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Can sit-to-stand muscle power explain the ability to perform functional tasks in adults with severe obesity?

Orange, Samuel T.; Marshall, Phil; Madden, Leigh A.; Vince, Rebecca V.

Authors

Samuel T. Orange



Abstract

This study examined the relationship between sit-to-stand (STS) power and physical function in adults with severe obesity. Thirty-eight adults (age: 44 ± 12 years; body mass index [BMI]: 45.2 ± 7.8 kg/m2) completed evaluations of STS power, strength and functional performance. STS power was measured with a wearable inertial sensor, strength was assessed with the isometric mid-thigh pull, and function was measured with the timed up-and-go (TUG), six-minute walk test (6MWT) and 30-s chair STS. Power and strength (normalised to body mass) entered regression models in addition to age, gender, BMI and physical activity (daily step count). Power displayed large univariate associations with TUG (r = 0.50) and 30-s chair STS (r = 0.67), and a moderate association with 6MWT (r = 0.49). Forward stepwise regression revealed that power independently contributed to TUG (β = −0.40, p = 0.010), 30-s chair STS (β = 0.67, p < 0.001) and 6MWT performance (β = 0.27, p = 0.007). Power also appeared to be a superior determinant of function compared with strength. Power generated via the STS transfer largely underpins the ability to perform functional tasks in adults with severe obesity, although intervention studies are required to investigate a potentially causal relationship.

Citation

Orange, S. T., Marshall, P., Madden, L. A., & Vince, R. V. (2019). Can sit-to-stand muscle power explain the ability to perform functional tasks in adults with severe obesity?. Journal of sports sciences, 37(11), 1227-1234. https://doi.org/10.1080/02640414.2018.1553500

Journal Article Type Article
Acceptance Date Nov 23, 2018
Online Publication Date Dec 5, 2018
Publication Date 2019
Deposit Date Dec 6, 2018
Publicly Available Date Dec 6, 2019
Journal Journal of Sports Sciences
Print ISSN 0264-0414
Electronic ISSN 1466-447X
Publisher Taylor & Francis
Peer Reviewed Peer Reviewed
Volume 37
Issue 11
Pages 1227-1234
DOI https://doi.org/10.1080/02640414.2018.1553500
Keywords Physical Therapy, Sports Therapy and Rehabilitation; Orthopedics and Sports Medicine
Public URL https://hull-repository.worktribe.com/output/1174161
Publisher URL https://www.tandfonline.com/doi/full/10.1080/02640414.2018.1553500
Additional Information Peer Review Statement: The publishing and review policy for this title is described in its Aims & Scope.; Aim & Scope: http://www.tandfonline.com/action/journalInformation?show=aimsScope&journalCode=rjsp20; Accepted: 2018-11-23; Published: 2018-12-05

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