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Achievement involvement and stress coping in elite wrestling
(Peer reviewed; Journal article, 2007-06-07)The present study explored the relationship between task involvement and coping with stress in elite competition. Participants were 82 elite wrestlers, both male (n=60) and female (n=22), from four different European ... -
Test-retest and intra-observer repeatability of two-, three- and four-dimensional perineal ultrasound of pelvic floor muscle anatomy and function.
(Peer reviewed; Journal article, 2007-06-29)The aims of the present study were to evaluate test–retest intra-observer repeatability of ultrasound measurement of the morphology and function of the pelvic floor muscles (PFMs). Seventeen subjects were tested twice. ... -
Increased versican content is associated with tendinosis pathology in the patellar tendon of athletes with jumper's knee
(Peer reviewed; Journal article, 2007-12-07)Expansion of the extracellular matrix is a prominent but poorly characterized feature of tendinosis. The present study aimed to characterize the extent and distribution of the large aggregating proteoglycan versican in ... -
Objectively Measured Time Spent Sedentary Is Associated With Insulin Resistance Independent of Overall and Central Body Fat in 9- to 10-Year-Old Portuguese Children
(Peer reviewed; Journal article, 2007-12-10)OBJECTIVE—We examined the independent relationships between objectively measured physical activity and insulin resistance in Portuguese children. RESEARCH DESIGN AND METHODS—This is a school-based, cross-sectional study ... -
Perceived barriers to physical activity across Norwegian adult age groups, gender and stages of change
(Peer reviewed; Journal article, 2007-12-11)This study investigated differences in the type of and number of perceived barriers to engagement in physical activity experienced by adult women and men in the same geographical area, the relationship between the experienced ... -
Two short questionnaires on leisure-time physical activity compared with serum lipids, anthropometric measurements and aerobic power in a suburban population from Oslo, Norway
(Peer reviewed; Journal article, 2007-12-19)The aim was to indirectly validate two short postal questionnaires measuring leisure-time physical activity (LPA) by comparing the answers with serum lipids and anthropometric measurements. Methods All inhabitants aged ... -
Performance-based functional outcome for children 12 years or younger following anterior cruciate ligament injury : a two to nine-year follow-up study.
(Peer reviewed; Journal article, 2007-12-22)There is limited scientific knowledge on ACL injuries in children 12 years or younger. Substantial controversy exists on treatment algorithms and there are no published data on performance based functional outcome. ... -
Physical education in Scandinavia with a focus on Sweden : a comparative perspective
(Peer reviewed; Journal article, 2008)PURPOSE: The purpose of this paper is to investigate meanings attached to physical education in the Scandinavian countries through (1) the different national syllabi; and (2) interpretations and conclusions researchers ... -
'No systematic doping in football': A critical review
(Peer reviewed; Journal article, 2008-01-01)This essay examines the degree to which football administrators are correct to believe that there is relatively little use of performance-enhancing drugs in elite football. In contrast to FIFA's reliance on the results of ... -
Comparison of equations for predicting energy expenditure from accelerometer counts in children
(Peer reviewed; Journal article, 2008-01-14)Several prediction equations developed to convert body movement measured by accelerometry into energy expenditure have been published. The aim of this study was to examine the degree of agreement between three different ... -
Validation of ActiReg (R) to measure physical activity and energy expenditure against doubly labelled water in obese persons
(Peer reviewed; Journal article, 2008-01-15)ActiReg® is an instrument that uses combined recordings of body position and motion to calculate energy expenditure (EE) and physical activity (PA). The aim of the study was to compare mean total energy expenditure (TEE) ... -
Drag characteristics of competitive swimming children and adults
(Peer reviewed; Journal article, 2008-02)The aims of this study were to compare drag in swimming children and adults, quantify technique using the technique drag index (TDI), and use the Froude number (Fr) to study whether children or adults reach hull speed at ... -
A proposed framework for developing a plan for research in lifesaving and water safety
(Peer reviewed; Journal article, 2008-02)In the centers for aquatic research, the infrastructure, methodology, and expertise already exist. What remains is to integrate the needs and interests of lifesaving research into these programs. Especially in physiology ... -
Daily physical activity related to aerobic fitness and body fat in an urban sample of children
(Peer reviewed; Journal article, 2008-02-03)This study evaluates associations between objectively measured daily physical activity vs aerobic fitness and body fat in children aged 8–11 years. A cross-sectional study of 225 children aged 7.9–11.1 years was performed. ... -
Health-related aspects of objectively measured daily physical activity in children
(Peer reviewed; Journal article, 2008-02-03)It is well established that physical inactivity in adults is associated with increased mortality and morbidity. Whether daily physical activity level is related to risk factors for cardiovascular disease (CVD) in children ... -
Between- and within-day variability in physical activity and inactivity in 9-and 15-year-old European children
(Peer reviewed; Journal article, 2008-02-03)To examine differences in levels of physical activity (PA), time spent at moderate-to-vigorous intensity PA (MVPA) and time spent sedentary between and within days in children from four European countries, 1954 9 - and ... -
Objectively measured habitual physical activity in 1997/1998 vs 2003/2004 in Danish children: The European Youth Heart Study
(Peer reviewed; Journal article, 2008-02-17)Based on two cross-sectional studies conducted in 8–10-year-old third-grade children living in the municipality of Odense, potential differences were examined in the level of habitual physical activity (HPA) in Danish ... -
Increased mast cell numbers in human patellar tendinosis: correlation with symptom duration and vascular hyperplasia
(Peer reviewed; Journal article, 2008-02-28)Objectives: The cellular basis of painful tendon overuse pathology (tendinosis) is poorly understood. It has been suggested that because of the close anatomical associations between mast cells and vessels in connective ... -
Modifiable determinants of fetal macrosomia: role of lifestyle-related factors
(Peer reviewed; Journal article, 2008-03-06)Background: Newborn macrosomia is associated with both short- and long-term health risks for the infant, and increases the prevalence of birth complications. Parity, maternal age and gender of the child are known variables ... -
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
(Peer reviewed; Journal article, 2008-04-11)Conclusion: The application of unit-specific calibration factors to data collected during free living conditions had no apparent effect on inter-instrument variability. In all probability, the effect of technical calibration ...