An insane video of a woman running on a treadmill in stilettos has proven that a popular gym fear is unfounded.

Stay active without a gym! Dance, laugh, clean, or use the stairs to burn calories and enjoy the fun in everyday activities.

Create an upbeat playlist with your favorite songs to keep your energy levels high. Alternatively, listen to an interesting podcast or audiobook while exercising to make the time fly by. 5) Try ...