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重荷を運ぶ際の脊髄圧縮を評価するための超音波の信頼性
Sherrilyn Walters1,2,3, Ben Hoffman1,4, Celeste E Coltman5
1School of Health and Medical Sciences University of Southern Queensland Ipswich Queensland Australia.
JOR spine
|February 13, 2026
まとめ
超音波検査は,負荷下での腰椎の変化を確実に測定します. この低コストの方法は,職業的および臨床的な環境で脊髄圧縮を評価することができ,怪我の予防に役立ちます.
科学分野:
- バイオメカニクス バイオメカニクス
- 筋骨格の画像検査について
- 職業衛生は,健康に関するものです.
背景:
- 腰痛と脊髄損傷は,肉体的に厳しい仕事で早期退職の主要な原因です.
- 実践的な脊髄評価方法は,脊髄負荷と傷害リスクを軽減する介入の評価に不可欠です.
- ウルトラソノグラフィはディスクの高さを測定するために使用されているが,負荷下での横断プロセスの間の距離を測定するための信頼性は証明されていない.
研究 の 目的:
- 異なる負荷条件下での腰間間横断プロセスの距離を測定するための超音波の信頼性を確立する.
- 超音波で測定された腰椎骨格の幾何学に影響を及ぼすかどうかを判断する.
主な方法:
- 11人の健康な成人に超音波検査を行い,四つの条件下での腰間間横断プロセス距離 (L1-L5) を測定しました. 荷を背負わない状態で立っていること,荷を背負わない状態で15分,荷を背負った状態で25kgのベストを背負った状態で15分,荷を背負った状態で30分.
- 測定は,クラス内相関係数 (ICCs) と変数係数 (CVs) を使用して,インターレーター,内訪問,および訪問間の信頼性を評価するために1〜7日間にわたって繰り返されました.
- 一方向アノバで,負荷条件が,横断プロセス間の距離に与える影響を分析した.
主要な成果:
- 超音波検査は,評定者間,訪問内,訪問間での測定において良好から優れた信頼性を示した (ICCs: 0.81-0.99; CVs: 5.24% - 13.0%).
- 15分と30分間,負荷を背負って立っていると,L2/3,L3/4,および総腰間距離 (p <0.05) の横横のプロセス間距離が著しく減少しました.
結論:
- 超音波検査は,負荷を背負って立っているときの腰椎の幾何学的な変化を定量化するための信頼性があり,費用対効果の高いツールです.
- この技術は,職業的および臨床的な環境における機械的負荷への反応として脊髄圧縮の評価の可能性を示しています.
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