Bone mass and physical activity

In the western world, fragile and osteoporotic bones in later years are a growing factor for death or painful physical disability of the aging population. In protecting against osteoporosis, bone mineral accumulation at the time of childhood and teenage years performs an important part. For preventing osteoporosis and associated fractures, determining and optimizing the aspects impacting peak bone mass is crucial. The primary objective of this dissertation was to check out the possible effects of several kinds of weight-bearing physical activity on bone accretion in young men just out of puberty. The outcomes from our subgroups of athletes comprising badminton, soccer, ice hockey players report that weight-bearing physical activity gives rise to regional specific bone response which is driven by the degree of impact of the activity in areas subject to mechanical loading. To sum up, the bone is susceptible to loading following puberty in males, and necessary bone mass gains may be accomplished by appropriate amount and kind of exercise. One more goal of this dissertation was to study the impact of detraining on weight-bearing and non-weight-bearing bone in a cohort of teenage males who took part in ice hockey and soccer training…

Contents: Bone mass and physical activity

Bone structure
Methods for investigating bone density
Biochemical markers of bone turnover
Physical activity and BMD
Bone response to load
Immobilization and inactivity
Physical activity and infants
Physical activity and children
Physical activity and adolescents
Physical activity and premenopausal women
Physical activity and postmenopausal women
Physical activity and men
Physical activity and fractures
Aims of the thesis
Material and methods
Bone mineral density
Statistical analysis
Pubertal staging

Source: Umea University

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