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http://www.wiggle.co.uk/powerbreathe-plus-respiratory-trainer/
Just seen these. Any evidence it can work? Is it not just the same exercise you'd give the diaphragm while running flat out?
http://www.wiggle.co.uk/powerbreathe-plus-respiratory-trainer/
Just seen these. Any evidence it can work? Is it not just the same exercise you'd give the diaphragm while running flat out?
Anyone use one?
Some people swear by them, others say they're hokum and quackery.