About: http://webisa.webdatacommons.org/210783782

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, there is a point where the lactic acid produced by the muscle firing is too much to recycle, and that happens as you reach the heart rate zone known as Lactic Threshold, or 80-85% of your Maximum Heart Rate.
http://www.w3.org/ns/prov#wasQuotedFrom	mtbchick.com