There is a video of Sheffield city centre on YouTube that shows Sheffielders going about their everyday business.
Office workers walk through the street, students gather round and daydreamers wander through the city. At first glance, it is all rather ordinary.
But then a woman, clad only in a vest and tight shorts, bursts onto the scene and breaks into a few side-squats.
She is not barmy, but following a pioneering fitness regime created by two Sheffield personal trainers, Paul Glazby and Will Salt.
But this is not any fitness regime. It can be done in a phone box, in the office, on a stairwell or even when you are waiting at the bus stop.
The regime, simply known as Prime Mover, is downloadable as an app. It has been especially created to suit people with busy lives and busy jobs.
Will, aged 35, from, Handsworth says: “We created the app because we wanted to spread the Prime Mover message. We have two gyms in Sheffield and the philosophy is to get people involved, work together and encourage people. We wanted to make people see that exercise doesn’t have to be boring – that it can actually be fun.”
Fun is certainly an appropriate description. The video also depicts a woman leaping around the city centre with boundless energy, breaking into moves at whim. At one point she leaps up from her office desk, strips off her top and presses onto the floor, springing up again to repeat the move.
Paul, also from Handsworth, says: “We wanted to reach a wider audience.
“These days it’s too easy for people to destroy themselves with bad diets and lifestyles and go for the easy fix with medication or surgery.”
He is not wrong.
In 2011, Sheffield spent £311,977 on bariatric procedures – which includes gastric band and bypass operations.
Last year, £297,192 of Sheffield’s public money was spent on similar operations, while, so far this year £83,149 has been spent on operations such as gastric bypasses – almost £800,000 in two-and-a-half years.
Paul says: “If people were more aware of lifestyle changes and diet changes it wouldn’t get to that stage.”
And Paul is speaking from experience.
The 35-year-old says: “I weighed 16 stones, but managed to lose four stones purely by simply changing my diet. I then starting exercising and gained another stone, but I have less body fat now. Although I’m a stone heavier from when I first lost the weight, I am much healthier now.”
“There are so many foods that don’t do you any good.
“Basically, it’s about trying to eliminate the toxicity in your diet by cutting back on things like alcohol, vegetable oil, chemically altered fats and grains.”
A change of diet, combined with his new regime, has transformed Paul’s physique.
He says: “Anyone can do it and the exercises for the app are designed so they can be done anywhere, though if you do it in the office you may need a change of clothes as you will get a bit sweaty.”
And while the thought of leaping into a fitness regime halfway through a drudging day at work is hardly appealing, Paul says exercise actually creates more energy.
Paul says: “A lot of people think ‘I’m already knackered as it is without going to the gym’, but physical exercise actually boosts energy levels as well as help with sleep.”
But you do not have to be a fitness expert like Paul to use the app.
He says: “It’s designed for all fitness levels and there are supplementary tests and levels for people to complete too.
“Until people have finished one level they can’t move on to another.
“A few people have already completed all the levels and there is a low-key competition going on between some of our clients.
“It’s not as good as going to the gym but it is as close you’re going to get.” And, at 69p for the first instalment, it is a lot cheaper.
n For information on Prime Mover, visit http://prime-mover.co.uk