Kahoot Quiz Questions Flashcards
Which of the following is NOT a distal attachment of the extensor digitorum muscle?
a) ED to dorsal base proximal phalanx
b) Central slip to dorsal base middle phalanx
c) Lateral epicondyle
d) Terminal tendon to dorsal base distal phalanx
C: Lateral Epicondyle
Rob’s car has run out of gas on the highway. He decides to hitchhike to the next gas station. He sticks out his thumb and waits for a car to stop. Which two muscles is he using?
a) Abductor pollicis longus and extensor pollicis longus
b) Abductor pollicis longus and extensor pollicis brevis
c) Extensor pollicis longus and extensor indicis
d) Extensor pollicis longus and extensor pollicis brevis
D: Extensor Pollicis Longus and Extensor Pollicis Brevis
Which connective tissue structure provides protection and stability for the extrinsic extensor
and abductor tendons at the MCP level?
a) Transverse fibers/sagittal bands of the dorsal hood
b) Extensor retinaculum
c) Flexor retinaculum/transverse carpal ligament
d) Palmar carpal ligament
A: Transverse fibers/sagittal bands of dorsal hood
Which nerve(s) innervate(s) the flexor digitorum superficialis (FDS) of digits II, III, IV, and V
when making a fist?
a) Ulnar nerve
b) Median nerve
c) Radial nerve
d) All of the above
B: Median Nerve
Which flexor tendon sheath layer helps reduce friction between the FDP and FDS tendons
while gliding?
a) Fibrous Digital Sheaths
b) Digital synovial sheaths
c) Flexor tendon pulleys
B: Digital Synovial Sheaths
6) Which muscles have both attachments on connective tissue structures rather than on bones?
a) The dorsal interossei
b) The the palmar interossei
c) The flexor digitorum profundus and the flexor digitorum superficialis
d) The lumbricals
D: The Lumbricals
Which thumb muscle is supplied by the ulnar nerve?
a) Abductor pollicis longus
b) Extensor pollicis longus
c) Flexor pollicis brevis
d) Adductor pollicis
D: Adductor Pollicis
Which of the following muscles inserts into the oblique fibers of the dorsal hood?
a) Lumbricals (function: tabletop/intrinsic plus)
b) Palmar intersossei (function: MCP adduction toward 3rd ray, tabletop/intrinsic plus)
c) Dorsal interossei (function: MCP abduction away from 3rd ray, tabletop/intrinsic plus)
d) All of the above
D: All the Above
Which grip is shown in the image below? (holding a tennis ball)
a) Hook grip
b) Spherical grip
c) Cylindrical grip
d) Lateral pinch
B: Spherical Grip
When doing the 3 jaw chuck prehension pattern, which thenar muscle group is not active?
a) Extensor
b) Flexors
c) Abductors
d) Opposers
A: Extensors
True or false: When writing the muscles for DIP flexion on an activity analysis, you should
only write one muscle even if there are two blank spaces available.
True (FDP)
What is an example of a low ulnar nerve injury?
a. Mild claw of ring and small
b. Froment’s sign
c. Ape hand
d. Wrist drop
B: Froment’s Sign
True or false? If there is a radial nerve injury at the wrist, you will see motor deficits.
False (sensory)
Why is clawing of the ring and small digit more severe with a low ulnar nerve injury?
a. You now have your flexor digitorum profundus (FDP)
b. You now have your flexor digitorum superficialis (FDS)
c. You now have your extensor digitorum (ED)
d. You now have your extensor digiti minimi (EDM)
A: You now have your flexor digitorum profundus (FDP)
What type of orthosis would you recommend for a patient who has the deformity Hand
of Benediction?
a. Hand-based thumb spica
b. Anti-claw orthosis
c. Forearm-based thumb spica orthosis
d. You wouldn’t use an orthosis
A: Hand-based Thumb Spica