If you train in a gym where the oxygen concentration has been lowered to 16% your muscles will grow 4-6 times faster than normal.
Read the reserch from a group of Japanese researchers : http://www.ncbi.nlm.nih.gov/pubmed/21266734
If you train in a gym where the oxygen concentration has been lowered to 16% your muscles will grow 4-6 times faster than normal.
Read the reserch from a group of Japanese researchers : http://www.ncbi.nlm.nih.gov/pubmed/21266734
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