If there was ever an effective advert for fitness motivation, this would be it.

Meet Ernestine Shepherd - the 75-year-old bodybuilder who runs 10 miles every morning and cites exercise as her own personal anti-ageing pill.

‘Miss Ernie’, the world’s oldest female bodybuilder, insists that age is ‘nothing but a number’ which she proves by getting up at 2:30am every morning to run and train in the gym.

The fit-as-a-fiddle pensioner from Maryland, US, set the record as the oldest competitive female bodybuilder in 2010 to 2012, but claims she doesn't come from a family of fitness fanatics and only started training when she hit her 50s.

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"When I was younger, I was never, ever considered athletic. I was too prissy," Shepherd told the BBC.

But at age 56, my sister and I were invited to a picnic and we had to wear bathing suits and we didn't like the way we looked, so we decided to exercise.

“My sister died of a brain aneurysm in 1992, I was so sad. She came to me in a dream and she said I wasn’t doing what I said we would do. So I did it.”

Shepherd teaches a fitness class in her local church, helping women decades younger than her to keep fit and healthy. She claims her fitness mantra is simple...

“I always practice what I preach. I don't teach bodybuilding. I teach health, happiness and prosperity - that's the formula!”

Take a look at the full profile on the amazing Ernestine Shepherd here.

If this hasn't made you jump on the treadmill, check out these motivational tips on getting fit this summer...

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  • 10 Inspiring Ways To Think Yourself Fit

    How to 'think yourself fit' this spring by fitness trainer and coach <a href="http://www.timweeks.co.uk/" target="_hplink"><strong>Tim Weeks</strong></a>. <a href="https://twitter.com/#!/tim_weeks" target="_hplink"><strong>Follow Tim on Twitter</strong></a>

  • Enjoy It

    If there is no passion in what you do, even the greatest motivation power wont get you over the first hurdle. Loving what you do makes the whole 'fitness experience' a lot of fun. Think of it like your job: hate your job and the week drags by. Love your job and nothing is ever a problem and motivation is constantly high.

  • Give Yourself Plenty Of Options

    Due to your natural peaks and troughs of ones mood (especially for women due to menstrual cycle), you need to have 4 or 5 different activities to choose from depending on your mood.   If you really can't be bothered, having an easy option like a walk will mean you don't need superhero powers to motivate yourself to get off the sofa.  Try as many different activities as you can until you find a few that 'click'.

  • Set Yourself A Challenge

    However cliché this sounds, it works. This doesn't necessarily mean signing up to the London marathon or climbing Everest. It might be trying to complete a lap of the park jogging without walking.

  • Invest In A Decent Trainer

    Anyone can write a programme. The real talented trainers out there have something very special about them.   Look at Jose Mourhino. Love him or hate him. He has an amazing ability to motivate people and unlock peoples potential to allow them to reach new heights.  Having that 'motivator' at your side should be able to unlock that 'belief' within you that everyone has. Look for someone who is interested in your long term development. They can actually help you put all of these 10 items in this list into place.  Not just getting ready for the beach in 4 weeks time.

  • Build A Fortress Around You

    'Stuff' happens in life that you have to deal with as you go along (good or bad). Build a support network of good people around you for when bad times arrive. It therefore means you don't always have to rely on will power. Having good people around you can actually kick start your motivation for you without you even realising.

  • Share Your Achievements

    If you get feedback from another person, their enthusiasm can help you feel valued. If you feel good about yourself, you naturally enter a self generating positive motivation cycle.

  • Have An Incentive

    This may sound ridiculous but it can work.  Put a chart on your fridge for 10 sessions.  When you have completed all 10, treat yourself. Buy an item like a handbag, a pair of shoes or a book. The physical item is a nice reminder to yourself of how amazing you are and what you have achieved.

  • Have A Fitness Buddy

    Sometimes having a friend giving you a kick up the bum is really helpful. You can actually motivate each other. Especially useful if one can't be bothered.

  • Don't Go Over The Top

    If you go over the top and set yourself totally unrealistic goals (eg I am going to exercise everyday) the low you feel is VERY low. You then need superhuman motivational powers to get back on track.  Don't put yourself in the position in the first place.

  • Take Time Off

    If you exercise regularly, at some point you will hit a motivational lull. Therefore, when you go on holiday, enjoy yourself. Forget exercise.  It will recharge your brain so you get back that hunger.