Speed Core is a "one size fits almost everyone". If you measure around your hips, where you should wear your Speed Core, it will fit as small as 26 inches around and as large as 44 inches around.

Speed Core can be used indoors between just about any door, and outdoors anywhere that has a strong support to hook it to like a golf cart.

We recommend doing both for these reasons

Yes, Speed Core works for both right handed and left handed golfers and is intended to be used in both directions for all golfers.

As with all exercise, we recommend you consult your physician before beginning. Speed Core seems to actually help many golfers and their core, hips and back, not only with added range of motion and speed but also strength. Gary McCord has found he's able to play MORE golf with less pain. His endurance has improved so much in just a few months that he can now play as many holes as he likes and can hit balls now for hours at 75 years old.

It was two sets of twenty reps with the Speed Core on each hip. They asked for it to be done daily, it was approx. 3-4 times per week for 6 months. Most of the gain in swing speed was in the first 60 days.