High intensity work: Under proper supervision, this has been shown to be very effective in overall conditioning.
Answered 10/3/2016
6.2k views
Very good: If done correctly. Seen mainly in runners. My daughter was in olympic trials, atlanta & sacramento, and ran on many usa teams around the world, sponsored by nike for 15 years after college, that along with high altitude training.
Answered 9/13/2013
4.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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