It is an interesting theory BenThom-Wood. I would theorise that you can exercise harder and longer if your heart rate is being subdued. I exercise quite a lot without fatigue and don't get breathless while running. But walking up a hill is another story, perhaps it is too high 🤔😂😂
It will be interesting to see if you get a definitive answer. Steve
thanks Wooodsie , I was once told that we use different muscles when walking upstairs than walking on the flat. I find that a little hard but I admit to being breathless when I walk up the stairs. Even now.
yeah fishonabike , I’m slowly getting heavier these days. I’m currently back up to 140.5kg & I still bicycle & swim in good times. I’m on statins so I don’t think it’s all fat. My leg muscles are gorgeous! I fill my jeans!
Athletes who train at altitude increase their haematocrit to compensate for the lower oxygen levels, but I don't know if they put on more muscle. An interesting theory though.
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