Agreement between physiotherapists on quality of movement rated via videotape

Pomeroy, V M, Pramanik, A, Sykes, L, Richards, Jim orcid iconORCID: 0000-0002-4004-3115 and Hill, E (2003) Agreement between physiotherapists on quality of movement rated via videotape. Clinical rehabilitation, 17 (3). pp. 264-72. ISSN 0269-2155

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Although achieving quality of movement after stroke is an important aim of physiotherapy it is rarely measured objectively or described explicitly.


To test whether physiotherapists agree on a composite measure of quality of movement. SETTING; A movement analysis laboratory


Ten stroke patients and 10 healthy age-matched volunteers.


Prospective correlational.


All subjects were videofilmed performing three trials of six standardized functional tasks. Two videotapes were made, each with a different randomized order of appearance of the trials. Ten senior physiotherapists independently rated the videotapes twice using a 100-mm visual analogue scale.


Analysis of variance models were fitted to transformed data. Estimates of components of variance were calculated and presented as a percentage of the total variance for differences, within subjects (intra-subject), between raters (inter-rater) and within raters (intra-rater). An acceptable percentage was set at less than 10%.


The percentage of intra-subject variance ranged from 1% (pick up box and walking) to 9% (step on block). The percentage of inter-rater variance ranged from 18% (pick up pencil) to 38% (sit to stand). The percentage of intra-rater variance was less than 1% for all tasks.


Although physiotherapists disagreed with each other on quality of movement they were more consistent in their own scoring.

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