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Effects of CrossFit training on lipid profiles, body composition and physical fitness in overweight men

Abstract

Purpose

The aim of this study was to investigate the influence of the CrossFit training on cardiovascular risk factors in overweight men.

Methods

Twenty-six overweight men (age, 21.6 ± 1.6 years; weight, 86.6 ± 13.1 kg; height, 176.1 ± 6.28 and BMI, 27.8 ± 3.17 kg m2) were randomly divided into two groups of CrossFit (n = 14) and control (n = 12). Subjects in CrossFit group performed five sessions of CrossFit training per week for 4 weeks; while, subjects in control group had no regular exercise. Exercise session included continuous all-out cycling, burpee and squat exercises. Body composition, maximal oxygen uptake (V̇O2max), anaerobic performance, blood pressure (BP) and lipid profile were assessed in the both groups before and after training.

Results

Data analyses showed that weight, BMI, body fat percentage, resting heart rate, diastolic BP, V̇O2max, peak and average power, triglyceride (TG), low-density lipoprotein (LDL) and LDL–high-density lipoprotein (HDL) ratio significantly improved in CrossFit training in comparison to control group. However, waist, hip and thigh circumferences, waist–hip ratio, systolic BP, HDL and very-low-density lipoprotein (vLDL) were not significantly different between groups (P > 0.05).

Conclusions

It is concluded that 4 weeks of CrossFit training induces considerable changes in body composition, physical fitness and lipid profiles (except for HDL) in overweight people.

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Data availability

The datasets generated and analyzed are available from the corresponding author on reasonable request.

Abbreviations

V̇O2max:

Maximal oxygen uptake

BP:

Blood pressure

TG:

Triglyceride

LDL:

Low-density lipoprotein

HDL:

High-density lipoprotein

VDL:

Very-low-density lipoprotein

CVD:

Cardiovascular diseases

CHD:

Coronary heart diseases

HIIE:

High-intensity intermittent exercise

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Funding

No sources of funding were used for this study.

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Authors and Affiliations

Authors

Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by RD, MM, SA and RT. The first draft of the manuscript was written by RD and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Reza Dehghanzadeh Suraki.

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Conflict of interest

The authors declare that there is no conflict of interest.

Ethical approval

All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (IR.SBU.REC.1398.019) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Dehghanzadeh Suraki, R., Mohsenzade, M., Tibana, R.A. et al. Effects of CrossFit training on lipid profiles, body composition and physical fitness in overweight men. Sport Sci Health 17, 855–862 (2021). https://doi.org/10.1007/s11332-020-00704-9

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  • DOI: https://doi.org/10.1007/s11332-020-00704-9

Keywords

  • Lipid
  • Fat percentage
  • V̇O2max
  • High-intensity exercise
  • Functional training