What martial arts does Jason Statham practices in real life?
He basically do calisthenics, it's not martial arts. Using the body weight on ground and bars are the perfect way to shape up, well in the end it's all on diet and the biological cycle of the person.
Most of the people are now practising mixed martial arts too, may be because of it's popularity and effect of professional fighters like Conor mcggregor and platform like UFC have changed the way of underground sport to a well established platform.
You can follow barbrothers or starbarzz for various fields of physique developments.
Afterall a kick may be brutal but sports like b- boy and tricking have developed matial arts from a deadliest weapon to an impossible sports.