Difference between qualitative and quantitative measurements during muscle-tendon length tests on the uni- and biarticular hip flexors
To determine the between-examiner agreement in subjective measurements of muscle-tendon lengths of the uni- and biarticular hip flexors during the Thomas test; and to compare the qualitative diagnosis with a quantitative diagnosis using photographs and test the reproducibility of the photographic me...
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| Published in: | Revista brasileira de fisioterapia (São Carlos (São Paulo, Brazil)) Vol. 9; no. 2; pp. 195 - 202 |
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| Main Authors: | , , |
| Format: | Journal Article |
| Language: | Portuguese |
| Published: |
01-08-2005
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| Online Access: | Get full text |
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| Summary: | To determine the between-examiner agreement in subjective measurements of muscle-tendon lengths of the uni- and biarticular hip flexors during the Thomas test; and to compare the qualitative diagnosis with a quantitative diagnosis using photographs and test the reproducibility of the photographic method. Fifteen subjects were photographed in initial and final positions of the Thomas test. Immediately after the test, the subjects were photographed another two times so as to create three datasets. Thus, a total of 90 photographs were obtained for determining how reproducible the test was. A set of 30 photos (15 in the initial and 15 in the final position) were randomly selected and presented to 16 experienced examiners. There was low agreement between the examiners in the subjective assessments of the muscle-tendon length of the uni- and biarticular hip flexors. The comparisons between the subjective and objective assessments showed that there were difficulties in differentiating subjects with normal muscle-tendon length from those with slight shortening (p > 0.05). On the other hand, the objective assessment showed high reproducibility between the sessions ( alpha = 0.96) and low absolute error (0.72 degree ) for the uniarticular hip flexors. The biarticular hip flexors also showed high reproducibility ( alpha = 0.95) and low absolute error (1.4 degree ). |
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| Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 content type line 23 ObjectType-Feature-2 |
| ISSN: | 1413-3555 |