A special Dutch version of all the important core and stretch exercises for sailing fitness! You can execute them at home, without special equipment or dumbbells. Correct your technique using the perfect example. Training your core is extremely important for sailors. Many athletes struggle with lower back injuries later on in their career. A lot of those injuries can be prevented, just by making sure your core is strong enough for the game. Unlike lifting weights, you can (must!) begin training your core at a young age.