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Exercise Supervision Is Important for Cardiometabolic Health Improvements: A 16-Week Randomized Controlled Trial

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posted on 2020-12-09, 01:40 authored by Jayden HunterJayden Hunter, Brett GordonBrett Gordon, Stephen R Bird, Amanda C Benson
Hunter, JR, Gordon, BA, Bird, SR, and Benson, AC. Exercise supervision is important for cardiometabolic health improvements: a 16-week randomized controlled trial. J Strength Cond Res 34(3): 866-877, 2020-Exercise supervision enhances health and fitness improvements in clinical populations compared with unsupervised or home-based exercise, but effects of supervision type are unknown in healthy employees. Eighty-five Australian university employees (62 females; mean ± SD 43.2 ± 9.8 years) were randomized to personal (1:1; SUP, n = 28), nonpersonal (typical gym-based; NPS, n = 28) supervision or unsupervised control (CON, n = 29) exercise groups. Subjects received a 16-week individually tailored, moderate-to-high intensity aerobic and resistance exercise program completed at an onsite exercise facility (SUP and NPS) or without access to a specific exercise facility (CON). Repeated-measures ANOVA analyzed changes to cardiometabolic outcomes. Mean ± SD increases to V[Combining Dot Above]O2 peak were greater (p < 0.01) with SUP (+10.4 ± 11.1%) vs. CON (+3.8 ± 8.9%) but not different to NPS (+8.6 ± 8.2%). Compared to CON (+1.7 ± 7.7%), upper-body strength increases were greater with SUP (+12.8 ± 8.4%; p < 0.001) and NPS (+8.4 ± 7.3%; p < 0.05). Lower-body strength increases were greater with SUP (+26.3 ± 12.7%) vs. NPS (+15.0 ± 14.6%; p < 0.05) and CON (+4.1 ± 12.4%; p < 0.001), and NPS vs. CON (p < 0.01). Body fat reductions were greater with SUP (-2.2 ± 2.2%) vs. NPS (-0.6 ± 1.9%; p < 0.05) and CON (-0.7 ± 1.9%; p < 0.05). Access to an onsite exercise facility with personal or nonpersonal exercise supervision was important for improving several cardiometabolic outcomes, with greater improvements to lower-body strength and body composition from personal 1:1 exercise supervision.


This work was supported by internal funding from the School of Health and Biomedical Sciences, RMIT University, Australia, and the lead author was supported by the Australian Postgraduate Award.


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Journal of Strength and Conditioning Research








National Strength and Conditioning Association



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