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  • 1.
    Nordström, Anna
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine. Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine.
    Bredemo, Claes
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Tervo, Taru
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Bättre sprintförmåga med ny träningsmodell2013In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, Vol. 22, no 4, p. 28-31Article in journal (Other academic)
    Abstract [sv]

    Innebandy är en sport fylld med högintensiva löpningar som ställer krav på både snabbhet och uthållighet. Förmågan att kunna upprepa många sprintlöpningar går att förbättra med särskild träning. Därför finns nu för första gången en träningsmodell anpassad för innebandy.

  • 2.
    Nordström, Anna
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Tervo, Taru
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Högström, Magnus
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    The effect of physical activity on bone accrual, osteoporosis and fracture prevention2011In: Open Bone Journal, ISSN 1876-5254, no 3, p. 11-21Article in journal (Refereed)
    Abstract [en]

    Background: Physical activity has been recommended for the prevention and even treatment of osteoporosis because it potentially can increase bone mass and strength during childhood and adolescence and reduce the risk of falling in older populations. However, few reports have systematically investigated the effect of physical activity on bone in men and women of different ages.

    Purpose: The goal of this study was to review the literature relating to the effect of physical activity on bone mineral density in men and women of various ages.

    Method: This review systematically evaluates the evidence for the effect of physical activity on bone mineral density. Cochrane and Medline databases were searched for relevant articles, and the selected articles were evaluated.

    Results: The review found evidence to support the effectiveness of weight bearing physical activity on bone accrual during childhood and adolescence. The effect of weight bearing physical activity was site-specific. In contrast, the role of physical activity in adulthood is primarily geared toward maintaining bone mineral density. The evidence for a protective effect of physical activity on bone is not as solid as that for younger individuals.

    Conclusions: The effect of weight bearing physical activity is seen in sites that are exposed to loading. There also seems to be a continuous adaptive response in bone to loading. Additional randomized, controlled studies are needed to evaluate the effect of physical activity in the elderly.

  • 3.
    Tervo, Taru
    Umeå University, Faculty of Social Sciences, Umeå Sport Sciences Center. Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Fysisk aktivitet i unga år - skyddande mot beskörhet senare i livet?2010In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, no 2, p. 69-71Article in journal (Other academic)
    Abstract [sv]

    Hindrar vi benskörhet genom att träna regelbundet endast under unga år? Genom åren harman betonat vikten av att träna under barn- och ungdomsåren för att lägga ”ben på bank”. Man har tänkt att detta skulle vara skyddande mot benskörhet på äldre dagar. Detta har baserats på retrospektiva studier eller kortare interventionsstudier. En 12-årig longitudinell studie som undersökt unga män ger ny information på området.

  • 4.
    Tervo, Taru
    Umeå University, Faculty of Medicine, Surgical and Perioperative Sciences, Sports Medicine. Umeå University, Faculty of Medicine, Community Medicine and Rehabilitation, Rehabilitation Medicine. Umeå University, Faculty of Medicine, Community Medicine and Rehabilitation, Geriatric Medicine.
    Physical activity, bone gain and sustainment of peak bone mass2009Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Weak and osteoporotic bones are an increasing cause of mortality and painful physical impairment among the elderly, especially in the Western world. Bone mineral density (BMD, g/cm2) accrual during childhood and adolescence is thought to influence an individual’s risk of osteoporosis and the related fractures.

    A main aim of this thesis is to investigate the effects that various types of weight-bearing physical activity have on bone accretion in young males during their active sports careers and to study the effects that detraining has on BMD. The results suggest that bone is sensitive to loading after puberty in males, and important gains in BMD stemming from physical activity were observed during the 12-year follow-up period (papers I-III). These gains seem to be site-specific and related to the type and amount of physical activity in which individuals participate (papers I-III). For example, badminton, a sport that is characterized by jumps and rapid versatile moments in multiple directions was associated with greater gains in BMD than ice hockey was. In addition, our results indicate that with reduced training, exercise-induced bone benefits decline, predominantly at trabecular sites (paper II). In contrast, high bone density attained from previous physical loading was partially preserved at cortical bone sites after about eight years of reduced activity (papers I-II). In study IV, the associations between self-perceived health, BMD, and other lifestyle factors were studied in a well-defined group of women and men of varying ages. We found that self-perceived health was related to several lifestyle factors, such as physical activity, which were also related to BMD at the femoral neck.

