Lifeboat crews must be aged between 17 and 45, live or work in Cleethorpes, be physically fit and not colour blind.

BBC: Cleethorpes RNLI lifeboat crew seeks volunteers

"You just have to be physically fit with no history of joint issues, any one who can move really, " he said.

BBC: First bespoke parkour gym opens in Milton Keynes

The only selection criteria is people must be over 18, pass a three-week sailing course and be physically fit enough to complete the epic voyage.

CNN: November 8, 2012 -- Updated 1414 GMT (2214 HKT)

Is it any surprise that Indians appear to be more physically fit than their counterparts in more prosperous parts of the world?

BBC: The myth of the physically unfit Indian

Among the rental items: a two-meter-long snake, an orangutan and some lizards and tarantulas. (The island is home to such creatures as pythons, macaques and fruit bats.) While the castaways need to be mentally and physically fit, wilderness experience isn't a must.

CNN: Have Footage, Will Travel

My testing will be a breeze because I am physically fit.

CNN: Student log: Charna-Marie Dixon