Holding plank for a long time is pointless, fitness professor claims

If you're trying to strengthen your abdominals to improve your back health please read this!

Half way through it refers to the "Big 3" exercises for back health. We have been using these "Big 3" exercises for 8 years (with varying degrees of challenge).

Contact us if you need help including these exercises in your workouts.

Click on the pic or here for the article.