Want to improve your front crawl for a more efficient, faster swim? Our Head of Pools, Dan, explains how a single arm stroke drill is a simple yet effective way to achieve more balance across the body in the water. Start with swimming a length with one arm, then switch, after that alternate single arm strokes every three strokes. This drill really aids in improving coordination and focusing on arm technique. It is beneficial in preventing their arms from crossing in front of their body, which in