Exercise Physiology

In this sports science lab, you will find out how only three times ten minutes of supramaximal sprint interval training per week can increase your exercise capacity and fitness level.

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  • Description
  • Features

In the Exercise Physiology simulation, you will supervise a clinical trial to investigate the acute and chronic physiological effects of high-intensity sprint interval training (SIT) on a sedentary lifestyle.

Perform an anaerobic exercise

You will learn how this type of anaerobic exercise, also called the Wingate sprint, is connected to the body’s ancient “fight-or-flight” response and how to monitor this process in the lab. Your task is to follow a training program consisting of brief repeated cycle sprints over four weeks with one of the study participants. You will then determine the effect of the Wingate protocol on the participant’s health and fitness.

Monitor the physiological response

At the beginning of the Exercise Physiology simulation, you will learn how to set up the necessary equipment and choose the correct settings to correctly perform a Wingate sprint. During the sprint, you measure power output, respiratory exchange ratio, and the heart rate of the study participant to determine the physiological effects during the course of the interval training. You will simultaneously be able to study the skeletal muscles and to observe how the energy during the sprint is produced at a molecular level. You will also be able to observe the effects of this on the pulmonary and cardiovascular system. By measuring the participant’s blood lactate levels before and after the sprint, you will learn about the role of lactate in anaerobic glycolysis.

The effect of repeated Wingate sprints on a sedentary lifestyle

By analyzing all the data collected during the study, you will be able to come to a conclusion about the specific effect of the Wingate interval protocol.

Will this 20-seconds-sprint training have a significant effect on the health of sedentary individuals?

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In this sports science lab, you will find out how only three times ten minutes of supramaximal sprint interval training per week can increase your exercise capacity and fitness level.

Techniques in lab
Blood lactate assay, Wingate sprint, Respiratory exchange ratio (RER) measurement
Learning objectives

At the end of this simulation, you will be able to...

  • Explain physiological responses to high-intensity sprint interval training (SIT)
  • Understand how to perform a Wingate sprint
  • Determine the impact of repeated Wingate sprints on health
  • Monitor acute and chronic physiological responses during and after a Wingate sprint
  • Explain the contribution of different energy systems during supramaximal exercise
  • Perform a breath-by-breath gas analysis
  • Define the role of lactate in anaerobic glycolysis
  • Measure blood lactate levels
Simulation features

Length: 50
Accessibility mode: Not available
Languages: English (United States)

IB

11.2 Movement