https://community.usms.org/swimming/f/general/33230/cam-mcevoy-exposes-why-traditional-swim-training-is-brokenhttps://www.youtube.com/watch?v=df8zFc5Qz8c And please no "age excuse" I am 57 and on a journey to break my PR in 50 Free !! And apply this to longevity - our body is amazing but we need to push the limit - carefully and well coordinated but the limiten-USTelligent Community 12