Haley S M
Phys Ther. 1986 Apr;66(4):531-6. doi: 10.1093/ptj/66.4.531.
The purpose of this study was to identify an empirically validated sequence of automatic postural reactions in a sample of 40 nonhandicapped infants. Using a cross-sectional design, we tested infants between the ages of 2 and 10 months for the presence of full and partial righting, equilibrium, and protective reactions. Two types of sequential analyses were performed. The Thurstone absolute scaling technique identified an age-related sequence, and the scalogram technique yielded a measure of the variability of the sequence. The sequence of postural reactions defined in this study is in general agreement with the sequence reported in previous clinical reports, although some differences in ordering are noted. A consistency index of .727 indicated that the sequence of postural reactions had fairly good predictive ability. This study contributes a data-based sequential model of postural reactions and an indication of the degree of sequential variability in the order of emergence of postural reactions in nonhandicapped infants. Definition of the sequence and the observed variability in nonhandicapped infants is an initial step in the understanding of the processes underlying the development of postural reactions.
本研究的目的是在40名无残疾婴儿的样本中确定经过实证验证的自动姿势反应序列。采用横断面设计，我们对2至10个月大的婴儿进行了测试，以检查其是否存在完全和部分翻正、平衡及保护性反应。进行了两种类型的序列分析。瑟斯顿绝对标度技术确定了与年龄相关的序列，而量表图技术得出了该序列变异性的一种度量。本研究中定义的姿势反应序列总体上与先前临床报告中所报告的序列一致，尽管在排序上存在一些差异。一致性指数为0.727，表明姿势反应序列具有相当好的预测能力。本研究提供了一个基于数据的姿势反应序列模型，并表明了无残疾婴儿姿势反应出现顺序中的序列变异性程度。定义无残疾婴儿的序列及其观察到的变异性是理解姿势反应发展背后过程的第一步。
