We know how much you all loved the last two video featuring Liam and Mark.

Well… it gets even better!

Mark and Liam are back at it it, bringing you the best online exercise demos, education and entertainment

In this clip Mark (entertainingly) takes Liam through one of our favourites, the Heels Elevated Squat!

Watch as Liam pushes through the lactic acid burn and Mark explains why this particular exercise is crucial in building quads for all clients, from beginners to bodybuilders!

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