Development of an instrumented couch to measure forces during manual physiotherapy treatment

A. Chiradejnant*, C. G. Maher, J. Latimer

*Corresponding author for this work

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This paper reports on an instrumented couch developed to measure the forces applied during posteroanterior (PA) mobilization to the lumbar spine. The couch was evaluated for reliability by applying known weights to the empty couch, while accuracy was investigated by applying weights both to the empty couch and to a human subject lying on the couch. The equipment appears highly reliable when measuring forces in three directions (ICC (2,1); 99% CI=0.99-1.00) and also demonstrates acceptable accuracy; a maximum error of less than 2% being obtained when measuring forces applied to human subjects. The results demonstrate a highly linear relationship (r 2 =0.99) between the force readings and the known weights. In conclusion, the instrumented couch demonstrates suitable accuracy and reliability for measuring the force applied to a subject during the application of PA mobilization to the lumbar spine.

Original languageEnglish
Pages (from-to)229-234
Number of pages6
JournalManual Therapy
Volume6
Issue number4
DOIs
Publication statusPublished - 2001
Externally publishedYes

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