The feet are our first port of call when receiving impact from the ground. So what happens when the surface you stand on is not what you’re used to? Fire up your feet in this fun, imaginative challenge of balance, which will help to strengthen your legs - particularly your ankles. You'll need a bolster for this one. The second in a 3 part mini-series. Try Class 1: 360-degree hips and hamstrings and Class 3: Leg-endaily pickups.