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