Hips.
When swimming frontcrawl the hips stay high and close to the water surface with your costume just breaking the surface. There is slight rotation of the hips to the left and right as you reach forwards with every arm stroke.
Discover our new Coaching Trends section - in-depth articles covering the latest tactics, techniques and innovations across Football, Hockey, Cricket, Rugby, Netball, Basketball, Tennis, Handball and Volleyball.
Save yourself a scare this Halloween and ensure your session runs smoothly. No chaos, no fright, just structure.
As the Lions tour approaches with their first tour game this Friday against Argentina, we look ahead at what the fans can expect to see from both sides as the tour in Australia approaches...