Flexibility or Stability ? גמישות או יציבות

Uploaded on Oct 27, 2011
University of Waterloo kinesiology professor Stuart McGill is one of the world's foremost experts on spine biomechanics. Here, he discusses several pervasive myths about back injury, exercise, proper lifting, and strengthening the core. Plenty of exercise and movement demonstrations teach you better ways to keep your back healthy for a lifetime.
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