It might sound obvious but your lunges are not on point, you could be doing irreversible damage to your knees - watch PT Ashley's quick how-to video
They're all designed to make a difference to your shape and work different body parts on different days - we are obsessed with doing them
This short but killer session will strengthen the big quads and hamstring muscles so your body becomes a fat-burning machine
The third in our challenging 20-minute kettlebell workout video series featuring trainer Daisy Malin from London's prestigious W10 gym
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