Kim Arne Heitmann
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View article: Cross-sectional associations between device-measured physical activity and atrial fibrillation
Cross-sectional associations between device-measured physical activity and atrial fibrillation Open
Background Atrial fibrillation (AF) may lead to thrombosis and increased risk of stroke, myocardial infarction, heart failure, and premature death. AF increases substantially with age, and estimates indicate that one in three individuals ≥…
View article: Impact of long-term endurance sport on the association between atrial fibrillation and mortality. a prospective cohort study
Impact of long-term endurance sport on the association between atrial fibrillation and mortality. a prospective cohort study Open
Introduction Endurance athletes live longer than non-athletes, however, a high prevalence of atrial fibrillation (AF) has been documented in this population, suggesting that vigorous endurance exercise promotes AF. Moreover, AF is associat…
View article: Comparison of resistance training using barbell half squats and trap bar deadlifts on maximal strength, power performance, and lean mass in recreationally active females: an eight-week randomised trial
Comparison of resistance training using barbell half squats and trap bar deadlifts on maximal strength, power performance, and lean mass in recreationally active females: an eight-week randomised trial Open
Background The aim of this study was to investigate the effect of high load resistance training using barbell half squats compared with trap bar deadlifts on maximal strength, power performance, and lean mass in recreationally active femal…
View article: Occupational physical activity and risk of mortality in women and men: the Tromsø Study 1986–2021
Occupational physical activity and risk of mortality in women and men: the Tromsø Study 1986–2021 Open
Objective Associations between occupational physical activity (OPA) and mortality risks are inconclusive. We aimed to examine associations between (1) OPA separately and (2) jointly with leisure time physical activity (LTPA), and risk of a…
View article: Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study
Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study Open
Aims Endurance sport practice is associated with a high prevalence of atrial fibrillation (AF), which increases the risk of stroke in the general population. However, stroke risk in endurance athletes with AF is sparsely investigated. Most…
View article: Longitudinal Associations Between Cumulative Physical Activity and Change in Structure and Function of the Left Side of the Heart: The Tromsø Study 2007–2016
Longitudinal Associations Between Cumulative Physical Activity and Change in Structure and Function of the Left Side of the Heart: The Tromsø Study 2007–2016 Open
Background Current knowledge about the relationship between physical activity (PA) and cardiac remodeling is mainly derived from cross-sectional studies of athletes, and there is a knowledge gap of this association in the general adult and…
View article: Associations between physical activity, left atrial size and incident atrial fibrillation: the Tromsø Study 1994–2016
Associations between physical activity, left atrial size and incident atrial fibrillation: the Tromsø Study 1994–2016 Open
Aims Left atrial (LA) enlargement is an independent risk factor for atrial fibrillation (AF). Interestingly, some athletes have increased risk of AF, which may be linked to LA enlargement; however, little is known about the relationship be…
View article: Associations between maximal strength, sprint, and jump height and match physical performance in high‐level female football players
Associations between maximal strength, sprint, and jump height and match physical performance in high‐level female football players Open
Studies on females’ decisive physical components to physical match-play performance are sparse and only emphasize endurance tests. Thus, the influence of maximal strength and power on physical performance during match-play is currently unk…
View article: Seasonal variations in physical activity among Norwegian elementary school children in Arctic regions
Seasonal variations in physical activity among Norwegian elementary school children in Arctic regions Open
The aim of this study was to measure seasonal variations in physical activity (PA) during Polar Nights (PN) and Polar Days (PD) among elementary school children in the Arctic regions of Norway. One hundred and seventy-eight schoolchildren …
View article: Ski Skating Race Technique—Effect of Long Distance Cross-Country Ski Racing on Choice of Skating Technique in Moderate Uphill Terrain
Ski Skating Race Technique—Effect of Long Distance Cross-Country Ski Racing on Choice of Skating Technique in Moderate Uphill Terrain Open
The aim of this study was to investigate the effect of prolonged ski racing using skating style on technique choice in a transition section among female and male high-level skiers. Fifty three national-to-elite level skiers (20 females: 26…
View article: Improved maximal strength is not associated with improvements in sprint time or jump height in high-level female football players: a cluster-randomized controlled trial
Improved maximal strength is not associated with improvements in sprint time or jump height in high-level female football players: a cluster-randomized controlled trial Open
Background Maximal strength increments are reported to result in improvements in sprint speed and jump height in elite male football players. Although similar effects are expected in females, this is yet to be elucidated. The aim of this s…
View article: Intra‐arterial blood pressure traits during and after heavy resistance exercise in healthy males
Intra‐arterial blood pressure traits during and after heavy resistance exercise in healthy males Open
This randomized within‐subjects crossover‐designed study evaluated intra‐arterial blood pressure (BP) traits in seven healthy males (24 ± 1 years) during heavy resistance exercise (HRE) to failure (10 × 5 repetitions, 5RES) and not to fail…
View article: Physiological Comparisons of Elite Male Visma Ski Classics and National Level Cross-Country Skiers During Uphill Treadmill Roller Skiing
Physiological Comparisons of Elite Male Visma Ski Classics and National Level Cross-Country Skiers During Uphill Treadmill Roller Skiing Open
Longer distance cross-country ski (14-220 km) races such as the Visma Ski Classics (VSC) has recently gained attention in addition to the traditional Olympic distances (5-50 km) associated with cross-country (XC) skiing. These long-distanc…