PERSONAL Trainer Win Marsh says she will be running more free sessions to introduce those who aren't familiar to the metafit style of exercise.

More than 20 people turned up for the session this morning and spent half an hour intensely working their muscles using nothing but their own body weight. 

"I have only just started offering this in Gladstone and so far the interest has been good.

"We will definitely be "It's a form that's suitable to all ages and fitness groups," Ms Marsh said.

"That's because there are modifications you can do."

In the video Ms Marsh shows the original exercise first, followed by the modification.

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