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https://twitter.com/Nittaz/status/1572408006448664576simply put, estimating VO2max relies on how external and internal load change across and within individuals
https://twitter.com/altini_marco/status/1564214782844182528in these situations (with a clear stressor) you can see how an orthostatic measurement (e.g. going from lying down to sitting or standing, then measuring) is a lot more sensitive:
https://twitter.com/bramwillemse/status/15583787448715878401) intervals analysis
https://twitter.com/bloombergtrades/status/1553276050410393600ACTIVITY:
https://twitter.com/danielgross/status/1482820023953477635which gives me a heart rate of 150 bpm, exactly what I've considered my aerobic threshold since starting with polarized training ~5 years ago (medium.com/p/e604b2f0a910)
https://twitter.com/altini_marco/status/1481867890861162496we have two types of HRV suppressions: