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List of works by Niels Wedderkopp

A Cross-Sectional Study of the Prevalence and Factors Associated With Tinnitus and/or Hyperacusis in Children

scientific article published on 01 March 2020

Absence of low back pain in the general population followed fortnightly over one year with automated text messages

scientific article published on 09 January 2014

Active travel to school and cardiovascular fitness in Danish children and adolescents

scientific article published in October 2006

Aerobic fitness testing in 6- to 9-year-old children: reliability and validity of a modified Yo-Yo IR1 test and the Andersen test

scientific article

Altered knee joint neuromuscular control during landing from a jump in 10-15 year old children with Generalised Joint Hypermobility. A substudy of the CHAMPS-study Denmark

scientific article published on 6 March 2015

Analyzing repeated data collected by mobile phones and frequent text messages. An example of low back pain measured weekly for 18 weeks

scientific article

Association Between Back Pain and Physical Fitness in Adolescents

scientific article published on 01 July 2006

Association of socioeconomic position with insulin resistance among children from Denmark, Estonia, and Portugal: cross sectional study

scientific article

Associations Between Aerobic Fitness and Cognitive Control in Adolescents

Associations between waist circumference, metabolic risk and executive function in adolescents: A cross-sectional mediation analysis.

scientific article

Back injuries in a cohort of schoolchildren aged 6-12: A 2.5-year prospective study

scientific article

Back pain in children surveyed with weekly text messages - a 2.5 year prospective school cohort study

scientific article

Back pain in children: no association with objectively measured level of physical activity

scientific article

Back pain reporting in children and adolescents: The impact of parents' educational level

scientific article published on 01 May 2002

Back pain reporting in young girls appears to be puberty-related

scientific article

Back pain reporting pattern in a Danish population-based sample of children and adolescents

scientific article published on September 2001

Between-school variation in physical activity, aerobic fitness, and organized sports participation: a multi-level analysis

scientific article published on 20 September 2012

Biological cardiovascular risk factors cluster in Danish children and adolescents: the European Youth Heart Study

scientific article published in October 2003

Bone Mass Development in Childhood and Its Association with Physical Activity and Vitamin D Levels. The CHAMPS-Study DK

scholarly article by Maria Sode Rønne et al published 3 September 2018 in Calcified Tissue International

Bone Mass Development in Childhood and Its Association with Physical Activity and Vitamin D Levels. The CHAMPS-Study DK

scientific article published in 2019

Bone mass development is sensitive to insulin resistance in adolescent boys

scholarly article by Maria Sode Rønne et al published May 2019 in Bone

Cardiovascular disease risk factors and blood pressure response during exercise in healthy children and adolescents: the European Youth Heart Study.

scientific article published on 15 July 2010

Changes in children's television and computer time according to parental education, parental income and ethnicity: A 6-year longitudinal EYHS study

scientific article published in PLoS ONE

Childhood motor performance is increased by participation in organized sport: the CHAMPS Study-DK

scientific article published on 12 December 2019

Chiropractic conservatism and the ability to determine contra-indications, non-indications, and indications to chiropractic care: a cross-sectional survey of chiropractic students

scientific article published on 19 February 2019

Choroidal thickness and myopia in relation to physical activity - the CHAMPS Eye Study

scientific article published on 16 January 2018

Comparison between data obtained through real-time data capture by SMS and a retrospective telephone interview

scientific article

Comparison of equations for predicting energy expenditure from accelerometer counts in children

scientific article published on 14 January 2008

Comparison of two intervention programmes in young female players in European handball--with and without ankle disc

scientific article published on 01 December 2003

Conservative care with or without manipulative therapy in the management of back and neck pain in Danish children aged 9-15. Study protocol for a randomized controlled trial.

scientific article

Conservative care with or without manipulative therapy in the management of back and/or neck pain in Danish children aged 9-15: a randomised controlled trial nested in a school-based cohort

scientific article published on 10 September 2018

Correction to: Physical activity intensity, bout-duration, and cardiometabolic risk markers in children and adolescents ⬇️

scientific article published on 01 November 2019

Cross-Sectional Associations of Reallocating Time Between Sedentary and Active Behaviours on Cardiometabolic Risk Factors in Young People: An International Children's Accelerometry Database (ICAD) Analysis

