Elbow/Forearm Anatomy
How many bones make up the elbow?
3 - Humerus, Ulna, Radius
How many carpal bones are there?
8
Also known as "little league elbow" or "golfer's elbow".
Medial Epicondylitis
Which carpal bone is most commonly fractured?
Scaphoid
Fracture of the base of the thumb
Bennett's Fracture
What muscle extends the elbow?
Triceps Brachii
Which finger is made up of only two phalanges?
Thumb
Which elbow ligament is commonly injured from throwing motions?
UCL
What fracture of the distal radius results in a volar displacement?
Smith's Fracture
Injury to the distal extensor tendon of the thumb
Mallet Finger
3 - RCL, UCL, Annular Ligament
How many phalanges are there in one hand?
14
What is the cause of Volkmann's Ischemic Contracture?
Ischemia (lack of blood flow) to the forearm
Fluid filled sac that grows on the back of the wrist
Ganglion Cyst
Sprain of the UCL of the thumb
Gamekeeper's Thumb
Which elbow ligament is on the medial side?
UCL
Name one finger ligament.
RCL, UCL
Which bundle of the UCL is most commonly injured?
Anterior bundle
What injury of the wrist involves the two main tendons of the thumb - abductor pollicis longus (APL), and the extensor pollicis brevis (EPB)?
DeQuervain's Tenosynovitis
Deformity caused by injury to the central band of the extensor tendon
Boutonniere Deformity
The UCL is made up of how many bands?
3
What nerve travels through the carpal tunnel?
Median
What injury occurs when a small segment of bone separates from its surrounding tissue?
Osteochondritis Dissecans (OCD)
What injury involves the median nerve of the wrist?
Deformity characterized by flexion of PIP, extension of DIP and flexion of MCP joints
Swan Neck Deformity