Gymnastic-ed out

The chidlers are a bit Olympic bonkers.
Chris Hoy is a major hero.
"G.B. G.B. G.B." can be heard chanted around the house at any given moment.

And this?..
This is Master B, clad in his sisters old lycra leotard ("Lilytard" as he says!) exhausted from his gymnastic efforts on "the mat" - which is a must when doing gymnastic displays. You can't possibly perform at your best on the carpet for goodness sake!