Your family might be visiting and you want to spend some time with them.

Girls may use this as an excuse to get out of exercise.

There may be a good show on TV that you enjoy which you would rather watch than going outside and doing physical activity.

You may be too tired to exercise.

You might not be able to get to a venue for your specific exercise.

It may be raining outside and you don't feel motivated to do anything

You may have an injury that is stopping you from being able to be active.

You might not be interested in a specific physical activity.

You might have a schedule and it might be out of wack which puts you all over the place.

You may not have enough money for equipment to do physical activity.

You might not want to do exercise.

Your peers may pressure you into not doing physical activity because you may look weird doing it.

You may feel embarrassed to do physical activity.

You may have homework or assignments due that interfere with your physical activity schedule.

You might lack confidence to try physical activity.

You may be addicted to apps like snapchat and instagram which stops you from going outside.