http://athleanx.com/x/hillfromhell
Perhaps the most challenging workout you can put your body through would be a high intensity hill running workout. I decided to do just that and I attacked not just any hill...but the hill from hell!
With a combination of forward sprints up the hill, bear crawls, backward runs, and crab walks.....conquering the hill has never been harder. But it also has never been this effective at burning fat and building muscle!
Why continue to do hours of long, slow borin
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