单项选择题
A.30°/s B.60°/s C.90°/s D.120°/s E.180°/s
A.50~100ml B.100~150ml C.150~200ml D.200~250ml E.250~300ml
A.拔伸牵引 B.旋转颈椎 C.松动棘突 D.松动横突 E.松动椎间关节