Just did it for the first time today (well, I've done it during rugby practice for 10 minutes before. Went 20 today). Tough as hell. My body isn't used to it, as I've only done long distance stuff before. So, is it true that this type of training is supposed to keep your body from using muscle for energy, so you keep more muscle mass? And should I cut my other cardio out entirely (I used to do a 5 mile run followed by a 5 mile bike)? My goal is to get to 160-170 (150 now) and maintain my fat level (7% as of last week.) Thanks for any insight.
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6/23/05 at 6:22pm