Exercise supervision is important for cardiometabolic health improvements in the workplace: a 16-week randomised controlled trial

Jayden Hunter, Brett A Gordon, Stephen R Bird, Amanda C Benson

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Abstract

Introduction: Low cardiorespiratory fitness (CRF) and poor muscular strength are risk factors for cardiometabolic disease. This randomised controlled trial compared direct, indirect and no exercise supervision on cardiometabolic fitness.Methods: Eighty-five Australian university employees (62 female; mean±SD 43.2±9.8 years) were randomised to either direct 1:1 supervision (DIR; N=28), indirect supervision (IND; N=28) or unsupervised control (CON; N=29) exercise groups for a 16-week individually-tailored, moderate-to-high intensity aerobic and resistance exercise program. Changes to CRF (V̇O2 peak) and muscular strength (1RM bench and leg press) were analysed using repeated measures ANOVA.Results: Mean changes to CRF were greater (p<0.01) with DIR (+10.4±11.1%) compared to CON (+3.8±8.9%), but not different compared to IND (+8.6±8.2%) supervision. When compared to CON (+1.7±7.7%), mean upper body strength changes were significantly greater with DIR (+12.8±8.4%; p<0.001) and IND (+8.4±7.3%; p<0.05). Mean lower body strength changes were greater with DIR (+26.3±12.7%) compared to IND (+15.0 ± 14.6%; p<0.05) and CON (+4.1 ± 12.4%; p<0.001), and IND compared to CON (p<0.01).Discussion: Direct exercise supervision achieved greater increases to muscular strength compared to indirect and no exercise supervision. Exercise supervision is necessary to obtain CRF benefits in university employees over a 16-week intervention.Key words: workplace, exercise supervision, aerobic training, resistance training, metabolic health
Original languageEnglish
Publication statusPublished - 22 Sep 2017
EventHealth of the Working Age Population - Grand Hotel Portoroz, Portoroz, Slovenia
Duration: 22 Sep 201722 Sep 2017
http://www.fvz.upr.si/en/clone-conference-health-working-age-population-22-september-2017-portoroz-slovenia (conference website)

Conference

ConferenceHealth of the Working Age Population
CountrySlovenia
CityPortoroz
Period22/09/1722/09/17
Internet address

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    Hunter, J., Gordon, B. A., Bird, S. R., & Benson, A. C. (2017). Exercise supervision is important for cardiometabolic health improvements in the workplace: a 16-week randomised controlled trial. Abstract from Health of the Working Age Population, Portoroz, Slovenia.