October 24, 2008 — A program of manual physical therapy and exercise was statistically significantly better in improving mechanical neck pain and disability than a program combining advice, mobility exercise, and ultrasound, according to the results of a randomized controlled trial reported in the October 15 issue of Spine.
WASHINGTON (AP) -- A 300-page summation of decades of research on exercise is bringing scientists face-to-face with how little they know.Consensus statements published by the American College of Sports Medicine establish that people who exercise improve their health. But researchers often can't tell how much health-improvement payoff will result from a given amount of work, or even if a workout will make a difference at all.