1. Liebenson C: Rehabilitation of the spine: a practitioner’s manual. 2007, Baltimore: Lippincott Williams & Wilkins, 2
2. Sahrmann S: Diagnosis and treatment of movement impairment syndromes. 2002, St Louis: Mosby Inc
3. McKenzie R, May S: Lumbar Spine, Mechanical Diagnosis and Therapy. 2003, Waikanae, New Zealand: Spinal Publications Ltd, 2
4. Maitland GD: Vertebral Manipulation. 1986, London: Butterworths, 5
5. O'Sullivan PB: Diagnosis and classification of chronic low backpain disorders: Maladaptive movement and motor control impairments as underlying mechanism. Man Ther. 2005, 10: 242-255.