Wrist and Hand

Question 1

Wrist

Answer 1

movement primarily between radius and proximal carpals. Condyloid joints between radius and scaphoid and lunate

Question 2

Wrist Flexors

Answer 2

Originate anteromedially at the forearm and insert anteriorly at the hand

Question 3

Wrist Extensors

Answer 3

Originate posterolaterally at the forearm and insert posteriorly at the hand

Question 4

Lateral Epicondylitis

Answer 4

Tennis elbow
Overuse injury of the wrist extensors/supinator, where they attach to the lateral epicondyle of the humerus
Causes: repetitive wrist extension and supination, eccentric muscle actions

Question 5

Carpal Tunnel Syndrome

Answer 5

Overuse injury and common form of RSI
Symptoms: numbness, tingling, decreased sensation in the hand
Causes: repetitive inflammation within carpal tunnel - tendon inflammation, compresses the median nerve to the hand