    In summary, BMD in young males seem to be especially sensitive to activities associated with supposed high strains in unusual directions at specific bone sites. A high bone density stemming from previous weight-bearing physical activity is largely lost at trabecular bone sites with reduced physical activity levels. Finally, self-perceived health seems to be associated with several lifestyle factors that are also associated with BMD at the femoral neck.

  • 5.
    Tervo, Taru
    Umeå University, Faculty of Social Sciences, Umeå Sport Sciences Center.
    Sammanställning av befintlig forskning om innebandy2012Report (Other academic)
    Abstract [sv]

    Syftet med denna rapport var att ta reda på den befintliga forskning som finns inom innebandy. En litteratursökning genomfördes i databaser inom områden idrott, hälsa, medicin, pedagogik och psykologi. Sökningen identifierade 76 arbeten och efter granskning inkluderades sammanlagd 25 publicerade artiklar i sammanställning. En artikel hittades i området sportmanagement och en i idrottspsykologi. Resterande artiklar representerade det idrottsmedicinska området, varav 14 var inom området traumatologisk forskning, åtta artiklar inom området idrottsfysiologi samt en i området biomekanik. Det fanns främst studier om skadefrekvens hos licenserade innebandyspelare. Utifrån denna sammanställning kan man dra slutsatsen att den vetenskapliga informationen inom området innebandy är begränsad. Värt att notera är att det föreligger ett stort intresse för att påbörja forskning inom innebandy då majoriteten av de arbeten som exkluderades på grund av att de inte var publicerade i vetenskapliga tidskrifter var studentarbeten. Sammanfattningsvis finns det ett stort framtida behov av att fortsätta med studier gällande skadeprevention, men även att undersöka sporten på tvärvetenskapligt på flera olika områden så som pedagogik, psykologi, sociologi och medicin. Det finns även stort behov av studier riktad för barn och ungdomar.

  • 6.
    Tervo, Taru
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Skelettet behöver rörelse under hela livet för att må bra2010In: Svensk idrottsmedicin, Svensk idrottsmedicinsk förenings tidskrift, ISSN 1103-7652, no 1, p. 26-28Article in journal (Other academic)
  • 7.
    Tervo, Taru
    Umeå University, Faculty of Social Sciences, Umeå Sport Sciences Center.
    Utvecklings- och forskningsstrategier för Svensk Innebandy 2013-20142013Report (Other academic)
  • 8.
    Tervo, Taru
    Umeå University, Faculty of Social Sciences, Umeå Sport Sciences Center.
    Utvecklings- och forskningsstrategier för Svensk Innebandy 2015-20172015Report (Other academic)
  • 9.
    Tervo, Taru
    et al.
    Umeå University, Faculty of Social Sciences, Umeå Sport Sciences Center. Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Nordström, Anna
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences. Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine.
    Science of flooball: a systematic review2014In: Open Access Journal of Sports Medicine, ISSN 1179-1543, E-ISSN 1179-1543, Vol. 2014, no 5, p. 249-255Article in journal (Refereed)
    Abstract [en]

    Background: 

    The purpose of this study was to comprehensively review the scientific research on floorball at the competitive and recreational levels according to field of study.

    Methods: 

    Full articles containing original data on floorball that had been published in English in peer-reviewed journals were considered for inclusion.

    Results: 

    Of 75 articles screened, 19 were included in this systematic review. One article each was identified in the fields of sports management and sports psychology, and the remaining 17 articles were in the field of sports medicine. Injury epidemiology in floorball players was the most thoroughly examined topic of research. To date, no research has been performed on the incidence of floorball-related injury, or any aspect of the sport, in children and adolescents.

    Conclusion: 

    Collaborative research among sports science disciplines is needed to identify strategies to reduce the incidence of injury and enhance the performance of licensed floorball players. Despite the increasing popularity of floorball in recent years, surprisingly little research has examined this sport.

  • 10.
    Tervo, Taru
    et al.
    Umeå University, Faculty of Social Sciences, Umeå Sport Sciences Center.
    Nordström, Anna
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine.
    Vad vet forskningen om innebandy?2013In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, Vol. 4Article in journal (Other (popular science, discussion, etc.))
  • 11.
    Tervo, Taru
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Nordström, Peter
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Neovius, Martin
    Nordström, Anna
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Rehabilitation Medicine. Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Constant adaptation of bone to current physical activity level in men: a 12-year longitudinal study2008In: Journal of Clinical Endocrinology and Metabolism, ISSN 0021-972X, E-ISSN 1945-7197, Vol. 93, no 12, p. 4873-4879Article in journal (Refereed)
    Abstract [en]

