Demonstrating how to strengthen a supine flutter kick. This position of the ball forces this rumor to kick up against the ball thus creating more strength and power. Make sure the swimmer kicks from the hips and not from their knees.
Production engineer and certified swim coach. Full-time IT consultant, spare-time swimming aficionado. 2 sons, 2 daughters and a wife. President of the Faroe Islands Aquatics Federation. Likes to run :-)