10 Big Misconceptions About Exercise [Video]

Here are 10 big misconception a lot of people have about exercise.

10- No Pain, No gain
9- Maximum Heart Rate = 220-age
8- Cardio burns more calories than weight training
7- If you do enough sit ups, you’ll get a six-pack
6- Calorie counters on exercise machines are accurate
5- You sweat out toxins
4- You have to be sweating or you’re not working hard
3- Stretching prevents injury
2- Replace running shoes every six months
1- Running on a treadmill will result in less knee injury

[Mental Floss]