45 minute treadmill trainer - these are awesome, and high-intensity intervals are becoming a standard in the fitness world for burning fat fast and enhancing cardiovascular fitness. Trying this next time I'm at the gym!
rim jumps - you hold your arm(s) above your head and jump up, reaching for an imaginary basketball hoop rim. - scissors - lunge on one side and then quickly transition into a lunge on your other leg by jumping. that is, switch legs by jumping in th