If you've ever wondered (mid-crunch, most likely) exactly how many sit ups you should be doing every day to optimise your fitness, then you're in the right place - this is exactly the type of question ...

Each morning Tom Aspinall drops his kids off at school - the same school he used to go to when he was younger - before turning up at his father Andy's house which is just round the corner.It is here ...

Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time.

Each morning Tom Aspinall drops his kids off at school - the same school he used to go to when he was younger - before turning up at his father Andy's house which is just round the corner. It is here ...