Contents: Osteoporosis : a paediatric concern? / R.A. Faulkner, D.A. Bailey -- The biomechanical basis of bone strength development during growth / S.A. Kontulainen ... [et al.] -- The effect of exercise on bone mass and structural geometry during growth / R.M. Daly -- Evidence for an interaction between exercise and nutrition for improved bone health during growth B. Specker, M. Vukovich -- Gene-environmental interactions in the skeletal response to nutrition and exercise during growth / J.-P. Bonjour ... [et al.] -- The effect of energy balance on endocrine function and bone health in youth / C. Zanker, K. Hind -- Risk factors for fractures in normally active children and adolescents / A. Goulding -- Does exercise during growth prevent fractures in later life? / M.K. Karlsson -- Lessons learned from school-based skeletal loading intervention trials : putting research into practice / J.M. Hughes, S.A. Golner, M.A. Petit.