Cycling to school and cardiovascular risk factors: a longitudinal study

scientific article published in November 2011

Do extra compulsory physical education lessons mean more physically active children--findings from the childhood health, activity, and motor performance school study Denmark (The CHAMPS-study DK).

scientific article

Do number of days with low back pain and patterns of episodes of pain have similar outcomes in a biopsychosocial prediction model?

scientific article published on 28 March 2016

Does lower extremity pain precede spinal pain? A longitudinal study

scientific article published on 19 September 2018

Effect of Psychomotricity in Combination With 3 Months of Active Shoulder Exercises in Individuals With Chronic Shoulder Pain: Primary Results From an Investigator-Blinded, Randomized, Controlled Trial

scientific article published on 24 June 2019

Effect of four additional physical education lessons on body composition in children aged 8-13 years--a prospective study during two school years

scientific article

Effectiveness of interventions for treating apophysitis in children and adolescents: protocol for a systematic review and network meta-analysis

Effects of a lighter, smaller football on acute match injuries in adolescent female football: a pilot cluster-randomized controlled trial.

scientific article published in May 2018

Effects of extra school-based physical education on overall physical fitness development--the CHAMPS study DK.

scientific article published on 22 July 2014

Epidemiology of bacterial hand infections

scientific article published on 17 February 2006

Evidence-based classification of low back pain in the general population: one-year data collected with SMS Track

scientific article

Exploring the Relationship between Adiposity and Fitness in Young Children

scientific article

Features of the metabolic syndrome are associated with objectively measured physical activity and fitness in Danish children: the European Youth Heart Study (EYHS).

scientific article

Field assessment of balance in 10 to 14 year old children, reproducibility and validity of the Nintendo Wii board.

scientific article

GB virus C epidemiology in Denmark: different routes of transmission in children and low- and high-risk adults

scientific article published in May 2003

Gender difference in genetic association between IL1A variant and early lumbar disc degeneration: a three-year follow-up

scientific article

Genetic risk factors of disc degeneration among 12-14-year-old Danish children: a population study.

scientific article

Handball load and shoulder injury rate: a 31-week cohort study of 679 elite youth handball players

scientific article published on 19 January 2017

Hemodynamic variables during exercise in childhood and resting systolic blood pressure levels 6 years later in adolescence: the European Youth Heart Study.

scientific article

High injury incidence in adolescent female soccer.

scientific article published on 2 July 2014

High patient satisfaction in 445 patients who underwent fast-track hip or knee replacement

scientific article published on 24 June 2015

High-level physical activity in childhood seems to protect against low back pain in early adolescence

scientific article published on 20 May 2008

Higher circulating plasma polychlorinated biphenyls (PCBs) in fit and lean children: The European youth heart study

scientific article published on 18 January 2020

How big is the effect of spinal manipulation on the pressure pain threshold and for how long does it last? - secondary analysis of data from a systematic review

scientific article published on 24 April 2019

Infant feeding and components of the metabolic syndrome: findings from the European Youth Heart Study

scientific article

Influence of a 2- to 6-year physical education intervention on scholastic performance: The CHAMPS study-DK.

scientific article published on 27 April 2017

Influence of parental overweight on the association of birth weight and fat distribution later in childhood

scientific article published on 27 October 2012

Injured elderly victims of bag-snatching treated at Odense University Hospital 1996-2000

scientific article published in May 2002

Injuries in children with extra physical education in primary schools

scientific article

Injuries in young female players in European team handball.

scientific article

Injury risk in Danish youth and senior elite handball using a new SMS text messages approach

scientific article published on 3 May 2012

Insulin sensitivity is reduced in children with high body-fat regardless of BMI.

scientific article published on 23 February 2018

Intake of liquid and solid sucrose in relation to changes in body fatness over 6 years among 8- to 10-year-old children: the European Youth Heart Study

scientific article published on 23 July 2012

Intake of total dietary sugar and fibre is associated with insulin resistance among Danish 8-10- and 14-16-year-old girls but not boys. European Youth Heart Studies I and II.

