Starting Position
1. Hold onto the edge of the pool and keep your body horizontal.
2. Extend your legs straight and point your toes.
During the Exercise
1. Kick your legs up and down alternately at a fast pace.
2. The movement should start from your hips, and avoid bending your knees too much.
3. Keep your toes pointed at all times.
Breathing Tips
Breathe naturally. Hold your breath underwater and exhale when your head is above water.