Ask a coach: ‘Why does VO2max decrease as you get older?’

Several factors contribute to a decline in VO2max, but the inclusion of specific training can help reduce the rate

Older cyclist riding outside on his bike
(Image credit: Future)

VO2max is a term many of us have heard before - but what does it actually measure? And just why does it change? Cycling coach Alex Welburn runs us through the science behind VO2max and the age-related factors which cause it to decline, as well as what can be done to mitigate this. 

Alex Welburn
Alex Welburn

Performance cycling coach Alex Welburn is one of the experts who will be answering your questions in Cycling Weekly's Ask a Cycling Coach series, online every Wednesday. He's currently completing a PhD on Critical power and W' at Loughborough University whilst also managing the Performance Project, in which he coaches athletes and provides consultation.

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