cool Muscle of the arm, forearm , wrist and hand
coooler Muscle of the arm, forearm , wrist and hand
cooooolest Muscle of the arm, forearm , wrist and hand cooooolest
cooler than the coolest Muscle of the arm, forearm , wrist and hand
cooler than the coolest of the cool Muscle of the arm, forearm , wrist and hand E
100
What nerve innervates the anterior (flexor) compartment?
Musculocutaneous n.
100
This muscle inserts at the pisiform and hamate. It’s action is flexión and adduction of wrist. What is the muscle and what nerve is it innervated by?
Flexor carpi ulnaris m.; ulnar n.
100
What is the action of extensor pollicis longus and what is its innervation?
Extension of the IP joint; posterior interosseous nerve
100
What nerve innervates the thenar compartment?
Recurrent branch of the Median nerve
100
What are the two tests for carpal tunnel syndrome?
Tinel and phalen
200
2. This muscle is in the anterior (flexor) compartment. It flexes and adducts the arm. It inserts medial to the humeral shaft. What is the origin and muscle?
Coracobrachialis m.; origin: coracoid process
200
The flexor digitorum superficialis originates at the medial epicondyle, coronoid process, upper radius. It is innervated by the median nerve. It’s insertion is: tendons split to insert on the sides of the MIDDLE phalanges of digits 2-5. What is that action of this muscle? Flexion of the wrist joints, metacarpal phalanges (MCP), proximal interphalangeal
(PIP), carpal-metacarpal (CMC) joints
200
Loss of this nerve in the arm will result in “wrist drop”:
Radial n.
200
Lateral epicondylitis or Tennis elbow is inflammation of the lateral epicondyle. Which muscle originates at the lateral epicondyle and is often damaged from the following:
a. Palmaris longus .
b. Pronator quadratus
c. extensor carpi radialis brevis
d. Brachialis
c. extensor carpi radialis brevis
200
Excessive lumbar curvature, often due to obesity or pregnancy
Lordosis
300
3. What is the action of the biceps brachii?
Flexes the supinated forearm, supinated the flexed forearm
300
The flexor digitorum superficialis originates at the medial epicondyle, coronoid process, upper radius. It is innervated by the median nerve. It’s insertion is: tendons split to insert on the sides of the MIDDLE phalanges of digits 2-5. What is that action of this muscle?
Flexion of the wrist joints, metacarpal phalanges (MCP), proximal interphalangeal (PIP),
300
What carpal bone is frequently fractured?
Scaphoid bone
300
What artery is the black arrow pointing to
Deep palmar arterial arch
300
What are other names for c1 and c2?
Atlas(c1) and axis (2)
400
What is the insertion of the brachialis?
Coronoid process
400
Name a muscle that is innervated by the median nerve and it’s action is pronation
Pronator quadratus
400
What carpal bone is frequently dislocated?
Lunate bone (anteriorly)
400
The following is an x-ray of the trauma the patient has suffer: what ligament is injured?
500
C
500
Label the following diagram with the correct muscles from the posterior compartment:
b. Blue: Extensor carpi radialis brevis and longus
c. Yellow: Extensor digitorium
d. Purple: Extensor carpi ulnaris
e. Red:Brachioradialis
f. Green: Extensor digiti minimi
500
What does the anatomical snuff box contain?(hint its an artery and bone)
Radial a. and scaphoid bone
500
What does carpal tunnel syndrome produce due to the compression of the median n?
Pain with finger and wrist flexion/ extension. Burning sensation and numbness over the palmar surface of the radial 3 ½ digits. Weakness and atrophy of the thenar muscles.