5 reasons to roll out the gym ball

Unstable training has fallen out of favour in recent years, but there are still some benefits to be gained by incorporating it into your training regime

Over ten years ago, in a fitness land before Instagram belfies, gym balls muscled their way out of the rehab room and onto the gym floor. They were heralded as the key bit of kit for developing your core strength. But in recent years the popularity of unstable surface training has had a bit of a wobble.

The argument against them is that they often require you to drastically reduce the weight you can lift, making them less than ideal for adding strength and size. There is some truth to that but before you deflate your ball, consider these five instances where they can have a positive impact on your training.