    CONTEXT: A high peak bone mineral density (BMD; grams per square centimeter) could reduce the risk of osteoporosis related fractures later in life. OBJECTIVE: This 12-yr longitudinal study investigated whether a high BMD from previous high physical activity is maintained with reduced activity later in life. DESIGN: This was a longitudinal study. PARTICIPANTS: Three groups were investigated with a mean age of 17 yr at baseline; 51 athletes who stopped their active careers during follow-up (former athletes), 16 who were active throughout follow-up (active athletes), and 25 controls. Main Outcome Measures: BMD of the femoral neck, total body, and lumbar spine were examined five times during the 12-yr follow-up period. RESULTS: After adjustment for age, weight, and height, the former athletes were found to have higher BMD at all sites at every follow-up visit except the last one, when compared with controls (P < 0.05). The active athletes were found to have significantly higher BMD at all measured locations when compared with controls throughout the entire study (P < 0.05). From the first to the final follow-up visit, the former athletes were found to have lost more femoral neck BMD than both the active athletes (mean difference, 0.12 g/cm(2); P = 0.003) and controls (mean difference 0.08 g/cm(2); P = 0.02). CONCLUSION: This study suggests that BMD constantly adapts to the present physical activity levels in young men. Thus, increased BMD due to previous high physical activity may not prevent osteoporosis in later years.

  • 12.
    Tervo, Taru
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Nordström, Peter
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Neovius, Martin
    Clinical Epidemiology Unit, Department of Medicine, Karolinska Institute (Solna), Stockholm, Sweden.
    Nordström, Anna
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Rehabilitation Medicine. Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Reduced physical activity corresponds with greater bone loss at the trabecular than the cortical bone sites in men2009In: Bone, ISSN 8756-3282, E-ISSN 1873-2763, Vol. 45, no 6, p. 1073-1078Article in journal (Refereed)
    Abstract [en]

    Previous research has been inconclusive as to whether high peak bone mineral density (BMD, g/cm(2)) resulting from previous physical activity is retained with reduced activity later in life. The aim of this 12-year longitudinal study was to investigate the association between BMD loss and reduced physical activity (h/wk) at trabecular and cortical bone sites in men. Three groups with a mean age of 17 years at baseline were investigated: i) 51 athletes who discontinued their active careers during the follow-up period (former athletes), ii) 16 athletes who were active throughout the follow-up period (active athletes), and iii) 25 controls. BMD loss at the hip, spine, and pelvis (mainly trabecular bone) was compared to BMD loss at femur, humerus, and legs (mainly cortical bone) during a 12-year follow-up period. Across the total follow-up period in the total cohort, reduced physical activity was more strongly associated with changes at trabecular BMD sites, i.e. hip, spine, and pelvis (B=0.008-0.005 g/cm(2) per weekly hour physical activity (h), p<0.001), than at cortical bone sites, i.e. humerus, legs (B=0.002-0.003 g/cm(2)/h, p<0.05), and femur (p>0.05). At the final follow-up, former athletes showed higher BMD than controls only at the cortical bone sites of the humerus, legs, and femur (difference 0.05-0.10 g/cm(2), p<0.05). In conclusion, this study indicates that predominantly trabecular bone is lost with reduced physical activity levels in young men. Benefits were still evident at the more cortical sites eight years after the discontinuation of an active sports career.

  • 13.
    Tervo, Taru
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Nordström, Peter
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Nordström, Anna
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Rehabilitation Medicine. Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Association between self-perceived health, physical activity, and BMD in middle-aged men and women2011In: The Open Bone Journal, ISSN 1876-5254, no 3, p. 6-10Article in journal (Refereed)
    Abstract [en]

    Background: Osteoporosis is a skeletal disease that affects one out of every two women and one out of every five men. The clinical significance of this disease lies in the associated increased risk of fractures that mainly affect the femoral neck, spine, and wrist. One of the strongest risk factors for low-energy fractures is low bone mineral density (BMD, g/cm2). The purpose of this study was to examine the relationship between BMD, self-perceived health, and lifestyle factors in a well-defined cohort of middle-aged men and women.

    Methods: The Västerbotten Intervention Project (VIP) is a study that has been ongoing in Västerbotten since 1985. All people in Västerbotten who are 40, 50 and 60 years of age are offered a comprehensive health survey in which a questionnaire is completed and blood pressure and blood lipids are measured. BMD has been measured in the Sports Medicine Unit in Umeå since 1991. As of December 31, 2006, 4,333 women and 2,320 men had been evaluated.  Of these, 1,595 were examined as part of the VIP before their BMD was measured, and these subjects included in the present study.  

