Standing hip flexion with support - Alternating knee lifts

Stand facing a worktop with both hands flat on the worktop.
Press your hands slightly against the worktop.
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 with the other leg.