1. Bar‑Or, O.  Arm ergometry vs. treadmill running and bicycle riding in men with different conditioning levels.  In:  Hanson, G. and H. Mellerowicz (eds)  3rd Internationales Seminar fur Ergometrie.  Berlin:  Institut fur Leistungsmedizin, 1972, pp. 123‑128.
  2. Bar-Or, O.  A comparison of responses to exercise and lung functions of Israeli Arab and Jewish 12-14 year-old boys.  In:  Proceedings 4th International Symposium on Pediatric Work Physiology.  Natanya:  Wingate Institute, 1973, pp. 59-68.
  3. Bar-Or, O. and L.D. Zwiren.  Physiological effects of increased frequency of physical education classes and of endurance conditioning on 9-10 year old girls and boys.  In:  Proceedings 4th International Symposium on Pediatric Work Physiology.  Natanya:  Wingate Institute, 1973, pp. 183-193.
  4. Rode, A., O. Bar-Or, and R.J. Shephard.  Cardiac output and oxygen conductance.  A comparison of the Canadian Eskimo with the city dweller.  In:  Proceedings 4th International Symposium on Pediatric Work Physiology.  Natanya:  Wingate Institute, 1973, pp. 45-48.
  5. Ayalon, A., O. Inbar, and O. Bar‑Or.  Relationships among measurements of explosive strength and anaerobic power.  In:  Nelson, R.C. and C.A. Morehouse (eds.)  International Series on Sports  Sciences.  Vol.I, Biomechanics IV.  Baltimore:  University Park Press, 1974, pp. 527‑532.
  6. Weingarten, G. and O. Bar‑Or.  The effect of frequency and content of physical education classes upon sociometric status in 9 and 10 year old girls and boys.  (Rumanian).  In:  Epuran, M. (ed.)  Phisiologia Si Sportal Contemporan.  Bukarest:  Stadiom, 1974, pp. 340‑346.
  7. Bar-Or, O.  The physiological aspects of strenuous activity in old age.  (Hebrew).  In:  Brand-Auraban, A. (ed.) Geriatrics-Gerontology.  Jerusalem:  The Israel Medical Association – Jerusalem Academy of Medicine, 1974, pp. 124-127.
  8. Bar-Or, O.  Lesser known physiological and perceptual indices for endurance in advanced ages.  In:  Proceedings of a Satellite Seminar on Physical Exercise and Activity for the Aging.  10th International Congress of Gerontology.  Natanya:  Wingate Institute, 1975, pp. 175-184.
  9. Bar-Or, O., O. Inbar, and R. Dotan.  Proficiency, speed and endurance test for the wheelchair-bound.  In:  Simri, U. (ed.) Motor Learning in Physical Education and Sports.  Natanya:  Wingate Institute, 1976, pp. 310-318.
  10. Bar‑Or, O.  Age‑related changes in exercise perception.  In:  Borg, G. (ed.)  Physical Work and Effort.  Stockholm:  Pergamon Press, 1977, pp. 255‑266.
  11. Bar‑Or, O. and O. Inbar.  Relationships between perceptual and physiological changes during heat acclimization in 8‑10 year old boys.  In:  Shephard, R.J. and H. Lavallee (eds.)  Frontiers of Activity and Child Health.  Quebec:  Pelican, 1977, pp. 205‑214.
  12. Inbar, O. and O. Bar‑Or.  Relationship of anaerobic and aerobic arm and leg capacities to swimming performance of 8‑12 year old children.  In:  Shephard, R.J. and H. Lavallee (eds.)  Frontiers of Activity and Child Health.  Quebec:  Pelican, 1977, pp. 283‑292.
  13. Ben‑Ari, E., O. Inbar, and O. Bar‑Or.  The anaerobic capacity and maximal anaerobic power of 30‑40 year old men and women.  In:  Proceedings of the 5th International Symposium of Kinanthropometry and Ergometry.  Quebec:  1978, pp. 427‑433.
  14. Bar‑Or, O., L.D. Zwiren, and R. Dotan.  Correlations among aerobic fitness tests and VO max in men who vary in aerobic capacity.  In:  Shephard, R.J., (ed.)  Physical Fitness Assessment ‑ Practice and Application.  Springfield:  Charles C. Thomas, 1978, pp. 356‑362.
  15. Bar‑Or, O. and O. Inbar.  Relationships among anaerobic capacity, sprint and middle distance running of school children.  In:  Shephard, R.J. and H. Lavallee (eds)  Physical Fitness Assessment.  Springfield, Ill.:  Charles C. Thomas, 1978, pp. 142‑147.
