Has your progress in the gym come to a standstill?

Push on through with this high-intensity workout upgrade, says Amanda Khouv.

When you hit the gym as a newbie, or even when you simply embark on a new gym routine, you usually start to feel the benefits right away.

You wear your post-workout aches and pains like a badge of honour, new muscle tone starts to make its way to the surface and you feel stronger every time someone asks you to open a jam jar.