1. Nordin, M. & Frankel, V. H. Basic Biomechanics of the Musculoskeletal System (ed. Leger, D.) Ch. 1, 3–30 (Lippincott Williams & Wilkins, 2012).
2. Hall, J. & Guyton A. Textbook of Medial Physiology (Elsevier Saunders, 2005).
3. Chaitow, L. Muscle Energy Techniques (ed. Chaitow, L.) Ch. 2, 23–77 (Churchill Livingstone, 2006).
4. Muyor, J. M., López-Miñarro, P. A. & Alacid, F. A comparison of the thoracic spine in the sagittal plane between elite cyclists and nonathlete subjects. J Back Musculoskelet Rehabil. 24(3), 129–135 (2011).
5. López-Miñarro, P. A., Muyor, J. M. & Alacid, F. Sagittal spinal and pelvic postures of highly-trained young canoeists. J Hum Kinet. 29, 41–48 (2011).