Supervised exercise has achieved greater health outcomes than unsupervised exercise in clinical exercise trials, however, comparisons between supervision types have not been made in healthy employees. This randomised controlled trial compared the effectiveness of personal, non-personal and no-exercise supervision in the workplace to improve employee cardiometabolic health.Methods: Eighty-five Australian university employees (62 female; mean±SD 43.2±9.8 years) were randomised to either personal (1:1; SUP, N=28) supervision, non-personal (typical gym-based; NPS, N=28) supervision or unsupervised control (CON, N=29) exercise groups. Participants received a 16-week, individually tailored, moderate-to-high intensity aerobic and resistance exercise program to complete at an onsite gymnasium (SUP and NPS) or without access to a specific exercise facility (CON). Changes to cardiorespiratory fitness (CRF; V̇O2 peak), muscular strength (1RM bench and leg press) and body composition (body fat % measured by DXA) were analysed using repeated measures ANOVA.Results: Mean changes to CRF were greater (p<0.01) with SUP (+10.4±11.1%) compared to CON (+3.8±8.9%), but not different to NPS (+8.6±8.2%). When compared to CON (+1.7±7.7%), mean upper body strength changes were significantly greater with both SUP (+12.8±8.4%; p<0.001) and NPS (+8.4±7.3%; p<0.05). Mean lower body strength changes were greater with SUP (+26.3±12.7%) compared to both NPS (+15.0 ± 14.6%; p<0.05) and CON (+4.1 ± 12.4%; p<0.001), and NPS compared to CON (p<0.01). Mean reductions to body fat were greater with SUP (-2.2±2.2%) compared to both NPS (-0.6±1.9%; p<0.05) and CON (-0.7±1.9%; p<0.05). Conclusion: Access to an onsite exercise facility and personal (1:1) exercise supervision confers greater improvements to CRF than unsupervised exercise, and greater improvements to muscular strength and body composition than non-personal (typical gym) supervision or unsupervised exercise over 16 weeks.
|Publication status||Published - 27 Mar 2018|
|Event||Exercise and Sports Science Australia, Research to Practice - Brisbane Convention & Exhibition Centre, Brisbane, Australia|
Duration: 27 Mar 2018 → 29 Mar 2018
http://researchtopractice2018.com.au/program/ (conference program)
|Conference||Exercise and Sports Science Australia, Research to Practice|
|Period||27/03/18 → 29/03/18|
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Hunter, Jayden (Recipient), 29 Mar 2018
Prize: Award › External awardFile