  16. Inbar, O. and O. Bar-Or.  Changes in arm and leg anaerobic performance in laboratory and field tests, following physical training.  In:  Simri, U. (ed.) Proceedings of the International Seminar on Art and Science in Coaching.  Natanya:  Wingate Institute, 1979, pp. 38-48.
  17. Dotan, R., U. Goldbourt, and O. Bar‑Or.  Kinanthropometric parameters as predictors for the success of young female and male gymnasts.  In:  Ostyn, M., G. Beunen, and J. Simons (eds.)  Kinanthropometry ll, Int’l Series on Sport Sciences, Vol 9.  Baltimore:  University Park Press, 1980, pp. 212 ‑213.
  18. Grodjinovsky, A., O. Bar‑Or, R. Dotan, and O. Inbar.  Training effect in children on the anaerobic performance as measured by the Wingate Anaerobic Test.  In:  Berg, K. and B.O. Eriksson (eds.)  Children and Exercise lX.  Baltimore:  University Park Press, 1980, pp. 139‑145.
  19. Bar‑Or, O.  Physiologische Gesetzmassigkeiten sportlicher Aktivitat beim Kind.  In:  Howald, H. and E. Hahn (eds.)  Kinder im Leistungssport.  Basel:  Birkhauser Verlag, 1982, pp. 18‑30.
  20. Bar‑Or, O.  Climatic conditions and their effect on exercise‑induced asthma ‑ a review.  In:  Oseid, S., and A.M. Edwards (eds.)  The Asthmatic Child in Play and Sports.  London:  Pitman, 1983, pp. 61‑73.
  21. Jacobs, I., O. Bar‑Or, R. Dotan, J.K. Karlsson, and P. Tesch.  Changes in muscle ATP, CP, glycogen and lactate after performance of the Wingate Anaerobic Test.  In:  Knuttgen, H.G., J.A. Vogel, and J. Poortmans (eds.)  Biochemistry of Exercise.  Champaign, Illinois:  Human Kinetics Publishers, 1983, pp. 234‑238.
  22. Bar‑Or, O.  The growth and development of children’s response to exercise.  In:  Ilmarinen, J. & I. Valimaki (eds.)  Children and Sport.  Berlin:  Springer Verlag, 1984, pp. 3-17.
  23. Grodjinovsky, A. and O. Bar‑Or.  Influence of added physical education hours upon anaerobic capacity, adiposity, and grip strength in 12‑13‑year‑old children enrolled in a sports class.  In:  Ilmarinen, J., and I. Valimaki (eds.)  Children and Sport.  Berlin:  Springer Verlag, 1984, pp. 162‑169.
  24. Bar‑Or, O.  Some notes on physiological and medical considerations for exercise and training of children.  In:  Binkhorst, R.A., H.C.G. Kemper, and W.H.M. Saris (eds.)  Children and Exercise Xl.  Champaign, Illinois:  Human Kinetics, 1985, pp. 346‑353.
  25. Bar-Or, O.  The oxygen cost of children’s movement in health and disease.  In:  Russo, P. and L.G. Gass (eds.).  Exercise, Nutrition and Performance.  1985, pp. 97-104.
  26. Inbar, O., R. Dotan, O. Bar-Or, and B. Gutin.  Passive versus active exposures to dry heat as methods of heat acclimatization in young children.  In:  Binkhorst, R.A., H.C.G. Kemper, and W.H.M. Saris (eds.)  Children and Exercise XI.  Champaign, Ill.:  Human Kinetics, 1985, pp. 319-340.
  27. Bar‑Or, O.  Special Considerations of Exercise in Children and Adolescents.  Chapter 7.  In:  Winnick, M. (ed.)  Nutrition and Exercise.  New York:  John Wiley & Sons, 1986, pp. 105‑116.
  28. Blimkie, C.J.R., P. Roche, and O. Bar‑Or.  Concept of anaerobic to aerobic power ratio in pediatric health and disease.  In:  Rutenfranz, J. (ed.)  Children and Exercise XII.  Champaign, Illinois:  Human Kinetics, 1986, pp. 31-37.
  29. Bar‑Or, O.  The O2 cost of child’s movement in health and disease.  In:  Russo, P. and G. Gass (eds.)  Exercise and Nutrition.  Sydney:  Cumberland College, 1987, pp 97-104.
