<https://www.cyclingweekly.com/fitness/ask-a-cycling-coach-why-does-vo2max-decrease-as-you-get-older#navigation>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.cyclingweekly.com/fitness/ask-a-cycling-coach-why-does-vo2max-decrease-as-you-get-older>