    Results: The mean age of the investigated cohort was 57 years (range 30-74). After adjusting for age, weight, sex, and follow-up time, self-perceived health (Beta = 0.08, p<0.001), training[ED1]  (Beta = 0.11, p<0.001), snow shoveling (Beta = 0.07, p=0.001), and smoking more than 15 cigarettes per day (Beta =- 0.05, p=0.04) were found to be related to femoral neck BMD. Only self-perceived health, age, and weight were found to be related to spine BMD. Self-perceived health was found to be related to some of the lifestyle factors that were significantly related to BMD, such as training (r = 0.14, p <0.001) and snow shoveling (Beta = 0.15, p <0.001).

    Conclusion: In this cohort study, several lifestyle factors related to self-perceived health were also found to be related to bone mineral density in a well-defined cohort of middle-aged men and women.

     

  • 14.
    Tervo, Taru
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Nordström, Peter
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Nordström, Anna
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
    Effects of badminton and ice hockey on bone mass in young males: a 12-year follow-up.2010In: Bone, ISSN 8756-3282, E-ISSN 1873-2763, Vol. 47, no 3, p. 666-72Article in journal (Refereed)
    Abstract [en]

    The purpose of the present study was to investigate the influence of different types of weight bearing physical activity on bone mineral density (BMD, g/cm(2)) and evaluate any residual benefits after the active sports career. Beginning at 17 years of age, BMD was measured 5 times, during 12 years, in 19 badminton players, 48 ice hockey players, and 25 controls. During the active career, badminton players gained significantly more BMD compared to ice hockey players at all sites: in their femoral neck (mean difference (Delta) 0.06 g/cm(2), p=0.04), humerus (Delta 0.06 g/cm(2), p=0.01), lumbar spine (Delta 0.08 g/cm(2), p=0.01), and their legs (Delta 0.05 g/cm(2), p=0.003), after adjusting for age at baseline, changes in weight, height, and active years. BMD gains in badminton players were higher also compared to in controls at all sites (Delta 0.06-0.17 g/cm(2), p<0.01 for all). Eleven badminton players and 37 ice hockey players stopped their active career a mean of 6 years before the final follow-up. Both these groups lost significantly more BMD at the femoral neck and lumbar spine compared to the control group (Delta 0.05-0.12 g/cm(2), p<0.05 for all). At the final follow-up, badminton players had significantly higher BMD of the femoral neck, humerus, lumbar spine, and legs (Delta 0.08-0.20 g/cm(2), p<0.01 for all) than both ice hockey players and controls. In summary, the present study may suggest that badminton is a more osteogenic sport compared to ice hockey. The BMD benefits from previous training were partially sustained with reduced activity.

  • 15.
    Tervo, Taru
    et al.
    Umeå University, Faculty of Medicine, Surgical and Perioperative Sciences, Sports Medicine. Umeå University, Faculty of Medicine, Surgical and Perioperative Sciences, Sports Medicine.
    Nordström, Peter
    Umeå University, Faculty of Medicine, Community Medicine and Rehabilitation, Geriatric Medicine.
    Nordström, Anna
    Umeå University, Faculty of Medicine, Community Medicine and Rehabilitation, Rehabilitation Medicine.
    Effetcs of badminton and ice hockey on bone mass in young males: a 12-year follow-upManuscript (preprint) (Other academic)
    Abstract [en]

    The purpose of the present study was to investigate the influence of different types of weight bearing physical activity on bone gain during an active sports career and to identify any residual benefits in BMD after the active sports career. Beginning at 17 years of age, BMD was measured 5 times, during 12 years, at multiple sites in 19badminton players, 48 ice hockey players and 25 controls. Levels of vitamin D and fatty acids were also evaluated in relation to changes in BMD during the study. During the time the athletes were active, badminton players were found to have gained significantly more BMD in their femoral neck, humerus, and lumbar spine in comparison to control subjects (mean difference = 0.05-0.17 g/cm2, p < 0.05 for all), and significantly more in their legs compared to both ice hockey players and controls (mean difference = 0.03-0.05 g/cm2, p < 0.05). At final follow-up, badminton players had significantly higher BMD of the femoral neck, humerus, lumbar spine and legs (mean difference = 0.08-0.20 g/cm2, p<0.01 for all) than both ice hockey players and controls. Levels of vitamin D and fatty acids were not related to changes in BMD at any bone site (p > 0.05 for all). In summary, the present study suggests that badminton is a more osteogenic sport and therefore related to greater gains in BMD compared to ice hockey. These BMD benefits were partly sustained with reduced activity.

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