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Anaerobic work capa...
Anaerobic work capacity in cycling : the effect of computational method
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- Andersson, Erik P., 1984- (författare)
- Mittuniversitetet,Institutionen för hälsovetenskaper (HOV),UiT The Arctic University of Norway, Tromsø, Norway,Swedish Winter Sports Research Centre
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- Bachl, Philipp (författare)
- Mittuniversitetet,Institutionen för hälsovetenskaper (HOV),University of Salzburg, Salzburg, Austria,Swedish Winter Sports Research Centre
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- Schmuttermair, Anna (författare)
- Univ Salzburg, Dept Sport & Exercise Sci, Salzburg, Austria.
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- Staunton, Craig A. (författare)
- Mittuniversitetet,Institutionen för hälsovetenskaper (HOV),Swedish Winter Sports Research Centre
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- Stöggl, Thomas L. (författare)
- Univ Salzburg, Dept Sport & Exercise Sci, Salzburg, Austria.;Red Bull Athlete Performance Ctr, Salzburg, Austria.
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(creator_code:org_t)
- 2022-09-17
- 2022
- Engelska.
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Ingår i: European Journal of Applied Physiology. - : Springer Science and Business Media LLC. - 1439-6319 .- 1439-6327. ; 122, s. 2637-2650
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Purpose To compare the anaerobic work capacity (AnWC, i.e., attributable anaerobic mechanical work) assessed using four different approaches/models applied to time-trial (TT) cycle-ergometry exercise. Methods Fifteen male cyclists completed a 7 x 4-min submaximal protocol and a 3-min all-out TT (TTAO). Linear relationships between power output (PO) and submaximal metabolic rate were constructed to estimate TT-specific gross efficiency (GE) and AnWC, using either a measured resting metabolic rate as a Y-intercept (7 + Y-LIN) or no measured Y-intercept (7-Y-LIN). In addition, GE of the last submaximal bout (GE(LAST)) was used to estimate AnWC, and critical power (CP) from TTAO (CP3'AO) was used to estimate mechanical work above CP (W', i.e., "AnWC"). Results Average PO during TTAO was 5.43 +/- 0.30 and CP was 4.48 +/- 0.23 W.kg(-1). The TT-associated GE values were similar to 22.0% for both 7 + Y-LIN and 7-Y-LIN and similar to 21.1% for GE(LAST) (both P < 0.001). The AnWC were 269 +/- 60, 272 +/- 55, 299 +/- 61, and 196 +/- 52 J.kg(-1) for the 7 + Y-LIN, 7 Y-LIN, GE(LAST), and CP3'AO models, respectively (7 + Y-LIN and 7-Y-LIN versus GE(LAST), both P <0.001; 7+ Y-LIN, 7 Y-LIN, and GE(LAST) versus CP3'AO, all P < 0.01). For the three pair-wise comparisons between 7+ Y-LIN, 7-Y-LIN, and GE(LAST), typical errors in AnWC values ranged from 7 to 11 J.kg(-1), whereas 7+ Y-LIN, 7-Y-LIN, and GE(LAST) versus CP3'AO revealed typical errors of 55-59 J.kg(-1). Conclusion These findings demonstrate a substantial disagreement in AnWC between CP3'AO and the other models. The 7 + Y-LIN and 7-Y-LIN generated 10% lower AnWC values than the GE(LAST) model, whereas 7 + Y-LIN and 7-Y-LIN generated similar values of AnWC.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Idrottsvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)
Nyckelord
- All-out pacing
- Maximal accumulated oxygen deficit method
- Metabolic demand
- Time trial
- Reliability
- Supramaximal exercise
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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