Pork chop (368kcal per 200g)

Run for 26 mins

Walk for 1hr 15 mins

Sit quietly for 4hrs 11 mins

Grilled lamb cutlet (734kcal per 200g)

Run for 51 mins

Walk for 2 hours 29 mins

Sit quietly for 8hrs 21 mins

Beef rump steak, fried (456kcal per 200g)

Run for 33 mins

Walk for 1hr 32 mins

Sit quietly for 5hrs 11 mins

Grilled chicken breast (296kcal per 100g)

Run for 21 mins

Walk for one hour

Sit quietly for 3hrs 22 mins

Sources: Calorie Counter, Collins Gem,

www.fitnessonline.com/tools/calories/ Times are calculated for a 10-stone person walking at 3mph or running at 7mph.