated by the ulnar nerve.
500
What are the labels of 6 and 10 on the radius bone?
6. head
10. radial tubercle
500
What muscle is responsible for the action of opposing the thumb? What is it innervated by? If this innervation is cut off, will the thumb still be able to do the opposition movement?
Opponens pollicis. Median Nerve. No.
500
Which tendon is commonly involved with lateral epicondylitis/ tennis elbow?
extensor carpi radialis brevis