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<p>Inertia-based resistance exercise with flywheels leads to strong acute metabolic responses. However, the metabolic kinetics during a multi-set flywheel squat protocol with increasing loads remains unknown. The aim of the study was to assess the course of blood lactate concentrations (BLC), oxygen uptake (VO<sub>2</sub>), heart rate (HR) and power during a multi-set protocol of flywheel squat training. Seventeen recreationally trained healthy men (24.3 ± 3.8 years, BMI 24.1 ± 2.2, VO<sub>2max</sub> 49.4 ± 6.9&#xa0;mL/min/kg) completed 5 sets and 15 repetitions flywheel squats. The BLC (<i>ŋ</i><sup>2</sup> = 0.932), VO<sub>2</sub> (<i>ŋ</i><sup>2</sup> = 0.899) and HR (<i>ŋ</i><sup>2</sup> = 0.879) increased significantly over the sets (<i>P</i> &lt; 0.05). %HR<sub>max</sub> and %VO<sub>2max</sub> increased significantly from pre to post-loading (<i>P</i> &lt; 0.001), reaching a threshold of 80% HR<sub>max</sub> after set 2 and 60% VO<sub>2max</sub> after set 4, respectively. The power parameters P<sub>MEAN</sub> (<i>ŋ</i><sup>2</sup> = 0.191), P<sub>ECC</sub> (<i>ŋ</i><sup>2</sup> = 0.149) and P<sub>CON</sub> (<i>ŋ</i><sup>2</sup> = 0.062) showed significant decreases after set 2 (<i>P</i> &lt; 0.05). A multi-set flywheel squat protocol with increasing loads leads to high metabolic and cardiorespiratory demands, which appear to increase linearly with an increase in inertial load.</p>

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Metabolic Responses of Eccentric Accentuated Flywheel Squats by a Multi-set Protocol with Increasing Loads

  • 期刊论文

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  • 发表日期：

    2025年2月28日

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  • Tilo Neuendorf,
  • Maurice Kaden,
  • Ellen Wachler,
  • Moritz Schumann,
  • Nico Nitzsche

摘要

Inertia-based resistance exercise with flywheels leads to strong acute metabolic responses. However, the metabolic kinetics during a multi-set flywheel squat protocol with increasing loads remains unknown. The aim of the study was to assess the course of blood lactate concentrations (BLC), oxygen uptake (VO2), heart rate (HR) and power during a multi-set protocol of flywheel squat training. Seventeen recreationally trained healthy men (24.3 ± 3.8 years, BMI 24.1 ± 2.2, VO2max 49.4 ± 6.9 mL/min/kg) completed 5 sets and 15 repetitions flywheel squats. The BLC (ŋ2 = 0.932), VO2 (ŋ2 = 0.899) and HR (ŋ2 = 0.879) increased significantly over the sets (P < 0.05). %HRmax and %VO2max increased significantly from pre to post-loading (P < 0.001), reaching a threshold of 80% HRmax after set 2 and 60% VO2max after set 4, respectively. The power parameters PMEAN (ŋ2 = 0.191), PECC (ŋ2 = 0.149) and PCON (ŋ2 = 0.062) showed significant decreases after set 2 (P < 0.05). A multi-set flywheel squat protocol with increasing loads leads to high metabolic and cardiorespiratory demands, which appear to increase linearly with an increase in inertial load.