Hi there,
the place to go for martial arts which is open from Monday to Saturday, mornings, lunchtime and evenings is in Oerlikon. It offers complete body workout while learning self defense.
A Taekwondo school ( Tae= foot, Kwon = fist, Do = way) ancient martial art where a lot of english speaking members are found and classes are also in english if u wish.
Try this
www.kampfkunstzuerich.ch