How to wash sports clothes by hand?

Follow the following steps to effectively clean your synthetic sports clothes by hand:
For two litres of lukewarm water with half a capful of detergent into a basin, then add lemon juice and mix.
Let your clothes soak for a quarter of an hour then rub the parts that smell the most due to perspiration (armpits, back, collar) with a soft brush.
Finally, rinse, wring your clothes out and hang them to dry, preferably outside.