scientific article published on 18 March 2010

Inter-tester reproducibility and inter-method agreement of two variations of the Beighton test for determining Generalised Joint Hypermobility in primary school children

scientific article

Is active participation in specific sport activities linked with back pain?

scientific article published on 05 March 2007

Is puberty a risk factor for back pain in the young? a systematic critical literature review

scientific article

Is the development of Modic changes associated with clinical symptoms? A 14-month cohort study with MRI.

scientific article

Leisure-time sport and overuse injuries of extremities in children age 6-13, a 2.5 years prospective cohort study: the CHAMPS-study DK.

scientific article published on 13 January 2017

Long-term follow-up on biological risk factors, adiposity, and cardiorespiratory fitness development in a physical education intervention: a natural experiment (CHAMPS-study DK).

scientific article published on 9 May 2018

Longitudinal associations of cycling to school with adolescent fitness

scientific article published on 18 June 2008

Longitudinal influence of musculo-skeletal injuries and extra physical education on physical fitness in schoolchildren.

scientific article published on December 2015

Motor Performance as Predictor of Physical Activity in Children: The CHAMPS Study-DK.

scientific article published on 23 December 2014

Motor Performance as Risk Factor for Lower Extremity Injuries in Children

scientific article published on 13 January 2016

Motor performance and back pain in children and adolescents: a systematic review and meta-analysis protocol

scientific article published on 14 September 2020

Muscle Fitness Changes During Childhood Associates With Improvements in Cardiometabolic Risk Factors: A Prospective Study

scientific article published on 11 January 2019

Musculoskeletal extremity injuries in a cohort of schoolchildren aged 6-12: a 2.5-year prospective study.

scientific article published on 29 January 2014

Musculoskeletal extremity pain in Danish school children - how often and for how long? The CHAMPS study-DK.

scientific article published on 25 November 2017

No Evidence for Presence of Bacteria in Modic Type I Changes

journal article; published in Acta Radiologica in 2009

Obesity among children--with particular reference to Danish circumstances

scientific article published in May 2001

Objectively measured habitual physical activity in 1997/1998 vs 2003/2004 in Danish children: the European Youth Heart Study

scientific article published on 17 February 2008

Objectively measured physical activity correlates with indices of insulin resistance in Danish children

scholarly article by Soren Brage et al published 24 August 2004 in International Journal of Obesity

Occurrence and co-existence of localized musculoskeletal symptoms and findings in work-attending orchestra musicians - an exploratory cross-sectional study

scientific article

Organized Sport Participation Is Associated with Higher Levels of Overall Health-Related Physical Activity in Children (CHAMPS Study-DK).

scientific article published on 11 August 2015

Overuse and traumatic extremity injuries in schoolchildren surveyed with weekly text messages over 2.5 years.

scientific article published on 26 June 2013

Patients undergoing surgery for lumbar spinal stenosis experience unique courses of pain and disability: A group-based trajectory analysis

scientific article published on 07 November 2019

Persistence of pain in patients with chronic low back pain reported via weekly automated text messages over one year

scientific article published on 15 October 2015

Physical activity and myopia in Danish children-The CHAMPS Eye Study

scientific article

Physical activity assessed by activity monitor and doubly labeled water in children

scientific article published in February 2001

Physical activity intensity, bout-duration, and cardiometabolic risk markers in children and adolescents

scientific article published on 13 July 2018

Physical activity is prospectively associated with spinal pain in children (CHAMPS Study-DK).

scientific article

Physical activity levels and patterns of 9- and 15-yr-old European children

scientific article published in January 2004

Physical activity levels of children who walk, cycle, or are driven to school

scientific article published in October 2005

Physical education and leisure-time sport reduce overweight and obesity: a number needed to treat analysis

scientific article published on 08 January 2019

Platelet-rich plasma (PRP) treatment of noninsertional Achilles tendinopathy in a two case series: no significant difference in effect between leukocyte-rich and leukocyte-poor PRP

scientific article published on 08 April 2019

Potential treatment effect modifiers for manipulative therapy for children complaining of spinal pain.Secondary analyses of a randomised controlled trial

scientific article published on 10 December 2019

Prevalence and consequences of musculoskeletal symptoms in symphony orchestra musicians vary by gender: a cross-sectional study

scientific article

Prevalence and tracking of back pain from childhood to adolescence

scientific article

Prevalence of tinnitus and hyperacusis in children and adolescents: a systematic review

scientific article

Prevalence of tinnitus and/or hyperacusis in children and adolescents: study protocol for a systematic review

scientific article

Preventing back pain

scientific article published on 31 January 2008

Prevention of injuries in young female players in European team handball. A prospective intervention study

scientific article published on 01 February 1999

Prospective association of adiposity and cardiorespiratory fitness with cardiovascular risk factors in healthy children.

