300 rep ab workout for those students who want to show off their 6 pack during the summer
Burns 300 Calories - this only burned 90 calories for me in about 12 minutes and my heart rate was up the whole time. good, quick workout but not close to 300 calories. Time to do it again!
This Spartan Full Body WOD will definitely work you into a sweat! It takes about 20 minutes and burns 240 calories.