Test 3
Structures in the TFCC
Articular disk + dorsal and palmar radioulnar ligament + ulnar collateral ligament + meniscus homolog
Tapping over the transverse carpal ligament tests for
Carpal Tunnel Syndrome
Pale nail beds after injury to the wrist or hand may indicate:
Circulatory problems
Which of the following is a non articular fracture of the radius occurring approximately 1.5 inches proximal to the radiocarpal joint, causing a distal radius to be displaced dorsally
Colles fracture
Stenosing tenosynovitis of the first tunnel of the wrist through which the extensor pollicis brevis and abductor pollicis longus move is characteristic of
De Quervian's Syndrome
Which of the following is NOT a function of the TFCC?
Decreases loading stressed Stabilizes radial side carpals Stabilizes ulnar side carpals Stabilizes distal radioulnar joint.
Which of the following tests may be used to determine the function of the radial and ulnar arteries supplying the hand?
Digital Allen's test
What is the primary extensor of the lateral 4 fingers' IP joints and assists in wrist extension?
Extensor digitorum
Ape hand is a pathological hand posture resulting from weakness and atrophy of the hypothenar eminence
False
A boxer's fracture is a fracture of the:
Fifth Metacarpal
Which of the following tests is used to detect De Quervain's syndrome?
Finkelstein's test
Upon suffering a scapholunate islocation, ROM typical noted as painful for which of the following
Flexion/extension
What is the muscle responsible for the flexion of the 4 PIP joints?
Flexor digitorum superficialis
Which of the following does not pass through the carpal tunnel?
Flexor pollicis Brevis
Which of the following is the most common cause of wrist sprains?
Forced hyperextension
Which of the following is the most common cause of wrist sprains?
Forced hyperflexion
A sprain of the ulnar collateral ligament of the MCP joint of the thumb caused by forceful abduction of the proximal phalanx is called
Gamekeepers thumb
What is a benign collection of the thick fluid within a tendinous sheath or joint capsule foun on the wrist and hand called?
Ganglion cyst
___ Strength is often limited during carpal tunnel syndrome?
Grip and pinch
What is the most commonly dislocated carpal bone in the hand?
Lunate
A reverse Phalen's test is used to asses which nerve
Median
Which nerve travels through the carpal tunnel in the wrist?
Median nerve
10 structures that pass through the carpal tunnel
Median nerve, flexor digitorum superficialis tendons, flexor digitorum profundus tendons
Thenar muscles
Opponens pollicis, abductor pollicis brevis, flexor pollicis brevis
Which ligament is most important in controlling motion and wrist stability?
Palmar radiocarpal
Which of the following would be true regarding carpal tunnel syndrome?
Positive Tinel's sign over median nerve Positive phalen's test Weakness with manual muscle test of abductor pollicis brevis
Which of the following statements is correct?
Pseudo-boutonniere deformities show with limited active and passive extension
Extension of the thumb and fingers test damage to which nerve?
Radial
Which nerve supplies the primary innervation for wrist flexion and radial deviation?
Radial
What finger is commonly involved in Jersey finger?
Ring finger
Severe point tenderness in the anatomical snuff box may indicate a fracture to which bone?
Scaphoid
What is the most commonly fractured carpal bone in the hand?
Scaphoid
Which of the following is a radial fracture that displaces palmarly?
Smith's fracture
Identify the following injury/ condition
Subungual hematoma
Which of the following statements is NOT correct?
The trapezoid aligns with the 1st metacarpal The capitate aligns with the 3rd metacarpal The pisiform is in the proximal row of carpal bones The lunate is the 3rd bone in the proximal row when starting on the ulnar side
Which wrist pathology is commonly associated with clicking on the ulnar side of the wrist?
Triangular fibrocartilage tear
The Probability of fracturing the hook of the hamate is increased when someone is gripping an object such as a bat or racket
True
What is the ligament that is responsible for checking radial deviation and becomes taut at the end-ranges of flexion and extension?
UCL
The deep branch of what nerve innervates the hypothenar eminence?
Ulnar
A softball catcher is complaining of swelling over the hypothenar eminence and numbness into the small finger. Which structures might be injured?
Ulnar Nerve
Which nerve travels through the Tunnel of Guyon which is formed by the hamate and pisiform?
Ulnar nerve
What special test indicates a scapholunate ligament injury?
Watson's test
Which of the following muscles does not influence wrist movement?
extensor carpi radialis longus brachioradialis flexor digitorum flexor carpi ulnaris
Which of the following is not a function of the TFCC?
it decreases load stress it provides stability during flexion and extension it provides stability during pronation and supination it stabilizes the distal radioulnar joint
Which carpal bone "floats" on the triquetrum?
pisiform
