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Relationships between physical activity and physical capacity in adolescent females and bone mass in adulthood
Högskolan i Gävle, Centrum för belastningsskadeforskning.
Högskolan i Gävle, Centrum för belastningsskadeforskning.
Sports Medicine Unit, Department of Surgical and Perioperative Sciences, University of Umeå, Umeå, Sweden; Clinical Pharmacology, Department of Pharmacology and Clinical Neuroscience, University of Umeå, Umeå, Sweden.
Sports Medicine Unit, Department of Surgical and Perioperative Sciences, University of Umeå, Umeå, Sweden.
2006 (Engelska)Ingår i: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 16, nr 6, s. 447-455Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This study investigates whether physical activity and physical performance in adolescence are positively related to adult bone mineral density (BMD). In 1974, physical activity, endurance, and muscular strength were measured in 204 randomly selected female students, age 16.1 +/- 0.3 year (range 15-17 years). Twenty years later, 36 of the women volunteered to undergo a measurement of their BMD. Women who were members in a sports club in adolescence had significantly higher adult BMD (mean differences of 5% to 17% depending on site) compared with subjects who were not engaged in a sports club. Furthermore, women with persistent weight-bearing activity in adulthood had significantly higher BMD compared with women who had stopped being active or had never been active. The differences ranged between 5% and 19% with the highest difference found in trochanter BMD. Stepwise regression analyses showed that membership in a sports club at baseline was a significant independent predictor of BMD in the total body, lumbar spine, legs, trochanter, and femoral neck, explaining 17-26% of the variation in BMD. Change in body weight was a strong independent predictor of BMD of the total body and arms, explaining 8% of the variation in both sites. In addition, running performance at baseline was an independent predictor of total body BMD, whereas the two-hand lift performance significantly predicted BMD of the total body, legs and trochanter. The hanging leg-lift and handgrip were both significant predictors of arm BMD. In conclusion, membership in a sports club and site-specific physical performance in adolescence together with the change in body weight were significantly associated with adult BMD in premenopausal women

Ort, förlag, år, upplaga, sidor
2006. Vol. 16, nr 6, s. 447-455
Nyckelord [en]
Adolescent, Adult, Body Weight, Bone Density, Exercise, Exercise Tolerance, Female, Follow-Up Studies, Hand Strength, Humans, Menarche, Muscle Strength, Physical Endurance, Questionnaires, Regression Analysis, Running, Sports, Sweden, Weight Lifting
Nationell ämneskategori
Arbetsmedicin och miljömedicin
Identifikatorer
URN: urn:nbn:se:hig:diva-2807DOI: 10.1111/j.1600-0838.2005.00500.xISI: 000242610300011PubMedID: 17121648Scopus ID: 2-s2.0-33750816420OAI: oai:DiVA.org:hig-2807DiVA, id: diva2:119469
Tillgänglig från: 2007-11-21 Skapad: 2007-11-21 Senast uppdaterad: 2018-03-13Bibliografiskt granskad

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