試題詳解

43.某君在腕屈曲（wrist flexion）時所測得的掌指關節（MP joint）PROM角度值，與在腕伸張（wrist extension）時所測得掌指 關節PROM角度值同為45度，此患者最可能有下列何種臨床表徵？
(A)joint tightness
(B)musculotendinous tightness
(C)extrinsic tightness
(D)extensor central slip rupture