“The idea is you’re working some of the biggest muscles in your body,” he revealed. “You’re working your bottom and you can make it harder by going slower or doing more.”
Dr Michael said these exercises should be repeated 12 times and three times a day if possible.
As for why short periods of exercise are beneficial when it comes to losing weight, over time, it can build muscle.
Muscle accounts for 20 percent of resting calorie expenditure.
And so, the more muscle tissue you have, the more energy you burn up at rest.
source: express.co.uk