Sign up here for the plank! I propose that everyone shoud nominate a certain amount of seconds to stay in the position below. When doing it is imperative to suck your abs in. This is to run along side the challenge that Jane runs. It looks easy, but is a lot harder than first it appears.

Taken from this website http://exercise.about.com/od/abs/ss/abexercises_10.htm
So ladies and gents. Who is in!?
Sign up below. have a quick go and see how long you can hold that position for. Then tell me how long you will do a day. Can be done in batches or all in one go.

Taken from this website http://exercise.about.com/od/abs/ss/abexercises_10.htm
So ladies and gents. Who is in!?
Sign up below. have a quick go and see how long you can hold that position for. Then tell me how long you will do a day. Can be done in batches or all in one go.










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