Title:The Mechanism of Energy Changes That Occur Depending on the Ratio of
Force and Speed in The Example of Bicycle Ergometric Testing
Volume: 4
Issue: 2
Author(s): Nedotsuk Yura and Aleksej Laptev*
Affiliation:
- Department of St. Lilac Boulevard, Russian State University for Physical Education Sport Youth and Tourism, Moscow, Russia
Keywords:
Energy fluctuations, force-speed dependence, aerobic performance, the threshold of anaerobic metabolism, actomyosin complex, functional diagnostics.
Abstract:
Introduction: For the first time, in the aspect of biophysics, the reasons for the increase
in the power of the threshold of anaerobic metabolism developed by the test person during
functional diagnostics.
Methods: This occurs with an increase in the pedaling frequency with which the specified load
on a bicycle ergometer in the range from 40 to 140 rpm (0.73-2.56 m/s) is overcome, have been
substantiated.
Results: It was determined that the ratio of force and velocity in the studied range of pedaling
frequencies (muscle contractile speed) corresponds to the hyperbolic type with displaced axes.
Conclusion: At the same time, with an increase in pedaling frequency, power increases in a cubic
dependence, and the rate of oxygen consumption by the test subject decreases linearly in the
process of overcoming the same fixed-power load set on a bicycle ergometer and vice versa.
