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Analysis of physiological determinants during a single bout of Crossfit

Author

Listed:
  • S. Brandon Shaw
  • Mayur Dullabh
  • Gillian Forbes
  • Jamie-Lee Brandkamp
  • Ina Shaw

Abstract

The purpose of this study was to analyse the physical and physiological demands of a single bout of Crossfit training. Heart rate, blood pressure, pulse pressure, rate pressure product, mean arterial pressure, spirometry, blood lactate, blood glucose and total cholesterol were measured in 12 sedentary, college-aged males before and following a single bout of Crossfit. A single bout of Crossfit significantly (p < .05) increased HR (79.17±21.96 to 108.00±23.71 bpm; p = .002), RPP (8995.00±3434.33 to 11808.60±6191.09; p = .028) and blood lactate (2.20±1.35 to 5.95±3.24 mmol.l-1; p = .003), while decreasing forced expiratory volume in one-second (FEV1) (3.71±0.37 to 3.53±0.42 l; p = .034). Crossfit had no effect on systolic blood pressure (p = 0.450), diastolic blood pressure (p = 0.844), pulse pressure (p = 0.168), mean arterial pressure (p = 0.638), forced vital capacity (FVC) (p = 0.054), FEV1/FVC (%) (p = 0.308), total cholesterol (p = 0.195) and blood glucose (p = 0.609). In conclusion, Crossfit can be considered moderate-to high-intensity and is of sufficient intensity and safety to serve as a genuine time-efficient alternative to high-intensity interval training and conventional cardiorespiratory training.

Suggested Citation

  • S. Brandon Shaw & Mayur Dullabh & Gillian Forbes & Jamie-Lee Brandkamp & Ina Shaw, 2015. "Analysis of physiological determinants during a single bout of Crossfit," International Journal of Performance Analysis in Sport, Taylor & Francis Journals, vol. 15(3), pages 809-815, December.
    • Handle: RePEc:taf:rpanxx:v:15:y:2015:i:3:p:809-815
    DOI: 10.1080/24748668.2015.11868832
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    Cited by:

    1. Tomás Ponce-García & Javier Benítez-Porres & Jerónimo Carmelo García-Romero & Alejandro Castillo-Domínguez & José Ramón Alvero-Cruz, 2021. "The Anaerobic Power Assessment in CrossFit ® Athletes: An Agreement Study," IJERPH, MDPI, vol. 18(16), pages 1-12, August.

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