scientific article published on 8 January 2014

Psychometric Validation of the Danish Version of the Oswestry Disability Index in Patients with Chronic Low Back Pain

scientific article published on 19 March 2020

Pubertal development and growth are prospectively associated with spinal pain in young people (CHAMPS study-DK)

scientific article published on 15 July 2019

Rationale and design of a randomized controlled trial examining the effect of classroom-based physical activity on math achievement

scientific article

Reexamination of validity and reliability of the CSA monitor in walking and running

scientific article

Reliability of diagnostic ultrasound in measuring the multifidus muscle

scientific article

Rest versus exercise as treatment for patients with low back pain and Modic changes. A randomized controlled clinical trial

scientific article

Retinal vascular diameters in relation to physical activity in Danish children - The CHAMPS Eye Study

scientific article published on 27 April 2018

Risk Factors for Knee Injuries in Children 8 to 15 Years: The CHAMPS Study DK.

scientific article published on 10 November 2015

Screen time viewing behaviors and isometric trunk muscle strength in youth.

scientific article

Seasonal variation in musculoskeletal extremity injuries in school children aged 6-12 followed prospectively over 2.5 years: a cohort study

scientific article published on 08 January 2014

Secular trends in cardiorespiratory fitness and body mass index in Danish children: The European Youth Heart Study

scientific article published on 10 August 2006

Secular trends in physical fitness and obesity in Danish 9-year-old girls and boys: Odense School Child Study and Danish substudy of the European Youth Heart Study

scientific article published on June 2004

Self-reported previous knee injury and low knee function increase knee injury risk in adolescent female football.

scientific article

Single leg mini squat: an inter-tester reproducibility study of children in the age of 9-10 and 12-14 years presented by various methods of kappa calculation.

scientific article

Six physical education lessons a week can reduce cardiovascular risk in school children aged 6-13 years: a longitudinal study.

scientific article

Six-year change in youth physical activity and effect on fasting insulin and HOMA-IR.

scientific article published on 9 October 2008

Sociocultural correlates of physical activity in children and adolescents: findings from the Danish arm of the European Youth Heart study.

scientific article

Sources of variation in habitual physical activity of children and adolescents: the European youth heart study

scientific article published on 6 June 2007

Spinal pain in Danish school children - how often and how long? The CHAMPS Study-DK.

scientific article

Spinal pain in adolescents: prevalence, incidence, and course: a school-based two-year prospective cohort study in 1,300 Danes aged 11-13

scientific article

Spinal pain is prospectively associated with cardiovascular risk factors in girls but not boys (CHAMPS study-DK)

scientific article published on 19 June 2019

Statement on Methods in Sport Injury Research From the First METHODS MATTER Meeting, Copenhagen, 2019

scientific article published on 01 May 2020

Study protocol. The Childhood Health, Activity, and Motor Performance School Study Denmark (The CHAMPS-study DK).

scientific article

Substituting prolonged sedentary time and cardiovascular risk in children and youth: a meta-analysis within the International Children's Accelerometry database (ICAD)

scientific article published on 31 October 2019

Substituting sugar-sweetened beverages with water or milk is inversely associated with body fatness development from childhood to adolescence.

scientific article

Sugar-sweetened beverages consumption in relation to changes in body fatness over 6 and 12 years among 9-year-old children: the European Youth Heart Study

scientific article published on 27 November 2013

The Nordic Subpopulation Research Programme: prediction of treatment outcome in patients with low back pain treated by chiropractors--does the psychological profile matter?

scientific article

The Nordic back pain subpopulation program: predicting outcome among chiropractic patients in Finland

scientific article published on 7 November 2008

The Prospective Association of Organized Sports Participation With Cardiovascular Disease Risk in Children (the CHAMPS Study-DK).

