I don't know how to link to YouTube from here, but if you follow the above you'll see a very amusing (and breathtakingly dangerous) incident in which, thankfully, nobody was hurt.
I do wish they wouldn't make so much noise when they hit the ball - I understand about effort and aggression psychology but in my day they could play good tennis a great deal more quietly
Have just decided to get myself fit again and bought a mountain bike. Just wanted to know how to build up gradually without any nasty strains etc. I want to cycle to work eventually which is a 20 mile...