Comparison of Cardiorespiratory and Metabolic Responses Between Kettlebell Half Marathon and Treadmill Running at the Sa
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ORIGINAL ARTICLE
Comparison of Cardiorespiratory and Metabolic Responses Between Kettlebell Half Marathon and Treadmill Running at the Same Average Oxygen Consumption: A Case Study Davide Greco1 · Luca Calanni1 · Giuseppe Cerullo2 · Massimo Negro1 · Giuseppe D’Antona1,3 Received: 26 February 2020 / Accepted: 3 September 2020 © The Author(s) 2020
Abstract Purposes In kettlebell sport (KS) half marathon, the lift of the kettlebell is required for the highest number of repetitions in 30 min. No data are available on cardiorespiratory and metabolic responses during this exercise routine. The aim of the study was to evaluate cardiopulmonary and metabolic responses to KS half marathon compared to 30 min treadmill running, chosen as a reference paradigm of aerobic exercise, at the same average oxygen consumption (VO2). Methods A male elite KS athlete was enrolled in two trials separated by 7 days of rest. In the first trial, one-hand long-cycle KS exercise with a 1/3 body weight kettlebell was performed for 30 min (kettlebell half marathon, KT); in the second trial, 30 min treadmill running (TR) was performed at the same average VO2 measured in the first trial (speed 9–10 km/h at 1° uphill inclination). Metabolic and cardiopulmonary assessments [respiratory exchange ratio (RER), tidal volume (TV), breathing frequency (f), minute ventilation (VE)], blood lactate (BL) kinetics, heart rate (HR), and blood pressure (BP) were measured in both experimental sessions. Results The average V O2 was 33.3 mL/min/kg in KT and 30.6 mL/min/kg in TR. The subject achieved R ERpeak 1.17, R ERmean 0.98, HRpeak 172 bpm (94% HRmax), HRmean 86% of HRmax, BPpeak 220/100 mmHg in KT, BLpeak 7.2 mmol/L (during trial) in KT and RERpeak 1.13, RERmean 0.89, HRpeak 142 bpm (78% HRmax), HRmean 70% of HRmax, BPpeak 160/80 mmHg, BLpeak 3.5 mmol/L (4 min after trial) mmol/L in TR. Conclusion Data indicate that a KS half marathon determines much higher cardiopulmonary and metabolic responses to treadmill running performed at similar VO2. Keywords Kettlebell sport · Blood lactate · Blood pressure · Heart rate · Oxygen consumption
Introduction In kettlebell sport (KS), the lift of a heavy tool, the kettlebell, is required for the highest number of repetitions in an established period. In the frame of KS, KS marathon Davide Greco and Luca Calanni contributed equally to the work * Giuseppe D’Antona [email protected] 1
CRIAMS‑Sport Medicine Centre, University of Pavia, Voghera, Italy
2
Department of Movement Sciences and Wellbeing, Parthenope University, Naples, Italy
3
Department of Public Health, Experimental and Forensic Medicine and Sport Medicine Centre Voghera, University of Pavia, via Foscolo, 13, 27058 Voghera, Italy
and KS 1/2 marathon consists in lifting the load for 1 h and for 30 min, respectively, without releasing it on the ground. In 2010 the discipline has been coded by the International Kettlebell Federation (IKMF) and currently involves around 1000 athletes in Italy. Considering that in KS the hea
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