The objective of this research is to compare physiological response, specifically oxygen consumption (VO2) and heart rate (HR), during aerobic and anaerobic exercise to assess energy expenditure. Physiological measurements are essential in understanding the energy expenditure of different exercise and their implications on fitness. The study focuses on utilizing optical heart rate sensor, real-time HR tracking and applying metabolic formula to calculate VO2. These methods were choses due to their cost-effectiveness, accessibility, and reliability for physiological measurements. The experimental procedure involves participants to perform weightlifting using dumbbell and treadmill cardio, for both exercises, participants do the exercises at different level of intensities. The HR sensor provide continuous heart rate data throughout the sessions, ensuring accurate tracking of physiological responses during aerobic and anaerobic exercises. VO2 values are measure using metabolic formula, which provide estimates of oxygen consumption based on standardized equations. Data collection was conducted using the Brouha method for consistent monitoring. The results are expected to highlight significant differences in HR and VO2 between aerobic and anaerobic exercises, for a better understanding of the energy expenditure from each activity. Limitations of the study include the potential variability in participant output and the limitations of using the device such as slight delays during the activities. Assumptions include accurate of HR sensor, consistent participant performances, and reliable application of the metabolic formula. In conclusion, this research provides insights into the physiological responses of aerobic and anaerobic exercises, emphasizing the practicality of using wrist-based HR monitors and metabolic formula in the exercise. The study’s approach contributes to the broader understanding of energy expenditure and its implications. Further research can expand on these findings by exploring diverse and larger populations by integrating additional physiological parameters to provide a comprehensive understanding of physiological responses in exercise.
Keywords: Physiological responses, energy expenditure, heart rate, VO2, Brouha method, weightlifting, treadmill exercise