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Results

Objectives

Acknowledgements

The study was conducted under the authority and supervision of Dr. Robin Altman. The experiment was executed in room 347 at the Beloit College Science Center, Cold Room, and Gymnasium; the subjects were volunteers and or classroom participants. The Beloit College Scientists, Human Biology 110 (section 01), performed the study. We would like to thank everyone for all the help and support, this would not be possible without you.

References

Bittel, N.-V. (1988). Physical fitness and thermoregulatory reactions in a cold environment in men. Journal of Applied Physiology , 65 (5), 1984-1989.

Gonzalez-Alonso, T. A. (1999). Influence of body temperature on the development of fatigue during prolonged exercise in the heat. Journal of Applied Physiology , 86 (3), 1032-1039.

  • Determine the heart rate of individuals in a normal, cold, and hot temperature
  • Determine which temperature causes the heart rate to rise the most
  • Originally: determine difference between anthletes adn non-athletes
  • There is a connection with heart rate and ambient tempertaures.
  • When blood vessels dilate as a response to increased body temperatures, the heart has to pump faster to maintain blood pressure.
  • • Heart Rate Change Results:
  • Lowest in cold temperature
  • Highest in warm temperature

Hypothesis

  • The scientist at Beloit College hypohtesized that the human heart will have a higer rate of change in beats per-minute in a warmer climate during an exercise than in a cooler climate.

Background

DATA

http://www.buzzle.com/articles/effect-of-temperature-on-our-heart-rate.html

  • We are all athletes.
  • Have experience in heart rate experiements.
  • Curiousity.
  • Resources:
  • Human tolerance to heat strain during exercise: influence of hydration (Applied Journal of Physiology)
  • Physical fitness and thermoregulatory reactions in a cold environment in men (Applied Journal of Physiology)
  • Previous studies on circulatory system show that there are changes due to temperature.(González-Alonzo,1999)(Bittel,1988)

The Effects of Temperature on the Human Heart Rate

Methods/Procedure

  • Subjects were asked to wear shorts and a t-shirt for all environments
  • To begin the experiment and in between trials, subjects were asked to rest for 5 minutes and then their resting heart rate was taken
  • For the cold and hot environments, the subjects stayed in there for one minute after resting and then their baseline heart rate was taken
  • Subjects then did jumping jacks for 30 seconds and their heart rate was taken immediately after
  • The cold environment was done in the cold room in the Science Center
  • hot environment done in exercise room
  • After the completetion of each trial, the change in initial and final heart rate was calculated
  • Challenges: cold (limited), hot (change)

Created and Funded By: Meshach R., Tyler P., and Quinlan D.

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