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Validity and Reliability of a 2-Min Walk Test to Assess the Exercise Capacity in Vertebral Compression Fracture
Akio Goda1, Yutaka Morishima2, Nobuto Yokohara2
1Department of Physical Therapy, Faculty of Health Science, Kyoto Tachibana University.
Physical Therapy Research
|July 11, 2019
Summary
The 2-minute walk test (2MWT) is a valid and reliable measure of exercise capacity for patients with vertebral compression fractures (VCFs). This simple test is practical and well-tolerated by VCF patients.
Area of Science:
- Rehabilitation Medicine
- Clinical Exercise Physiology
- Geriatric Medicine
Background:
- Vertebral compression fractures (VCFs) impact patient exercise tolerance.
- The 2-minute walk test (2MWT) is a potential simple measure for VCF patients.
- The validity and reliability of the 2MWT in VCF patients remain unverified.
Purpose of the Study:
- To investigate the validity and reliability of the 2MWT in patients with VCFs.
- To establish the 2MWT as a practical tool for assessing exercise capacity in this population.
Main Methods:
- A pilot study involving ten inpatient VCF patients.
- Testing conducted over three days within a 5-day period.
- Included repeated 2MWT trials for reliability (ICC) and a 6-minute walk test (6MWT) for construct validity.
Main Results:
- The 2MWT demonstrated high construct validity, significantly correlating with the 6MWT (r=0.945, p<0.05).
- High test-retest reliability was observed for the 2MWT (ICC=0.98, p<0.05).
Conclusions:
- The 2MWT is a valid and reliable assessment tool for exercise capacity in VCF patients.
- The 2MWT is practical, simple, and well-tolerated by individuals with VCFs.
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