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”.
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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