scientific article published on 15 November 2016

The Reproducibility of Quantitative Measurements in Lumbar Magnetic Resonance Imaging of Children From the General Population

scientific article published on 01 September 2008

The SMS, Phone and medical Examination sports injury surveillance (SPEx) system is a feasible and valid approach to measuring handball exposure, injury occurrence and consequences in elite youth sport.

scientific article

The association between aerobic fitness and physical activity in children and adolescents: the European youth heart study

scientific article published on 11 May 2010

The extent and risk of knee injuries in children aged 9-14 with Generalised Joint Hypermobility and knee joint hypermobility - the CHAMPS-study Denmark.

scientific article published on 12 June 2015

The impact on children's bone health of a school-based physical education program and participation in leisure time sports: the Childhood Health, Activity and Motor Performance School (the CHAMPS) study, Denmark

scientific article

The influence of anthropometry and body composition on children's bone health: the childhood health, activity and motor performance school (the CHAMPS) study, Denmark

scientific article published on 25 December 2014

The intensity of physical activity influences bone mineral accrual in childhood: the childhood health, activity and motor performance school (the CHAMPS) study, Denmark

scientific article

The inter- and intrarater reliability and agreement for field-based assessment of scapular control, shoulder range of motion, and shoulder isometric strength in elite adolescent athletes

scientific article published on 09 April 2018

The natural course of low back pain from childhood to young adulthood - a systematic review

article

The use of Yo-Yo intermittent recovery level 1 and Andersen testing for fitness and maximal heart rate assessments of 6- to 10-year-old school children.

scientific article published in June 2013

Three times as much physical education reduced the risk of children being overweight or obese after 5 years

scientific article published on 16 October 2019

Total body fat percentage and body mass index and the association with lower extremity injuries in children: a 2.5-year longitudinal study.

scientific article published on 22 November 2013

Total volume versus bouts: prospective relationship of physical activity and sedentary time with cardiometabolic risk in children.

scientific article published in May 2018

Tracking and prevalence of cardiovascular disease risk factors across socio-economic classes: a longitudinal substudy of the European Youth Heart Study

scientific article

Tracking of bone mass from childhood to puberty: a 7-year follow-up. The CHAMPS study DK

scientific article published on 12 June 2018

Tracking of objectively measured physical activity from childhood to adolescence: the European youth heart study

scientific article published on 6 June 2007

Unit-specific calibration of Actigraph accelerometers in a mechanical setup - is it worth the effort? The effect on random output variation caused by technical inter-instrument variability in the laboratory and in the field

scientific article

Upper extremity injuries in Danish children aged 6-12, mechanisms, and risk factors

scientific article

Using text messaging to obtain weekly data on infant feeding in a Danish birth cohort resulted in high participation rates.

scientific article

Using the RE-AIM framework to evaluate a school-based municipal programme tripling time spent on PE

scientific article published on 01 June 2018

Validity of the SMS, Phone, and medical staff Examination sports injury surveillance system for time-loss and medical attention injuries in sports

scientific article published on 7 March 2017

Weather and children's physical activity; how and why do relationships vary between countries?

scientific article

What is the effect of spinal manipulation on the pressure pain threshold in young, asymptomatic subjects? A randomized placebo-controlled trial, with a cross-over design

scientific article published on 07 February 2020

Youth screen-time behaviour is associated with cardiovascular risk in young adulthood: the European Youth Heart Study

scientific article published on 05 July 2012

[A closed emergency unit. Consequences for referral patterns and economics]

scientific article published on 01 August 1994

[Athletic injuries--mechanisms, prevention and treatment]

scientific article published on 01 March 2010

[Back pain, radiology and end plate changes by means of Modic]

scientific article published on 01 April 2006

[Cemented hip alloplasty. 11-13-year follow-up study of the Richards' series 2 hip prostheses]

scientific article published on 01 September 1994

[Insoles for prevention and treatment of back pain. A survey of a Cochrane review]

scientific article published on 01 December 2008

[Marginal costs of total hip replacement--experiences from a county hospital department]

scientific article published on 01 January 1995

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