Contribution of phosphocreatine and aerobic metabolism to energy supply during repeated sprint exercise.

@article{Bogdanis1996ContributionOP,
  title={Contribution of phosphocreatine and aerobic metabolism to energy supply during repeated sprint exercise.},
  author={Gregory C. Bogdanis and Mary E. Nevill and Leslie Boobis and Henryk K. A. Lakomy},
  journal={Journal of applied physiology},
  year={1996},
  volume={80 3},
  pages={
          876-84
        }
}
This study examined the contribution of phosphocreatine (PCr) and aerobic metabolism during repeated bouts of sprint exercise. Eight male subjects performed two cycle ergometer sprints separated by 4 min of recovery during two separate main trials. Sprint 1 lasted 30 s during both main trials, whereas sprint 2 lasted either 10 or 30 s. Muscle biopsies were obtained at rest, immediately after the first 30-s sprint, after 3.8 min of recovery, and after the second 10- and 30-s sprints. At the end… 
Power output and muscle metabolism during and following recovery from 10 and 20 s of maximal sprint exercise in humans.
TLDR
On two separate days eight male subjects performed a 10- or 20-s cycle ergometer sprint followed, after 2 min of recovery, by a 30-s sprint, which may be related to a reduced glycolytic ATP regeneration as a result of the higher muscle acidosis.
Muscle metabolism during sprint exercise in man: influence of sprint training.
TLDR
Data demonstrate that sprint training may have enhanced muscle oxidative but not glycolytic capacity and that Glycogen degradation during sprint exercise was unaffected by sprint training.
Effects of prior exercise on muscle metabolism during sprint exercise in horses.
TLDR
Warm-up was associated with augmentation of aerobic energy contribution to total energy expenditure, decreased glycogenolysis, and longer run time to fatigue during subsequent sprint exercise, with no additional benefit from HWU vs. LWU.
The Recovery of Repeated-Sprint Exercise Is Associated with PCr Resynthesis, while Muscle pH and EMG Amplitude Remain Depressed
TLDR
The inability to produce power output during repeated sprints is mostly mediated by intramuscular fatigue signals probably related with the control of PCr metabolism, resulting in a disproportionate decrease in mechanical power in relation to EMG.
Oxygen uptake during repeated-sprint exercise.
TLDR
The current study shows that the VO₂ increases from the first to the last of 5 × 6-s sprints and that VO⁂max may be a limiting factor to performance in latter sprints.
Muscle metabolites and performance during high-intensity, intermittent exercise.
TLDR
A decline in exercise performance does not appear to be related to a reduction in muscle glycogen, but it may be caused by reduced CP availability, increased H+ concentration, impairment in SR function, or some other fatigue-inducing agent.
Estimating the energy contribution during single and repeated sprint swimming
TLDR
The results underline the importance of aerobic energy contribution during single and repeated high intensity swimming, which should be considered when prescribing swimming training sets of this nature.
MUSCLE METABOLISM AND FATIGUE DURING SPRINT EXERCISE: EFFECTS OF CREATINE SUPPLEMENTATION
TLDR
Research is needed to investigate and substantiate the effects of combining Cr supplementation with long term training on single and repeated sprints performance, and to show why even a small improvement may be important for competitive athletes.
Inhaled Beta2-Agonist Increases Power Output and Glycolysis during Sprinting in Men.
TLDR
The present study shows that a TER-induced increase in power output is associated with increased rates of glycogenolysis and glycolysis in skeletal muscles, and as TER counteracts a reduction in ATP in Type II fibers, TER may postpone fatigue development in these fibers.
Muscle adenine nucleotide metabolism during and in recovery from maximal exercise in humans.
TLDR
A small proportion of the muscle total adenine nucleotide pool was temporarily lost from the muscle purine stores during sprinting but was rapidly recovered after exercise, suggesting a 1:1 stoichiometric relationship.
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