Wanna bust a move?

As the latest alternative to keep fit videos, House Gymnastics has proved a massive success on the web.

Here one of its creators, James Ford, takes BBC News Online through some of the moves.

Some of these exercises may be dangerous if appropriate safety measures are not taken.

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The carpet crab is a move taken directly from yoga - you have to have a really bendy back

The X-door is one of the hardest moves while the upper door frame grab, right, looks like a breakdance move

The brace was the very first move - it was good fun on that day we were climbing over everything

The one-handed starfish is one of the most difficult ones to do but one of the most aesthetically pleasing

The enclosed space brace, left, is a bit confining while the jumping jack wedge gets you climbing walls

James Ford and Spencer Harrison say house gymnastic is an alternative to keep fit videos