Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis

Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis Publisher Pubmed

Keshavarzi F¹ ; Azadinia F^{1, 2} ; Talebian S³ ; Rasouli O⁴

Show Affiliations

1. Department of Orthotics and Prosthetics, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
2. Rehabilitation Research Center, Iran University of Medical Sciences, Tehran, Iran
3. Department of Physiotherapy, School of Rehabilitation, Tehran University of Medical Sciences and Health Services, Tehran, Iran
4. Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway

Source: Musculoskeletal Science and Practice Published:2022

Abstract

Background: The association of back muscle weakness with greater thoracic kyphosis has been widely documented. Reliable and easy-to-use techniques are needed to monitor changes in muscle function over time and assess the effectiveness of therapeutic interventions. Therefore, the present study aimed to evaluate the test-retest reliability of a designed load-cell setup and two clinical tests, namely Ito and Timed loaded standing (TLS) tests for measuring back muscle function (i.e., strength and endurance) in older adults with and without hyperkyphosis. Method: Fifty-three older people (28 with thoracic hyperkyphosis and 25 normal age-matched controls) completed the present test-retest reliability study. A two-way random model of the Intraclass Correlation Coefficient (ICC2,3) was used to estimate relative reliability. Absolute reliability was assessed by calculating Standard Error of the Measurements (SEM) and Minimal Detectable Change (MDC). Results: The findings showed excellent test-retest reliability in all performed tests for this population (ICC = 0.95–0.99). In addition, the MDC values for measuring endurance time via load cell, Ito, and TLS tests in the hyperkyphosis group, were 16.5, 28.2, and 35.1 s, respectively. These values ranged from 36 to 39 s for the control group. Conclusion: The present study suggests high test-retest reliability of the designed load-cell setup, Ito, and TLS for assessing back extensor muscle strength and endurance in older adults with and or without hyperkyphosis. © 2021 Elsevier Ltd

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Style	Citing Format
MLA	Keshavarzi F, et al.. "Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis." Musculoskeletal Science and Practice, vol. 58, no. , 2022, pp. -.
APA	Keshavarzi F, Azadinia F, Talebian S, Rasouli O (2022). Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis. Musculoskeletal Science and Practice, 58(), -.
Chicago	Keshavarzi F, Azadinia F, Talebian S, Rasouli O. "Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis." Musculoskeletal Science and Practice 58, no. (2022): -.
Harvard	Keshavarzi F et al. (2022) 'Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis', Musculoskeletal Science and Practice, 58(), pp. -.
Vancouver	Keshavarzi F, Azadinia F, Talebian S, Rasouli O. Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis. Musculoskeletal Science and Practice. 2022;58():-.
BibTex	@article{ author = {Keshavarzi F and Azadinia F and Talebian S and Rasouli O}, title = {Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis}, journal = {Musculoskeletal Science and Practice}, volume = {58}, number = {}, pages = {-}, year = {2022} }
RIS	TY - JOUR AU - Keshavarzi F AU - Azadinia F AU - Talebian S AU - Rasouli O TI - Test-Retest Reliability of a Load Cell Setup, Ito, and Timed Loaded Standing Tests for Measuring Muscle Strength and Endurance in Older Adults With and Without Hyperkyphosis JO - Musculoskeletal Science and Practice VL - 58 IS - SP - EP - PY - 2022 ER -

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