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PeerJ. 2020 May 22;8:e9137. doi: 10.7717/peerj.9137. eCollection 2020.

Creatinine is a biochemical marker for assessing how untrained people adapt to fitness training loads.

PeerJ

Andrii Chernozub, Vladimir Potop, Georgiy Korobeynikov, Olivia Carmen Timnea, Oleg Dubachinskiy, Oksana Ikkert, Yuriy Briskin, Yuriy Boretsky, Lesia Korobeynikova

Affiliations

  1. Petro Mohyla Black Sea State University, Mykolaiv, Ukraine.
  2. Faculty of Physical Education and Sport, Ecological University of Bucharest, Bucharest, Romania.
  3. National University of Physical Education and Sport, Kyiv, Ukraine.
  4. Romanian-American University, Bucharest, Romania.
  5. Ivan Bobersky Lviv State University of Physical Culture, Lviv, Ukraine.

PMID: 32509455 PMCID: PMC7247523 DOI: 10.7717/peerj.9137

Abstract

BACKGROUND: To study the peculiarities of changes in creatinine concentration in blood serum of untrained men during the prolonged usage of training loads different in volume and intensity, and to determine the value of this biochemical marker for the assessment of adaptive body changes during fitness training.

METHODS: We examined 50 untrained men aged 18-20 years who had no contraindications for practicing fitness. Taking into account the aim of the research, we divided these people into two groups: group A and group B. The research participants used training load regimes different in volume and intensity: representatives of group Aused low intensity training load regime (

RESULTS: The obtained results showed a significant increase in basal level of creatinine concentration in blood serum (by 17.6%) of group B representatives fixed after 3 months of practicing fitness in high intensity training load regime (

CONCLUSION: The analysis of the results obtained during a series of experimental studies indicates the need and feasibility of using the indicator of basal level of creatinine concentration in blood during fitness training, especially in the conditions of high intensity and low volume training load regime (

©2020 Chernozub et al.

Keywords: Adaptive body changes; Biochemical control; Creatinine concentration in blood serum; Fitness; Training load regimes

Conflict of interest statement

The authors declare there are no competing interests.

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