Gymnastic manoeuvre (9)
(Other definitions for cartwheel that I've seen before include "acrobatic manoeuvre" , "revolutionary movement" , "to go on the wagon" , "one that's on the wagon" , "Revolutionary move" .)
(Other definitions for handstand that I've seen before include "That's an inversion!" , "Gymnastic inversion" , "Acrobatic manoeuvre" , "good balance, head right down" .)