颈托的作用，不包括哪个？

A.固定颈椎于适当的位置，改变不良体位，以保持正常体位(Fixthecervicalspineinaproperpositionandchangetheunhealthyposturetomaintainthenormalposture)

B.限制颈部过度活动以保持局部稳定(Limitexcessiveneckmovementtomaintainlocalstability)

C.缓解与改善锥间隙的压力状态，减少颈椎间盘的劳损、退变(Relieveandimprovethepressurestateoftheconespace，reducethestrainanddegenerationofcervicalintervertebraldisc)

D.属于小手术的治疗方式(Belongstothetreatmentofminorsurgery)

正确答案：D