Eccentric cycling is more efficient in reducing fat mass than concentric cycling in adolescents with obesity

Scandinavian Journal of Medicine & Science in Sports
Valérie JulianRuddy Richard

Abstract

The benefits of eccentric (ECC) training on fat mass (FM) remain underexplored. We hypothesized that in obese adolescents, ECC cycling training is more efficient for decreasing whole-body FM percentage compared to concentric (CON) performed at the same oxygen consumption (VO2 ). Twenty-four adolescents aged 13.4 ± 1.3 years (BMI > 90th percentile) were randomized to ECC or CON. They performed three cyclo-ergometer sessions per week (30 min per session) for 12 weeks: two habituation, 5 at 50% VO2peak , and 5 at 70% VO2peak . Anthropometric measurements, body composition, maximal incremental CON tests, strength tests, and blood samples were assessed pre- and post-training. Whole-body FM percentage decreased significantly after compared to pretraining in both groups, though to a larger extent in the ECC group (ECC: -10% vs CON: -4.2%, P < 0.05). Whole-body lean mass (LM) percentage increased significantly in both groups after compared to pretraining, with a greater increase in the ECC group (ECC: 3.8% vs CON: 1.5%, P <0.05). The improvements in leg FM and LM percentages were greater in the ECC group (-6.5% and 3.0%, P = 0.01 and P < 0.01). Quadriceps isometric and isokinetic ECC strength increased significantly more in the ECC gro...Continue Reading

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Citations

Mar 29, 2019·Medicine and Science in Sports and Exercise·Julianne TouronRuddy Richard
Apr 16, 2019·Frontiers in Physiology·Pierre ClosRomuald Lepers
Sep 17, 2019·Journal of Applied Physiology·Giuseppe CoratellaPierre Clos
May 21, 2020·Minerva cardioangiologica·Mariangela PeruzziElena Cavarretta
May 28, 2019·Frontiers in Physiology·Stéphanie HodyPierre Leprince
Nov 13, 2020·European Journal of Applied Physiology·Renan Vieira BarretoBenedito Sérgio Denadai
Nov 14, 2020·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Emma Fletcher, Paul M Gordon
Oct 31, 2020·Obesity Research & Clinical Practice·Valérie JulianMartine Duclos
Sep 18, 2021·Scandinavian Journal of Medicine & Science in Sports·Pierre ClosRomuald Lepers
Sep 2, 2021·Medicine and Science in Sports and Exercise·Georgios MavropaliasKazunori Nosaka

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Methods Mentioned

BETA
X‐ray

Clinical Trials Mentioned

NCT02925572
NCT02275455

Software Mentioned

BreezeSuite
Hologic QDR
BORG
Stata

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