Traduko - Angla-Japana - let your body decide were you want to go

Romanized
Doko ni ikitai-ka o jibun no karada ni makasete
Literally
Where do you want to go? Leave it up to your body!

let your body decide where to go

would be considerably shorter, viz.

あなたの方向を決めるのは体に任せて

Romanized:
Anata no hôkô o kimeru no wa karada ni makasete
Literally:
Allow (your) body to choose your direction