WRIST KINES REVIEW QUIZ Flashcards
Your patient demonstrates limited wrist flexion. Which of the following ligaments would be taut in full wrist flexion?
Group of answer choices
Palmar radiocarpal ligaments
Radial collateral ligament
Quadrate ligament
Dorsal radiocarpal ligaments
Dorsal radiocarpal ligaments
Which carpal bone is a sesamoid?
Group of answer choices
Lunate
Pisiform
Trapezoid
Scaphoid
Pisiform
Extension of the metacarpophalangeal (MCP) joint of the second digit results in a ____________________ roll and a ____________________ glide of the proximal phalanx on the metacarpal.
Group of answer choices
palmar, palmar
dorsal, dorsal
dorsal, volar
palmar, dorsal
dorsal, dorsal
Which of the following is true regarding the proximal interphalangeal (PIP) and distal interphalangeal (DIP) joints of the digits two through five?
Group of answer choices
The proximal articulating surface is larger than the distal articulating surface.
They each have two degrees of freedom.
They are not true synovial joints.
They do not have any collateral ligaments to resist valgus and varus stresses.
The proximal articulating surface is larger than the distal articulating surface.
Which of the following muscles is the primary finger flexor of digits two through five, PIP and DIP joints?
Group of answer choices
Flexor digitorum superficialis (FDS)
Lumbricals
Flexor digitorum profundus (FDP)
Interossei
Flexor digitorum profundus (FDP)
In which of the following types of grip does the thumb play a very minimal role?
Group of answer choices
Tip-to-tip prehension
Spherical grip
Hook grip
Cylindrical grip
Hook grip
Which ligament blends with the triangular fibrocartilage complex (TFCC) of the wrist?
Group of answer choices
Volar radiocarpal ligament
Ulnar collateral ligament
Radial collateral ligament
Dorsal radiocarpal ligament
Ulnar collateral ligament
No muscle forces are applied directly to the proximal row of carpal bones
Group of answer choices
True
False
True
Which joint/s is/are vital for maintaining the optimal length tension relationship of the hand/finger muscles?
Group of answer choices
Thumb MCP
PIP of fingers 2-5
DIP of fingers 2-5
Wrist
Wrist
Your patient has an unstable wrist as a result of a severe fracture. What impact will this have on the intrinsic hand muscles?
Group of answer choices
It will result in active insufficiency
It will result it passive insufficiency
It will result in unbalance length tension relationship
It will have no impact
It will have no impact
What is a main function of the triangular fibrocartilage complex?
Group of answer choices
To increase radial joint congruency
To allow full supination and pronation
To increase ulnar joint congruency
To limit excessive ulnar deviation during wrist extension
To increase ulnar joint congruency
Which of the following statements is true regarding the flexor carpi ulnaris:
Group of answer choices
It helps to stabilize the scaphoid during extremes of motion
It is important for enhancing precision grip
It can act as a substitute for the TFCC
It is the strongest of all the wrist muscles
It is the strongest of all the wrist muscles
Your patient presents with hypothenar wasting. This is likely due to:
Group of answer choices
Ulnar nerve compression
Ruptured flexor retinaculum
Carpal tunnel syndrome
Median nerve compression
Ulnar nerve compression
The extensor hood
Group of answer choices
Includes both intrinsic and extrinsic muscles
Is joined proximally to the adductor pollicis
Includes the MCP and PIP joints but not the DIP
Is important for preventing angular bends along the finger tendons
Includes both intrinsic and extrinsic muscles
Tenodesis…
Group of answer choices
Results in thumb and index finger approximation during wrist flexion
Is the increased ulnar deviation noted during forceful gripping activities
Is the result of passive tension of the finger flexors during wrist extension
Results in flexion at the MCP joints with extension at the PIP and DIP joints
Is the result of passive tension of the finger flexors during wrist extension