1.Smple fenestration was adopted to resect the ligamenta flava to treat retro-Lumbar spinal stenosis for36 cases.

1.采用单纯开窗,黄切除手术,治疗退形性腰椎管狭窄症36例。

2.Methods 34 cases of normal human ligamenta flava were determined by salt precipitation , the collagen samples were analyzed by SDS - PAGE.

2.方法用盐析法对34个正常黄本中的Ⅰ型Ⅱ型胶原含测定,并用SDS-PAGE法胶原的分型确定。

3.Results To be overweight and superfatted is universal phenomena about midlife in-service cadre,which cause weak heart and lung and renitent muscle and ligamenta of waist.

3.结果超重及脂肪含超是中年在职干部普遍存在的问题,由此导致心肺能力下降、腰部肌肉的柔性降低等一系列问题。