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Gazzetta Medica Italiana - Archivio per le Scienze Mediche 2019 January-February;178(1-2):56-65

DOI: 10.23736/S0393-3660.17.03690-7


lingua: Inglese

Short-term detraining is not enough to reduce positive adaptations of kettlebell training on power and strength variables in physically active women

Weverton RUFO-TAVARES 1, Claudio A. BARBOSA de LIRA 1, 2, Carla ZIMERER 1, Marilia SANTOS ANDRADE 3, André SOARES LEOPOLDO 1, Anselmo J. PEREZ 1, Rodrigo L. VANCINI 1

1 Center for Physical Education and Sports (CEFD), Federal University of Espírito Santo (UFES), Vitória, Brazil; 2 Unit of Human Physiology and Exercise, Faculty of Physical Education, Federal University of Goiás (UFG), Goiânia, Brazil; 3 Department of Physiology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil

BACKGROUND: Traditional strength and power training could be expensive and kettlebell exercise may be a more affordable, accessible, and low cost alternative. However, requires appropriate technique and intensity and could be difficult for novice users. Our aims were to evaluate the influence of systematized kettlebell training on strength and power variables and the effects of short-term detraining and determine the intensity training profile in all protocol phases.
METHODS: Healthy and physically active women - without kettlebell experience (N.=17, body mass: 60.9±12.5 kg; height: 164.6±5.5 m; age: 26.0±5.0 years; body mass index: 22.3±3.8 kg/m2) were recruited. The study was organized in five successive phases: pre-kettlebell training (PRE), kettlebell training period (12 weeks), post-kettlebell training (POST), detraining period (four weeks), and evaluations post-kettlebell detraining (POST-D). The Wingate anaerobic test, standing long jump, abdominal strength, leg press, and handgrip strength tests were used. The training intensity it was controlled by rated of perceived exertion (RPE) and heart rate (HR).
RESULTS: Absolute mean anaerobic power at POST was significantly (P<0.05) higher when compared to PRE. Relative mean power at POST-D was significantly (P<0.05) higher when compared to PRE. Jumping performance and lower limb and handgrip strengths were higher at POST than PRE. All of these variables were significantly (P<0.05) higher at POST-D when compared to PRE. It was possible to classify the applied protocol, in the studied population, as of moderate intensity (by HR) and effort low to very intense (by RPE).
CONCLUSIONS: Twelve weeks of kettlebell training improved maximal and isometric strength and muscle power and short-term detraining was not sufficient to reverse these positive adaptations in physically active and healthy women.

KEY WORDS: Muscle strength - Weight lifting - Exercise

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