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Electric motor assisted bicycle as an aerobic exercise machine
T Nagata1, S Okada, M Makikawa
1Graduate School of Science and Engineering, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan. rr005066@ed.ritsumei.ac.jp
Summary
This study explored a new electric bike system to maintain aerobic exercise intensity. While effective for some, individual pedaling preferences require system adjustments for broader application in continuous aerobic training.
Area of Science:
- Exercise Physiology
- Biomedical Engineering
- Sports Science
Background:
- Maintaining a consistent exercise intensity, particularly around the aerobic threshold (AT), is crucial for targeted training.
- Electrically assisted bicycles offer a potential tool for controlled exercise intensity, but effective control systems are needed.
Purpose of the Study:
- To evaluate a novel control system for electric motor assistance on bicycles designed to maintain exercise intensity around the aerobic threshold (AT).
- To assess the system's ability to maintain a specific pedaling rate and its impact on exercise intensity.
Main Methods:
- Five male subjects performed cycling exercises on an electric motor-assisted bicycle equipped with a new pedaling rate control system.
- Oxygen uptake was measured to determine exercise intensity relative to the aerobic threshold (AT).
- The system aimed to maintain a pedaling rate within a specific range, mimicking popular bicycle efficiency.
Main Results:
- The new pedaling rate control system successfully maintained continuous aerobic exercise intensity around the AT in two out of five subjects at 65 rpm.
- The achieved intensity levels were comparable to or higher than those observed with previous electrically assisted bicycle systems.
- Individual differences in pedaling rate preferences prevented some subjects from maintaining the target exercise intensity.
Conclusions:
- The developed pedaling rate control system can facilitate continuous aerobic exercise around the AT for some individuals.
- Personalizing the pedaling rate range within the electrical motor assist control is essential for wider applicability.
- Adjusting the system to accommodate individual preferred pedaling rates will enhance its utility for diverse users seeking consistent aerobic training.
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