6. 依據 Mathiowetz 等人（1984）建議，用握力器（dynamometer）施測手握力（grip strength）的標準姿勢為： (A) Shoulder adduction，elbow flexion at 90 degree，forearm in neutral position (B) Shoulder adduction，elbow extension at 0 degree，forearm in neutral position (C) Shoulder abduction，elbow flexion at 90 degree，forearm in neutral position (D) Shoulder abduction，elbow extension at 0 degree，forearm in neutral position