Quiz One Flashcards
Which of the following is not a prime Wrist extensor? A. Extensor carpi ulnaris B. Extensor carpi radialis brevis C. Extensor digitorum profundus D. Extensor carpi radialis longus
C. Extensor digitorum profundus
What landmark is used to determine the anatomic radiocarpal wrist joint? A. Ulnar styloid B. Base of the 1st metacarpal C. Head of the 5th metacarpal D. Radial Styloid
D. Radial Styloid
Hyperextension of the PIP joint and flexion of the DIP joint constitutes a \_\_\_\_\_\_\_ deformity. A. Osteoarthritis B. Swan neck C. Boutonniere D. Mallet
B. Swan Neck
Which of the following is not a treatment goal for spinal cord injury?
A. To replace or assist weakened motor power
B. To prevent or treat edema
C. To reduce dexterity during the period of recovery
D. To ease pain cause by traction on the unsupported nerves and vessels
C. To reduce dexterity during the period of recovery
The _________ muscles are largely responsible for changing the shape of the working hand for grasping objects, while the _________ muscles are responsible for maintaining the three arches of the hand.
Extrinsic; Intrinsic
What are the primary nerves of the arm?
Axillary
Musculocutaneous
Radial
What are the primary nerves of the forearm?
Radial
Ulnar
Median
Describe de Quervain’s tenosynovitis and how it is diagnosed.
de Quervain’s tenosynovitis is inflammation of the extensor pollicis longus and vrevis and is diagnosed with the finklestein maneuver. THis maneuver involves putting the thumb under the fingers making a fist and having the patient ulnar deviate the wrist. If it is painful then it is a positive test.
What is the Functional hand position?
Wrist extension-30-40 degrees
MCP flexion-45-55 degrees
PIP flexion-35-45 degrees
DIP flexion-10-25 degrees
What stabilizes the thumb IP joint and extends just beyond the nail bed, with the pad of the thumb exposed?
Thumb post
What abducts the index finger to assist prehension; also referred to a 1st dorsal interosseous assist?
Thumb abduction assist
What is located distal to the MCP’s but proximal to the 2-5 PIPs?
MP extension stop for digits 2-5
What terminates proximal to the thumb IP joint; also known as the C-bar?
Thumb Adduction stop
What is also known as the “spring swivel thumb?”
Thumb IP extension assist
What nerve supplies the motor supply to the posterior arm and forearm?
Radial nerve
