Abstract
Objectives
To investigate (1) the intrarater, interrater, and test-retest reliability of the
timed 360° turn test in subjects with stroke; (2) the concurrent validity of the timed
360° turn test by exploring its correlation with other measures of stroke-specific
impairments; and (3) the cutoff times that best discriminate individuals with stroke
from healthy older adults.
Design
Cross-sectional study.
Setting
University-based rehabilitation center.
Participants
Individuals with chronic stroke (n=72) and healthy individuals (n=35) of similar age
(N=107).
Interventions
Not applicable.
Main Outcome Measures
The timed 360° turn test was administered along with the Fugl-Meyer assessment of
the lower extremity, measurement of muscle strength of ankle dorsiflexors and plantarflexors
using a handheld dynamometer, Berg Balance Scale, limit of stability test, five times
sit-to-stand (FTSTS) test, 10-m walk test, and timed Up and Go (TUG) test.
Results
The 360° turn times showed excellent intrarater, interrater, and test-retest reliability
in individuals with stroke. A minimal detectable change of .76 seconds was found for
subjects turning toward the affected side and 1.22 seconds for subjects turning toward
the unaffected side. The 360° turn times were found to correlate significantly with
Fugl-Meyer assessment of the lower extremity scores, dosiflexor strength of the affected
ankle, plantarflexor strength of both ankles, FTSTS test times, balance performance,
gait speed, and TUG test times. The 360° turn times of 3.43 to 3.49 seconds were shown
to discriminate reliably between individuals with stroke and healthy older adults.
Conclusions
The timed 360° turn test is a reliable and an easily administered clinical tool to
assess the turning ability of subjects with chronic stroke.
Keywords
List of abbreviations:
AUC (area under the curve), BBS (Berg Balance Scale), FMA-LE (Fugl-Meyer assessment of the lower extremity), FTSTS (five times sit-to-stand), ICC (intraclass correlation coefficient), LOS (limit of stability), MDC (minimal detectable change), TUG (timed Up and Go)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: December 13, 2015
Footnotes
S.S.N. was supported by General Research Grant (grant no. 562413) from Hong Kong's Research Grants Council.
Disclosures: none.
Identification
Copyright
© 2016 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.
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