MEval Midterms (Wrist and Hand)

Distal Radioulnar joint is a

• biaxial pivot joint

• uniaxial saddle joint

• uniaxial hinge joint

• uniaxial pivot joint

During pronation the radius moves forward and medially, while it moves back and laterally during supination in relation to the ulna

• Both statements are correct

• Both statements are incorrect

• 1st statement is correct, 2nd statement is incorrect

• 1st statement is incorrect, 2nd statement is correct

Resting position of DRU

• 15° of supination

• 10° of pronation

• 10° of supination

• 15° of pronation

Close packed position of DRU

• 5° of supination

• 10° of supination

• 10° of pronation

• 5° of pronation

Capsular pattern of DRU

• Supination, pronation

• pronation, supination

• supination, rotation

• Full range of motion, pain at extremes of rotation

Capsular pattern of DRU

• Supination, pronation

• pronation, supination

• supination, rotation

• Full range of motion, pain at extremes of rotation

Radiocarpal joint is a

• biaxial pivot joint

• biaxial ellipsoid joint

• uniaxial ellipsoid joint

• uniaxial pivot joint

The anterior part of the TFCC prevents the posterior displacement of the ulna while the posterior part prevents anterior displacement of ulna

• Both statements are correct

• Both statements are incorrect

• 1st statement is correct, 2nd statement is incorrect

• 1st statement is incorrect, 2nd statement is correct

It acts at the cushion for wrist joint and major stabilizer of the distal radioulnar joint

• TFCC

• ulnotriquetral ligament

• lunotriquetral ligament

• ulnolunate ligament

Scaphoid is the most commonly fractured carpal bone. Lunate is the most commonly dislocated

• Both statements are correct

• Both statements are incorrect

• 1st statement is correct, 2nd statement is incorrect

• 1st statement is incorrect, 2nd statement is correct