Anatomically speaking, the proper name for a "knuckle" joint is what?
B. Metacarpophalangeal
Which two carpals are located between Lister's tubercle and the base of the third metacarpal and are best palpated from the dorsal surface?
B. Lunate and Capitate
What carpal can be located just distal to the styloid process of the radius and felt upon adduction of the wrist?
B. Scaphoid
Which bone articulates with the first metacarpal and is the source of the thumb's unique movements?
A. Trapezium
Which carpal form the floor of the "Anatomical Snuffbox" and is still accessible from the dosal, palmar and radial sides of the wrist?
D. Scaphoid
The Ulnar Artery and the Ulnar Nerve are the two structures that pass through which channel created by the hook of the hamate and the Pisiform?
B. Tunnel of Guyon
Which band of connective tissue forms the "roof" of the carpal tunnel?
D. Flexor Retnaculum
The four carpals serve as attachment sites for the flexor retinaculum are the Pisiform, Scaphoid, Hook of the Hamate and which carpal?
D. Trapizium
A hook-shaped protuberance is the distinct landmark used to isolate which carpal?
D. Hamate
Which carpal can best be palpated by asking your partner to abduct and adduct her wrist as you palpate just distal to the styloid process of the ulna?
C. Triquetrum
The pisiform carpal acts as an attachment site for which muscle?
C. Flexor Carpi Ulnaris
What carpal can be felt on the ulnar/palmar side of the hand, just distal to the flexor crease?
D. Pisiform
The Carpals are located where compared to the topographical feature Flexor Crease of the Wrist on the Palmar Side?
A. Distal
The four surface sides of the carpals that can be palpated are the _______ side, ______ side, ______ side, and the ______ side.
Palmar Side
Dorsal Side
Radial Side
Ulnar Side
The ______ eminence is located at the thumb's base, while the ______ eminence is located along the ulnar side of the palm.
Thenar / Hypothenar
How many muscles act upon the thumb and how many of these are located thenar eminence?
B. 8 / 4
Which muscle is responsible for creating opposition of the thumb?
D. Opponens Pollicis
The lumbricals sprout from the sides of the tendons of which muscle?
A. Flexor Digitorum Profundus
Which muscle is located between the pisiform and the base of the fifth finger?
A. Abductor Digiti Minimi
Which muscles are difficult to access because they are deep to the Lumbricals and situated between the metacarpal bones?
A. Palmar Interossei
There are three muscle in which their distal tendons make up the "anatomical snuffbox." These are the Aductor Pollicis, Extensor Pollicis Longus and the:
D. Extensor Pollicis Brevis
What are the four Short muscles that are located at the thenar eminence?
1.
2.
3.
4.
1. Opponens Pollicis
2. Adductor Pollicis
3. Abductor Pollicis Brevis
4. Flexor Pollicis Brevis
What are the four Long muscle of the thumb that are tendinous and originate along the shafts of the radius or ulna?
1.
2.
3.
4.
1. Abductor Pollicis Longus
2. Extensor Pollicis Longus
3. Extensor Pollicis Brevis
4. Flexor Pollicis Longus
The bellies of which three Long muscles of the thumb lie along the posterior aspect of the forearm, deep to the wrist extensors?
C. Abductor Pollicis Longus and Extensor Pollicis Longus and Brevis
Which muscles sprout from the sides of the flexor digitorum profundus tendons on the palmar side of the hand?
