What are the benefits of doing 500 jumping jacks a day?

What do they work on, or improve when you do them?

Does running in place for 5 min have the same effect as jumping rope for 5 min. Which one burns the most calories.

I've heard somewhere that skipping 1000 a day makes you lean or something. Is it true? I mean, isn't 1000 a day too much? How...

What happens when you only eat 500 calories a day?

If I jumped rope for 10 minutes every day for 30 days and eating healthy, how much weight would I lose? ***please answer qui...

if I exercise by doing jumping jacks for 20 minutes and I do jump roping for 20 minutes a day, and I dont eat junk food, im r...

How many crunches should I do a day for a workout?

What are some ways to burn 500 calories?

What's the most amount of kilometers/miles you ever drove on a bike in one day? Mine's 31 miles.

Is it a good idea if I mix step ups and jump roping? Wouldn't the step ups make my legs bulkier? And how may should I do? Lik...