He said: “But as you start to progress you can add in a bit of resistance,” as he demonstrated a squat with a dumbbell in each hand.

As for squeezing the bum at the top of the squat, “a little bit, but that’s entirely up to you”.

Simon added: “The squat is great for your core, the obliques, the six-pack look that you’re looking for.”

For expert squatters, Simon demonstrated a squat on top of a Bosu, which adds instability.

Source: Daily Express | Diet