I heard about this in another topic, but is it really beneficial?
http://www.powerlung.com/region/us/powe ... eThreshold
The study says that most people's VO2 maxes stayed the same. But still, a lower heart rate/blood lactate level and a higher anaerobic threshold would benefit anyone.
Is it worth the buy?
Powerlung?
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Just saw this post. I tried the powerlung a few years ago and I did see improvements in times (not drastic, but noticeable). However I'm not certain my experience backs up the research they cited. A few other papers out there state that the primary cause of improvements is a shift in the perceived effort of breathing allowing for a more relaxed state during exercise. I would say that was in fact what occurred for me. By my way of thinking you could achieve the same thing with straws of varying widths, or perhaps even unrestricted deep breathing exercises, and spend a lot less money.
I think these devices can help. Some people argue that they don't because we get more oxygen than we can use even when working hard. But if that were true, why do olympic rowers have such great lung capacities?
Being a cheapskate and a skeptic, I bought the cheapest device I could find:http://www.expand-a-lung.com/?crtag=yahoo1. I felt it made a difference. It seemed like I needed less energy to breathe during a race and could maintain uncomfortable paces for longer than I could before I started using the thing.
Kirby
Being a cheapskate and a skeptic, I bought the cheapest device I could find:http://www.expand-a-lung.com/?crtag=yahoo1. I felt it made a difference. It seemed like I needed less energy to breathe during a race and could maintain uncomfortable paces for longer than I could before I started using the thing.
Kirby
MLWT 45yrs. 5'11" 165lbs.[img]http://www.c2ctc.com/sigs/img1184995103.png[/img]