When we think of strength we tend to conjure images of Lennox Lewis or Jonny Wilkinson's one-arm pull-ups. But what about Stephen Hawking or Albert Einstein? Is mental might as important as muscle mass?
According to the team behind the AdeZ Ultimate Strength Test it certainly is, proving once and for all that it takes more mind than muscle to be truly strong'.
But are you ready to take the test to find out how strong you are?
Join our expert panel including Britain's first ever female fighter pilot Jo Salter, leading celebrity fitness instructor, Jamie Baird; happiness expert Dr Robert Holden; and nutritionist to the London Wasps and London Irish Rugby Clubs, Jane Griffin, as they discuss how to discover your strength.