Stand facing a worktop with your fingertips placed on the worktop.
Ensure not to pull on the worktop surface but feel the weight press down trough your fingertips.
With your toes pulled up lift your knee up in front of you.
Hold this position for a moment ensuring your toes stay up.
Return to the starting position placing your heel on the floor followed by the rest of the foot, with your feet level.
Repeat.
