Check out the picture it has great streamline tips. This is an easy way to improve your swimming. Notes:
-A good streamline reminds you to stretch through your core on the beginning of each lap, a feeling you should maintain as you break-out into your full freestyle stroke.
- This position gives your upper back and shoulders a mini stretch on every push-off which develops and maintains your flexibility over time.
- The speed you will gain in the pool allows you to train with swimmers who would otherwise be a little bit quicker than you.