"Lie on a stability ball so your upper back and shoulders are supported by the ball and your hips are parallel to the floor, knees bent at 90 degrees."
Allen, Dave; Vad, Vijay (2007-03-15). Golf Rx: A 15-Minute-a-Day Core Program for More Yards and Less Pain (p. 45). Penguin Group. Kindle Edition.
No comments:
Post a Comment