Why Don't Sled Dogs Ever Get Tired?
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Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism.
Thanks also to our supporters on https://www.patreon.com/MinuteEarth
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To learn more about this topic, start your googling with these keywords:
Glycolysis: The process by which glycogen is broken down into energy.
Anaerobic metabolism: The creation of energy through the combustion of carbohydrates in the absence of oxygen.
Aerobic metabolism: The creation of energy through the breakdown of fats, proteins, and carbohydrates.
ATP: The principal molecule for storing and transferring energy in cells.
Baseline Vital Signs: A subject’s temperature, pulse, respiration, blood pressure, pain, and pulse oximetry.
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Credits (and Twitter handles):
Script Writer: David Goldenberg (@dgoldenberg)
Script Editor: Emily Elert (@eelert)
Video Illustrator: Ever Salazar (@eversalazar)
Video Director: Kate Yoshida (@KateYoshida)
Video Narrator: Kate Yoshida (@KateYoshida)
With Contributions From: Henry Reich, Alex Reich, Peter Reich
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder
_________________________________________
Like our videos?
Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd
Support us on Patreon: https://goo.gl/ZVgLQZ
Also, say hello on:
Facebook: http://goo.gl/FpAvo6
Twitter: http://goo.gl/Y1aWVC
And find us on itunes: https://goo.gl/sfwS6n
___________________________________________
If you liked this week’s video, we think you might also like:
Skunk Bear on the Human Vs. Horse Marathon: https://www.youtube.com/watch?v=vS2YVN0OAdc
___________________________________________
References:
McDougall, C. (2011). Born To Run.
McKenzie, M., Holbrook, T., Williamson, T., Royer, C., Valberg, S. ,Hinchcliff, K., Jose-Cunilleras, J., Nelson, S., Willard, M., and Davis, M. (2005). Recovery of Muscle Glycogen Concentrations in Sled Dogs during Prolonged Exercise. Medicine and Science in Sports and Exercise. 37(8). 1307-1312. Retrieved from: https://www.ncbi.nlm.nih.gov/pubmed/16118576
Poole, D. and Erickson, H. (2011). Highly Athletic Terrestrial Mammals: Horses and Dogs. Comprehensive Physiology. 6:57. 1-37. Retrieved from: https://www.ncbi.nlm.nih.gov/pubmed/23737162
Gerth, N., Redman, P., Speakman, J., Jackson, S., and Stark, J.M. (2010). Energy metabolism of Inuit sled dogs. Journal of Comparative Physiology. 180: 577-589. Retrieved from:https://www.ncbi.nlm.nih.gov/pubmed/20012661
Miller, B., Drake, J., Peelor, F.,, Biela, L., Geor, R., Hinchcliff, K., Davis, M., Hamilton, K. (2015). Participation in a 1000-mile race increases the oxidation of carbohydrate in Alaskan sled dogs. Journal of Applied Physiology. 118(12):1502-1509. Retrieved from: https://www.ncbi.nlm.nih.gov/pubmed/25150223
McKenzie, Ericka. (2017). Professor of large animal internal medicine at the Oregon State University College of Veterinary Medicine. Personal Communication.
Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism.
Thanks also to our supporters on https://www.patreon.com/MinuteEarth
___________________________________________
To learn more about this topic, start your googling with these keywords:
Glycolysis: The process by which glycogen is broken down into energy.
Anaerobic metabolism: The creation of energy through the combustion of carbohydrates in the absence of oxygen.
Aerobic metabolism: The creation of energy through the breakdown of fats, proteins, and carbohydrates.
ATP: The principal molecule for storing and transferring energy in cells.
Baseline Vital Signs: A subject’s temperature, pulse, respiration, blood pressure, pain, and pulse oximetry.
___________________________________________
Credits (and Twitter handles):
Script Writer: David Goldenberg (@dgoldenberg)
Script Editor: Emily Elert (@eelert)
Video Illustrator: Ever Salazar (@eversalazar)
Video Director: Kate Yoshida (@KateYoshida)
Video Narrator: Kate Yoshida (@KateYoshida)
With Contributions From: Henry Reich, Alex Reich, Peter Reich
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder
_________________________________________
Like our videos?
Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd
Support us on Patreon: https://goo.gl/ZVgLQZ
Also, say hello on:
Facebook: http://goo.gl/FpAvo6
Twitter: http://goo.gl/Y1aWVC
And find us on itunes: https://goo.gl/sfwS6n
___________________________________________
If you liked this week’s video, we think you might also like:
Skunk Bear on the Human Vs. Horse Marathon: https://www.youtube.com/watch?v=vS2YVN0OAdc
___________________________________________
References:
McDougall, C. (2011). Born To Run.
McKenzie, M., Holbrook, T., Williamson, T., Royer, C., Valberg, S. ,Hinchcliff, K., Jose-Cunilleras, J., Nelson, S., Willard, M., and Davis, M. (2005). Recovery of Muscle Glycogen Concentrations in Sled Dogs during Prolonged Exercise. Medicine and Science in Sports and Exercise. 37(8). 1307-1312. Retrieved from: https://www.ncbi.nlm.nih.gov/pubmed/16118576
Poole, D. and Erickson, H. (2011). Highly Athletic Terrestrial Mammals: Horses and Dogs. Comprehensive Physiology. 6:57. 1-37. Retrieved from: https://www.ncbi.nlm.nih.gov/pubmed/23737162
Gerth, N., Redman, P., Speakman, J., Jackson, S., and Stark, J.M. (2010). Energy metabolism of Inuit sled dogs. Journal of Comparative Physiology. 180: 577-589. Retrieved from:https://www.ncbi.nlm.nih.gov/pubmed/20012661
Miller, B., Drake, J., Peelor, F.,, Biela, L., Geor, R., Hinchcliff, K., Davis, M., Hamilton, K. (2015). Participation in a 1000-mile race increases the oxidation of carbohydrate in Alaskan sled dogs. Journal of Applied Physiology. 118(12):1502-1509. Retrieved from: https://www.ncbi.nlm.nih.gov/pubmed/25150223
McKenzie, Ericka. (2017). Professor of large animal internal medicine at the Oregon State University College of Veterinary Medicine. Personal Communication.
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