Repeated single-limb postural stability testing elicits a practice effect

Jonathan Warren; Anthony G. Schneiders; S. John Sullivan; Melanie L. Bell

doi:10.1016/j.ptsp.2006.06.002

Repeated single-limb postural stability testing elicits a practice effect

Jonathan Warren, Anthony G. Schneiders, S. John Sullivan, Melanie L. Bell

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Objective: To document the effects of repeated testing on the single-leg stance balance task. Design: Single cohort repeated measures. Setting: Laboratory in an educational institution. Subjects: Thirty-two healthy males and females. Outcome measure: The number of errors (deviations from the required posture) during each 20-s trial summed over the eight conditions recorded on six occasions. Results: There was a statistically significant (p=.0013) decrease in the number of errors recorded over the six sessions, from 26.8 (95% CI: 23.1-30.5) to 19.7 (95% CI: 16.3-23.1). Linear regression confirmed a systematic decrease of 1.5 errors per session on average (95% CI: 1.0-1.9; p<.0001). Conclusion: The decreased number of errors (increased performance) with repeated testing alerts clinicians to the need for care when using this test protocol to measure rehabilitation interventions.

Original language	English (US)
Pages (from-to)	185-190
Number of pages	6
Journal	Physical Therapy in Sport
Volume	7
Issue number	4
DOIs	https://doi.org/10.1016/j.ptsp.2006.06.002
State	Published - Nov 2006
Externally published	Yes

Keywords

Balance
Measurement
Practice effects
Single-leg stance

ASJC Scopus subject areas

Orthopedics and Sports Medicine
Physical Therapy, Sports Therapy and Rehabilitation

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10.1016/j.ptsp.2006.06.002

Cite this

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title = "Repeated single-limb postural stability testing elicits a practice effect",

abstract = "Objective: To document the effects of repeated testing on the single-leg stance balance task. Design: Single cohort repeated measures. Setting: Laboratory in an educational institution. Subjects: Thirty-two healthy males and females. Outcome measure: The number of errors (deviations from the required posture) during each 20-s trial summed over the eight conditions recorded on six occasions. Results: There was a statistically significant (p=.0013) decrease in the number of errors recorded over the six sessions, from 26.8 (95% CI: 23.1-30.5) to 19.7 (95% CI: 16.3-23.1). Linear regression confirmed a systematic decrease of 1.5 errors per session on average (95% CI: 1.0-1.9; p<.0001). Conclusion: The decreased number of errors (increased performance) with repeated testing alerts clinicians to the need for care when using this test protocol to measure rehabilitation interventions.",

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AU - Warren, Jonathan

AU - Schneiders, Anthony G.

AU - Sullivan, S. John

AU - Bell, Melanie L.

PY - 2006/11

Y1 - 2006/11

N2 - Objective: To document the effects of repeated testing on the single-leg stance balance task. Design: Single cohort repeated measures. Setting: Laboratory in an educational institution. Subjects: Thirty-two healthy males and females. Outcome measure: The number of errors (deviations from the required posture) during each 20-s trial summed over the eight conditions recorded on six occasions. Results: There was a statistically significant (p=.0013) decrease in the number of errors recorded over the six sessions, from 26.8 (95% CI: 23.1-30.5) to 19.7 (95% CI: 16.3-23.1). Linear regression confirmed a systematic decrease of 1.5 errors per session on average (95% CI: 1.0-1.9; p<.0001). Conclusion: The decreased number of errors (increased performance) with repeated testing alerts clinicians to the need for care when using this test protocol to measure rehabilitation interventions.

AB - Objective: To document the effects of repeated testing on the single-leg stance balance task. Design: Single cohort repeated measures. Setting: Laboratory in an educational institution. Subjects: Thirty-two healthy males and females. Outcome measure: The number of errors (deviations from the required posture) during each 20-s trial summed over the eight conditions recorded on six occasions. Results: There was a statistically significant (p=.0013) decrease in the number of errors recorded over the six sessions, from 26.8 (95% CI: 23.1-30.5) to 19.7 (95% CI: 16.3-23.1). Linear regression confirmed a systematic decrease of 1.5 errors per session on average (95% CI: 1.0-1.9; p<.0001). Conclusion: The decreased number of errors (increased performance) with repeated testing alerts clinicians to the need for care when using this test protocol to measure rehabilitation interventions.

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KW - Measurement

KW - Practice effects

KW - Single-leg stance

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Repeated single-limb postural stability testing elicits a practice effect

Abstract

Keywords

ASJC Scopus subject areas

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