7. Experiment with hand swapping as a drill. It’s difficult to remember all of the mechanical details while actually swimming. I short-circuited trying to follow half a dozen rules at once. The single drill that forced me to do most other things correctly is hand swapping. This is the visualization I found most useful: focus on keeping your lead arm fully extended until your other arm comes over and penetrates the water around the extended arm’s forearm. This encourages you to swim on your sides, extends your stroke length, and forces you to engage in what is referred to as “front-quadrant”
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