Originally Posted by
iceman
i think all cardio is boring esp when you sit for an hour riding a bike or running...what is your goal? and what exactly is wrong with the knee? i just started to come back from dislocating mine at work, and it is almost 3 months and i can do a lot except walking on a down slope or going down stairs is painful. keep doing the pt excercises they will get you the strenght you need, then try doing sprints on a bike or an eliptical trainer, to reduce pounding and reduce boredom by shortening the time..if you are training for boxin, anerobic fitness is what you need if you want to loose fat, you can stick with reg cardio, but also wdd weightsas muscle burns more calories than fat.