unstable surface

A new study suggests if you're going to use stability balls for the bench press, you should ditch the barbell in favor of dumbbells.
TRX exercises have become increasingly popular over the years. A recent study investigated the effects of TRX on pressing exercises, compared to stable surface training.
Every Sunday we post the "Sunday Seven" so you can quickly see the 7 most popular articles of the week. This week: the American swing, back squats vs. front squats, deadlift tips, and more!
We've all seen people doing weight training on some crazy unstable surface. Does it actually do something for you? Science took a look and said no.