scholarly journals Effect of yelling on maximal aerobic power during an incremental test of cycling performance

2016 ◽  
Vol 5 (4) ◽  
pp. 456-461
Author(s):  
Chien-Liang Chen ◽  
Nan-Ying Yu ◽  
Jing-Shia Tang ◽  
Shao-Hsia Chang ◽  
Yea-Ru Yang ◽  
...  
2014 ◽  
Vol 24 (5) ◽  
pp. 553-558 ◽  
Author(s):  
Eric C. Haakonssen ◽  
Megan L. Ross ◽  
Louise E. Cato ◽  
Alisa Nana ◽  
Emma J. Knight ◽  
...  

Some athletes avoid dairy in the meal consumed before exercise due to fears about gastrointestinal discomfort. Regular exclusion of dairy foods may unnecessarily reduce intake of high quality proteins and calcium with possible implications for body composition and bone health. This study compared the effects of meals that included (Dairy) or excluded (Control) dairy foods on gastric comfort and subsequent cycling performance. Well-trained female cyclists (n = 32; mean ± SD; 24.3 ± 4.1 y; VO2peak 57.1 ± 4.9 ml/kg/min) completed two trials (randomized cross-over design) in which they consumed a meal (2 g/kg carbohydrate and 54 kJ/kg) 2 hr before a 90-min cycle session (80 min at 60% maximal aerobic power followed by a 10-min time trial; TT). The dairy meal contained 3 servings of dairy foods providing ~1350 mg calcium. Gut comfort and palatability were measured using questionnaires. Performance was measured as maximum mean power during the TT (MMP10min). There was no statistical or clinical evidence of an effect of meal type on MMP10min with a mean difference (Dairy – Control) of 4 W (95% CI [–2, 9]). There was no evidence of an association between pretrial gut comfort and meal type (p = .15) or between gut comfort delta scores and meal type postmeal (p = .31), preexercise (p = .17) or postexercise (p = .80). There was no statistical or clinical evidence of a difference in palatability between meal types. In summary, substantial amounts of dairy foods can be included in meals consumed before strenuous cycling without impairing either gut comfort or performance.


2020 ◽  
Vol 41 (08) ◽  
pp. 539-544 ◽  
Author(s):  
Ben Thomas Stephenson ◽  
Alex Shill ◽  
John Lenton ◽  
Victoria Goosey-Tolfrey

AbstractThe purpose was to determine the physiological correlates to cycling performance within a competitive paratriathlon. Five wheelchair user and ten ambulant paratriathletes undertook laboratory-based testing to determine their: peak rate of oxygen uptake; blood lactate- and ventilatory-derived physiological thresholds; and, their maximal aerobic power. These variables were subsequently expressed in absolute (l∙min −1 or W), relative (ml∙kg−1∙min −1 or W∙kg −1) and scaled relative (or ml∙kg − 0.82 ∙min −1, ml∙kg − 0.32 ∙min −1 or W∙kg −0.32) terms. All athletes undertook a paratriathlon race with 20 km cycle. Pearson’s correlation test and linear regression analyses were produced between laboratory-derived variables and cycle performance to generate correlation coefficients (r), standard error of estimates and 95% confidence intervals. For wheelchair users, performance was most strongly correlated to relative aerobic lactate threshold (W∙kg −1) (r=−0.99; confidence intervals: −0.99 to −0.99; standard error of estimate=22 s). For ambulant paratriathletes, the greatest correlation was with maximal aerobic power (W∙kg −0.32) (r=−0.91; −0.99 to −0.69; standard error of estimate=88 s). Race-category-specificity exits regarding physiological correlates to cycling performance in a paratriathlon race with further differences between optimal scaling factors between paratriathletes. This suggests aerobic lactate threshold and maximal aerobic power are the pertinent variables to infer cycling performance for wheelchair users and ambulant paratriathletes, respectively.


2017 ◽  
Vol 12 (1) ◽  
pp. 44-49 ◽  
Author(s):  
Anthony Bouillod ◽  
Julien Pinot ◽  
Flavien Soenen ◽  
Theo Ouvrard ◽  
Frederic Grappe

Purpose:To analyze the effect of the pedaling activity in different 4-min time trials (TT4s) (laboratory and field conditions) and compare TT4 and maximal aerobic power (MAP) determined from the classical incremental exercise test in laboratory. It was hypothesized that the exercises performed on the field would determine higher physical (power output [PO]) and mental involvements due to different environmental conditions.Methods:Sixteen male cyclists underwent an incremental test to exhaustion and 3 TT4s under different conditions: cycle ergometer (CE), level ground (LG), and uphill (UP).Results:Correlation was observed for PO with a trivial effect size and narrow limits of agreement between MAP and CE TT4 (r = .96, P < .001). The comparison between the CE, LG, and UP tests indicates that PO was significantly higher in UP than in CE (+8.0%, P < .001) and LG (+11.0%, P < .001).Conclusions:The results suggest that PO depends on the nature of the pedaling activity. Moreover, PO under CE TT4 is a relevant predictor of MAP. It seems important to measure MAP by taking into account the cycling conditions, considering that coaches and scientists use this parameter to assess the aerobic potential of athletes and determine the exercise intensities useful for monitoring adaptation to training.


1988 ◽  
Vol 6 (11) ◽  
pp. 859-865 ◽  
Author(s):  
Robert Fagard ◽  
Jan Staessen ◽  
Antoon Amery

1977 ◽  
Vol 36 (3) ◽  
pp. 215-222 ◽  
Author(s):  
S. S. Verma ◽  
J. Sen Gupta ◽  
M. S. Malhotra

2016 ◽  
Vol 33 (4) ◽  
pp. 367-372 ◽  
Author(s):  
Hadhami Garbouj ◽  
Mohamed Amine Salmi ◽  
Radhouane Haj Sassi ◽  
Mohamed Haj Yahmed ◽  
karim chamari ◽  
...  

2018 ◽  
Vol 13 (1) ◽  
pp. 112-114 ◽  
Author(s):  
Carlo Capelli

Purpose: To analyze best 1-h unaccompanied performances of master athletes in ages ranging from 35 to 105 y to estimate the decay of maximal aerobic power (MAP) across the spectrum of age. Methods: MAP at the various ages was estimated by computing the metabolic power () maintained to cover the distances during best 1-h unaccompanied performances established by master athletes of different classes of age and by assuming that they were able to maintain an equal to 88% of their MAP during 1 h of exhaustive exercise. Results: MAP started monotonically decreasing at 47 y of age. Thereafter, it showed an average rate of decrease of ∼14% for the decades up to 105 y of age, similar to other classes of master athletes. Conclusions: The results confirm, by extending the analysis to centennial subjects, that MAP seems to start declining from the middle of the 5th decade of age, with an average percentage decay that is faster than that traditionally reported, even when one maintains a very active lifestyle. The proposed approach may be applied to other types of human locomotion for which the relationship between speed and is known.


2016 ◽  
Vol 16 (8) ◽  
pp. 1922-1930
Author(s):  
Giorgio Buonanno ◽  
Luca Stabile ◽  
Daniela Lecce ◽  
Angelo Rodio ◽  
Fernanda C. Fuoco

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