  30. Bar‑Or, O.  Methodologic considerations in pediatric exercise physiology.  In:  Russo, P. and G. Gass (eds.)  Exercise and Nutrition.  Sydney:  Cumberland College, 1987, pp 105-115.
  31. Bar-Or, O.  Factors that limit the maximal aerobic power of children with a chronic disease.  In:  Kaneko, M. (ed.)  Fitness for the Aged, Disabled, and Industrial Worker.  Champaign, Ill.:  Human Kinetics, 1989, pp. 135-142.
  32. Bar-Or, O.  Non-routine testing in the pediatric exercise laboratory.  In: Coudert, J. and E. Van Praagh (eds) Pediatric Work Physiology.  Paris, France, Masson, 1992, pp. 168-173.
  33. Bar-Or, O.  Childhood and adolescent physical activity and fitness and adult risk factor.  In: Bouchard C., Shephard, R.J., and Stephens, T. (eds.) Physical Activity, Fitness and Health.  Champaign, Illinois: Human Kinetics, 1994, pp.931-942.
  34. Bar-Or, O.  Beneficial and deleterious effects of training on the health of the child with a chronic disease.  Chapter 8.  In:  H.A. Quinney, Gauvin, L., Wall, A.E.T., (eds.) Toward Active Living.  Champaign, Illinois: Human Kinetics, 1994, pp. 55-60.
  35. Bar-Or, O.  Developing the prepubertal athlete:  physiological principles.  In:  Troup, J.P., A.P. Hollander, D. Strasse et al. (ed) Biomechanics and Medicine in Swimming.  London, England: Chapman and Hall, 1996, pp. 135-139.
  36. Bar-Or, O., and B. Wilk.  Fluid and electrolyte replenishment in the exercising child.    In:  Itala, South African Proceedings.  In press.
  37. Smolander, J., J. Oksa, M. Tervo, K. Savonen, H. Pekkarinen, and O. Bar-Or. Thermal responses to cross-country skiing in prepubescent boys and in young men. In:  Johannsen, B.N., and R. Nielsen (eds.) Thermal Physiology. Copenhagen,Denmark: The August Krogh Institute, 1997, pp. 339-342.
  38. Bar-Or, O.  The young athlete with chronic disease.  In:  Chan, K-M., and L.J. Micheli (eds) Sports and Children.  Williams & Wilkins, Hong Kong, 1998, pp. 219-228.
  39. Bar-Or, O.  Physical performance of children with physical disabilities.  In:  Casagrande G. and F. Viviani (Eds.) Physical Activity and Health:  Physiological, Epidemiological and Behavioural Aspects.  Unipress, Italy, 1998, pp. 49-54.
  40. Bar-Or, O.   Fluid balance and physiologic and behavioral control of fluid intake in physically active children.  In:  Arnaud, M.J. (ed). Hydration Throughout Life. John Libbey Eurotext, Italy, 1998, pp. 175-181.
  41. Bar-Or, O.  Young swimmers:  Physiologic considerations.  In:  Fu, F.H., E.P. Chien, and P-K. Chung (eds)  Aquatic Sports Medicine for the New Century.  Peacock Press, Hong Kong, 1999,  pp 99-108.
  42. Bar-Or, O.  Development of physiological responses to exercise.  In:  Joint Meeting Osaka 2000,   Osaka University of Health and Sports Sciences, 2000, pp. 56-61.
  43. Bar-Or, O.  Recreational vs. regimented activities in pediatric exercise medicine.  In:  Fu, F.H. and H. Ruskin (eds)  Physical Fitness and Activity in the Context of Leisure Education. Glory Printing and Productions Co. Ltd., Hong Kong 2001, pp 37-44.
  44. Bar-Or, O.  Nutritional considerations for the child athlete.   In:  Canadian Journal of   Applied Physiology 26: S186-S191, 2001.
  45. Bar-Or, O.  Dehydration and rehydration in the exercising child and adolescent.  In:  Malina, R.M. and M.A. Clark (eds) Youth Sports – Perspectives For a New Century.  Coaches Choice, Monterey, CA 2003, pp 69-75.
  46. Wilk, B., D. Pascale, O. Bar-Or, L. Tremblay, S. Dominic, and D. Elliott.  Cognitive and perceptual-motor responses to exercise-induced dehydration in boys.   In:  Van Praagh, E., J. Coudert, N. Fellmann, and P. Duche (eds) Book of Abstracts.  Annual Congress, European College of Sport Science,  Clermont-Ferrand, France, 2004, pp 145.