IMPACT OF THE SITTING POSITION ON LUMBAR LORDOSIS AND ITS CORRELATION WITH PELVIC PARAMETERS

Q4 Medicine Coluna/ Columna Pub Date : 2022-01-01 DOI:10.1590/s1808-185120222104262613
Roberto Topolniak, N. Astur, William Zarza Santos, R. Mendonça, A. Gotfryd, M. F. Caffaro, R. Meves
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Abstract

ABSTRACT Objective: To evaluateboth the correlation between lumbar accommodation and pelvic parametersin different types of lordosis and the participation of different lumbar segments in the accommodation of lordosis in the standing and sitting positions. Methods: A retrospective study analyzingpatient images in standing and sitting positions. Correlations were conducted among the measured data: Cobb angle of the lumbar lordosis (LL,type of lordosis, pelvic incidence (PI),sacral slope (SS),pelvic tilt (PT), and the angulation of the L1-L2/L2-L3/L3-L4/L4-L5/L5-S1 segments. Results: Fortypatients were included, 20 men and 20 women. The mean age was 60.8 (±11.5). Of these patients, 10.3% were classified as Roussouly type 2, 35.9% as type 3, 25.6% as type 3A, and 28.2%as type 4.There was a weakcorrelation between LL and PT, however, an inverse correlation between the two (r=-0.183 and p=0.264) was observed. SS hadthe strongest correlation with LL (r> 0.75). Only the correlation between LL and PI was stronger when sitting than standing (p=0.014). The pelvic parameters and angulations of the segments and lumbar discs when standing and sitting were different (p<0.05). In both positions, there was a difference in the contribution of the segments to the LL (p<0.001). On average, the differences in LL between standing and sitting wereequal among theRoussouly classifications (p=0.332). Conclusions: There was a correlation between the LL and the pelvic parameters, being more evident with the SS than with the other parameters. There was no difference in the accommodation of the LL in the different Roussouly types either standing or sitting. Regardless of the position,the L4-S1 segments were predominant in the composition of LL. Level of evidence IV; Retrospective.
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坐姿对腰椎前凸的影响及其与骨盆参数的相关性
【摘要】目的:评价不同前凸类型腰椎调节与骨盆参数的相关性,以及不同腰椎节段在站立和坐姿时前凸调节中的作用。方法:回顾性分析患者站立和坐位影像。测量数据之间进行相关性分析:腰椎前凸的Cobb角(LL)、前凸类型、骨盆发生率(PI)、骶骨斜率(SS)、骨盆倾斜(PT)以及L1-L2/L2-L3/L3-L4/L4-L5/L5-S1节段的角度。结果:共纳入40例患者,男20例,女20例。平均年龄60.8岁(±11.5岁)。其中10.3%为Roussouly 2型,35.9%为3型,25.6%为3A型,28.2%为4型。LL与PT呈弱相关,但两者呈负相关(r=-0.183, p=0.264)。SS与LL的相关性最强(r < 0.05)。只有坐着时LL与PI的相关性强于站着时(p=0.014)。站立与坐位时盆腔参数、节段及腰椎间盘角度差异有统计学意义(p<0.05)。在这两个位置,各节段对LL的贡献存在差异(p<0.001)。平均而言,在roussouly分类中,站立和坐姿之间的LL差异相等(p=0.332)。结论:LL与盆腔参数有相关性,其中SS与LL的相关性较其他参数更明显。在站立和坐着两种不同的Roussouly类型中,lll的适应性没有差异。无论位置如何,L4-S1节段在LL的组成中占主导地位。证据等级IV;回顾。
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来源期刊
Coluna/ Columna
Coluna/ Columna Medicine-Surgery
CiteScore
0.40
自引率
0.00%
发文量
32
审稿时长
10 weeks
期刊最新文献
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