The Wrist!

How many carpal bones are in each wrist?

• 1
• 4
• 6
• 8

Name the common origin for FLEXORS of the wrist

• medial epicondyle
• lateral epicondyle
• both?

Which carpal bone can you only see by looking at the anterior surface of the wrist?

• capitate
• trapezoid
• pisiform

Name the ORIGIN of extensor carpi radials brevis.

• medial epicondyle
• lateral epicondyle
• the wrist

In addition to wrist flexion, what other motion does flexor carpi ulnaris allow for?

• radial deviation
• ulnar deviation
• wrist extension

Based on the line of pull, which motions does this muscle allow for? 

• wrist extension and wrist flexion
• wrist flexion and radial deviation
• wrist extension and ulnar deviation

Name this muscle!

• palmaris longus
• brachioradialis
• flexor carpi lunaris

Where is this muscle (extensor carpi radials brevis) INSERTING?

• base of 1st metacarpal
• base of 3rd metacarpal
• base of 5th metacarpal

If the extensor muscles of the wrist cross the carpal joints AS WELL AS the elbow joint, would this allow for some extension of the elbow as well?

• Yes
• No

Which carpal bone articulates specifically with the thumb (1st metacarpal)?

• pisiform
• lunate
• trapezium
• capitate