Do You Have a Maximum Heart Rate?

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Does your heart rate have an upper limit and could you ever reach it?

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Hosted by: Michael Aranda

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Sources:
https://courses.washington.edu/conj/heart/cardiacoutput.htm
https://www.ncbi.nlm.nih.gov/books/NBK459238/
http://bjsm.bmj.com/content/39/4/190#ref-1
http://www.cvphysiology.com/Cardiac%20Function/CF002
https://www.ncbi.nlm.nih.gov/pubmed/10688280
https://www.ncbi.nlm.nih.gov/pubmed/22376273
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3273956/
http://www.pathophys.org/physiology-of-cardiac-conduction-and-contractility/refractoryperiod/
https://link.springer.com/article/10.1007/s40279-015-0321-z
https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0025459/
http://hmphysiology.blogspot.com/2013/10/q-absolute-vs-refractory-period-of.html
https://www.ncbi.nlm.nih.gov/pubmed/10993416
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1180211/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4896996/
http://circ.ahajournals.org/content/circulationaha/65/1/141.full.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2494835/
https://journals.lww.com/acsm-msse/Fulltext/2011/07000/Quantity_and_Quality_of_Exercise_for_Developing.26.aspx
http://www.nytimes.com/2001/04/24/health/maximum-heart-rate-theory-is-challenged.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3935487/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3922500/
https://www.jstage.jst.go.jp/article/jjphysiol1950/17/5/17_5_538/_pdf
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Images:
http://www.thinkstockphotos.com/image/stock-photo-sporty-young-fitness-woman-running-at/938976080
http://www.thinkstockphotos.com/image/stock-illustration-anatomical-heart-isolated-muscular/625147262
https://commons.wikimedia.org/wiki/File:2026_Action_Potential_Heart_Contraction.jpg
https://en.wikipedia.org/wiki/File:Cardiac-Cycle-Animated.gif
http://www.thinkstockphotos.com/image/stock-illustration-heart-character-fitness/629320658

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