Wondering if Alwyn could comment on a template for an alternative to treadmill interval training. I hear him mention on the fitcast that bodyweight intervals are extremely effective. I've seen on his blog how he constructs them using timed intervals (a workout he puts the perform better summit attendees through). Would that be the optimal way?. My wife trains at home, we don't have a treadmill and its quite cold outside.
Thanks,
Tree
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