This quick drill is to work on your body undulations in your underwater dolphin kicks and in your butterfly. Feel a chest press and then feel the wave travel through your body. You should get power out of the upwards and downwards kicks.
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 :-)