Roy J. Shephard is Professor Emeritus of Applied Physiology in the Faculty of Kinesiology & Physical Education at the University of Toronto, Canada. He was Director of the School of Physical and Health Education (now the Faculty of Kinesiology & Physical Education) at the University of Toronto for 12 years (1979-1991), and he served as Director of the University of Toronto Graduate Programme in Exercise Sciences from 1964 to 1985.

• Preface1. The classification of physical activity2. Physical activity and the oesophagus: oesophageal motility and issues of gastro-oesophageal reflux3. Optimizing gastro-duodenal function during physical activity4. Physical activity and peptic ulcers5. Physical activity and and the risk of gastro- oesophageal cancers 6. Physical activity and large bowel function: constipation, diarrhoea, and rectal bleeding7. Physical activity, chronic intestinal inflammation and coeliac disease8. Physical activity and colo-rectal adenomas9. Physical activity and the risk of colo-rectal carcinomas10. Exercise-related transient abdominal pain (ETAP)

Roy J. Shephard is Professor Emeritus of Applied Physiology in the Faculty of Kinesiology & Physical Education at the University of Toronto, Canada. He was Director of the School of Physical and Health Education (now the Faculty of Kinesiology & Physical Education) at the University of Toronto for 12 years (1979-1991), and he served as Director of the University of Toronto Graduate Programme in Exercise Sciences from 1964 to 1985.

• Preface1. The classification of physical activity2. Physical activity and the oesophagus: oesophageal motility and issues of gastro-oesophageal reflux3. Optimizing gastro-duodenal function during physical activity4. Physical activity and peptic ulcers5. Physical activity and and the risk of gastro- oesophageal cancers 6. Physical activity and large bowel function: constipation, diarrhoea, and rectal bleeding7. Physical activity, chronic intestinal inflammation and coeliac disease8. Physical activity and colo-rectal adenomas9. Physical activity and the risk of colo-rectal carcinomas10. Exercise-related transient abdominal pain (ETAP)

Roy J. Shephard is Professor Emeritus of Applied Physiology in the Faculty of Kinesiology & Physical Education at the University of Toronto, Canada. He was Director of the School of Physical and Health Education (now the Faculty of Kinesiology & Physical Education) at the University of Toronto for 12 years (1979-1991), and he served as Director of the University of Toronto Graduate Programme in Exercise Sciences from 1964 to 1985.

• Preface1. The classification of physical activity2. Physical activity and the oesophagus: oesophageal motility and issues of gastro-oesophageal reflux3. Optimizing gastro-duodenal function during physical activity4. Physical activity and peptic ulcers5. Physical activity and and the risk of gastro- oesophageal cancers 6. Physical activity and large bowel function: constipation, diarrhoea, and rectal bleeding7. Physical activity, chronic intestinal inflammation and coeliac disease8. Physical activity and colo-rectal adenomas9. Physical activity and the risk of colo-rectal carcinomas10. Exercise-related transient abdominal pain (ETAP)