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. 2021 Aug 23;18(16):8878.
doi: 10.3390/ijerph18168878.

The Anaerobic Power Assessment in CrossFit® Athletes: An Agreement Study

Tomás Ponce-García  1 , Javier Benítez-Porres  1 , Jerónimo Carmelo García-Romero  1 , Alejandro Castillo-Domínguez  2 , José Ramón Alvero-Cruz  1
Affiliations

The Anaerobic Power Assessment in CrossFit® Athletes: An Agreement Study

Tomás Ponce-García et al. Int J Environ Res Public Health. .

Abstract

Anaerobic power and capacity are considered determinants of performance and are usually assessed in athletes as a part of their physical capacities' evaluation along the season. For that purpose, many field tests have been created. The main objective of this study was to analyze the agreement between four field tests and a laboratory test. Nineteen CrossFit® (CF) athletes were recruited for this study (28.63 ± 6.62 years) who had been practicing CF for at least one year. Tests performed were: (1) Anaerobic Squat Test at 60% of bodyweight (AST60); (2) Anaerobic Squat Test at 70% of bodyweight (AST70); (3) Repeated Jump Test (RJT); (4) Assault Bike Test (ABT); and (5) Wingate Anaerobic Test on a cycle ergometer (WG). All tests consisted of 30 s of max effort. The differences among methods were tested using a repeated-measures analysis of variance (ANOVA) and effect size. Agreement between methods was performed using Bland-Altman analysis. Analysis of agreement showed systematic bias in all field test PP values, which varied between -110.05 (AST60PP-WGPP) and 463.58 (ABTPP-WGPP), and a significant proportional error in ABTPP by rank correlation (p < 0.001). Repeated-measures ANOVA showed significant differences among PP values (F(1.76,31.59) = 130.61, p =< 0.001). In conclusion, since to our knowledge, this is the first study to analyze the agreement between various methods to estimate anaerobic power in CF athletes. Apart from ABT, all tests showed good agreement and can be used interchangeably in CF athletes. Our results suggest that AST and RJT are good alternatives for measuring the anaerobic power in CF athletes when access to a laboratory is not possible.

Keywords: HIFT, high-intensity functional training; anaerobic power; athletes; crossfit; field test; peak power.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The chronology of the tests.
Figure 2
Figure 2
Full squat movement requirements. (A): start position; (B): lowest position; (C): final position.
Figure 3
Figure 3
Beast sensor placement on the athlete’s at right wrist.
Figure 4
Figure 4
Assault Bike® Classic.
Figure 5
Figure 5
Bland–Altman’s plots representing differences (Y axes) and mean (X axes) of measurements between: (a) AST60 and WG; (b) AST70 and WG; (c) RJT and WG; (d) ABT and WG.
See this image and copyright information in PMC

References

    1. Green S. A definition and systems view of anaerobic capacity. J. Appl. Physiol. 1994;69:168–173. doi: 10.1007/BF00609411. - DOI - PubMed
    1. Green S. Measurement of Anaerobic Work Capacities in Humans. Sports Med. 1995;19:32–42. doi: 10.2165/00007256-199519010-00003. - DOI - PubMed
    1. Beneke R., Pollmann C., Bleif I., Leithäuser R.M., Hütler H. How anaerobic is the Wingate Anaerobic Test for humans? Eur. J. Appl. Physiol. 2002;87:388–392. doi: 10.1007/s00421-002-0622-4. - DOI - PubMed
    1. Smith J.C., Hill D.W. Contribution of energy systems during a Wingate power test. Br. J. Sports Med. 1991;25:196–199. doi: 10.1136/bjsm.25.4.196. - DOI - PMC - PubMed
    1. Pupo J.D., Gheller R.G., Ache-Dias J., Rodacki A., Moro A.R.P., Santos S.G. Reliability and validity of the 30-s continuous jump test for anaerobic fitness evaluation. J. Sci. Med. Sport. 2014;17:650–655. doi: 10.1016/j.jsams.2013.09.007. - DOI - PubMed

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