Here is a workout that will test some physical and mental toughness it's very leg intensive and don't think jumping rope is a rest, all it does is make it harder to jump as the legs get tired: Jump rope 50 times - Do 10 step ups on a 15"bench holding a 50 lb plate for 50 non stop rounds when done you will have done 500 stepĀ ups holding a 50 lb plate and have jumped rope 2,500 times I have … [Read more...]