1) Lots. I don't tknow the exact number, I wold guess up to 15%<br><br>
2) The otehr strokes will give you a break and strengthen the shoulders while still working the aerobic engine. Also the break will allow you to have better/fresher form when you go back to free. You don't want to reinforce bad stroke technique.<br><br>
CS
2) The otehr strokes will give you a break and strengthen the shoulders while still working the aerobic engine. Also the break will allow you to have better/fresher form when you go back to free. You don't want to reinforce bad stroke technique.<br><br>
CS