Stokes I A, Abery J M
Spine (Phila Pa 1976). 1980 Nov-Dec;5(6):525-8. doi: 10.1097/00007632-198011000-00007.
The hamstring muscles can restrict hip flexion, especially when the knees are extended. It was hypothesized that individuals with short or tight hamstrings would have abnormal tilting of the pelvis in some seated postures, with greater flattening or reversal of the lumbar lordosis. Healthy adults were studied. A toe-touch test was used to measure range of hip flexion. Lumbar spine curvature was measured in standing, in sitting with the knees flexed, and in sitting with knees partially extended. Large individual variations in range of hip flexion were found. Persons with a small range had the most pronounced change in spine curvature in the second seated posture. It is concluded that attention should be given to this effect of the hamstrings on the lumbar spine when workplaces are designed.
腘绳肌会限制髋关节的屈曲，尤其是在膝关节伸直时。据推测，腘绳肌短缩或紧张的个体在某些坐姿下会出现骨盆异常倾斜，腰椎前凸会更加变平或反向。对健康成年人进行了研究。采用脚趾触碰试验来测量髋关节屈曲范围。在站立位、屈膝坐位和膝关节部分伸直坐位时测量腰椎曲度。发现髋关节屈曲范围存在较大的个体差异。在第二种坐姿下，屈曲范围小的人脊柱曲度变化最为明显。结论是，在设计工作场所时应注意腘绳肌对腰椎的这种影响。
