10 Questions
What is the normal range of motion for PIP joint flexion?
0-100 degrees
Which muscle is primarily responsible for PIP joint flexion?
Flexor digitorum profundus
What is the major substitution for PIP joint flexion if the DIP joint is allowed to flex?
Flexor digitorum profundus
In the DIP test, what should the position of the forearm be for Grade 1 (Trace) level?
Mid-position
What is the normal range of motion for finger abduction?
0-80 degrees
Which muscles are the prime movers for finger metacarpophalangeal (MP) flexion?
Lumbricales, Flexor digitorum superficialis, Flexor digitorum profundus
Which grade on manual muscle testing (MMT) indicates normal strength for finger MP flexion?
Grade 5
What should a patient do when instructed for Grade 3 on MMT for finger MP flexion?
Uncurl the fingers while flexing the knuckles and hold it without allowing straightening of the knuckles
What is the possible substitution that may occur during finger MP flexion?
Flexor digitorum superficialis substituting for lumbricales
What does a grade of 1 on MMT indicate for finger MP flexion?
Minimal motion
This quiz covers manual muscle testing for finger and thumb movements, including flexion range of motion and grading criteria for different muscle strength levels. It also includes instructions for patients to follow during the testing.
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