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    • The relative age effect in German 11- to 18-year-old male and female swimmers 

      Staub, Ilka; Stallman, Robert Keig; Vogt, Tobias (Peer reviewed; Journal article, 2020)
      Relatively older athletes have a greater probability of being selected and subsequently exposed to a higher level of coaching, training and other talent-promoting factors. Grouping by chronological age is, therefore, ...

    • The relative age effect on competition performance of Spanish international handball players: A longitudinal study 

      de la Rubia, Alfonso; Lorenzo, Alberto; Kelly, Adam Leigh; García-Aliaga, Abraham; Lorenzo-Calvo, Jorge; Bjørndal, Christian Thue (Peer reviewed; Journal article, 2021)
      Background: Competitive success is the ultimate objective of elite professional sport organisations. Relative age effects (RAE) impact athlete selection processes in the short and long-term performance. The aims of this ...

    • Relative Body Weight and Standardised Brightness-Mode Ultrasound Measurement of Subcutaneous Fat in Athletes: An International Multicentre Reliability Study, Under the Auspices of the IOC Medical Commission 

      Müller, Wolfram; Fürhapter-Rieger, Alfred; Ahammer, Helmut; Lohman, Timothy G.; Meyer, Nanna L.; Sardinha, Luís B.; Stewart, Arthur D.; Maughan, Ronald J.; Sundgot-Borgen, Jorunn; Müller, Tom; Harris, Margaret; Kirihennedige, Nuwanee; Magalhães, João P.; Melo, Xavier; Pirstinger, Wolfram; Reguant-Closa, Alba; Risoul-Salas, Vanessa; Ackland, Timothy R. (Peer reviewed; Journal article, 2019)
      Introduction: Fat is a metabolic fuel, but excess body fat is ballast mass, and therefore, many elite athletes reduce body fat to dangerously low levels. Uncompressed subcutaneous adipose tissue (SAT) thickness measured ...

    • Reliability of a semi-tethered front crawl sprint performance test in adolescent swimmers 

      Szczepan, Stefan; Wróblewska, Zofia; Klich, Sebastian; Michalik, Kamil; Gonjo, Tomohiro; Olstad, Bjørn Harald; Rejman, Marek (Peer reviewed; Journal article, 2023)
      This study aimed to evaluate the test-retest reliability of a sprint performance test with semi-tethered front crawl swimming to indirectly assess the current potential to perform at maximal anaerobic effort in adolescent ...

    • Reliability of load-velocity profiling in front crawl swimming 

      Olstad, Bjørn Harald; Gonjo, Tomohiro; Njøs, Nikolai; Abächerli, Kathrin; Eriksrud, Ola (Peer reviewed; Journal article, 2020)
      The purposes of this study were to establish test-retest reliability of calculating load-velocity profiles in front crawl swimming using five and three different external loads, and if outcome results were comparable between ...

    • Reliability of maximum oxygen uptake in cardiopulmonary exercise testing with continuous laryngoscopy 

      Engan, Mette; Jansrud, Ida; Bekken, Marianne; Halvorsen, Thomas; Fretheim-Kelly, Zoe Louise; Vollsæter, Maria; Bovim, Lars Peder Vatshelle; Røksund, Ola Drange; Clemm, Hege Havstad (Peer reviewed; Journal article, 2021)
      Aims: A cardiopulmonary exercise test (CPET) is the gold standard to evaluate symptom-limiting exercise intolerance, while continuous laryngoscopy performed during exercise (CLE) is required to diagnose exercise-induced ...

    • Reliability of phase-specific outcome measurements in change-of-direction tests using a motorized resistance device 

      Westheim, Frederic; Gløersen, Øyvind; Harper, Damian; Laugsand, Håkon Nilsen; Eriksrud, Ola (Peer reviewed; Journal article, 2023)
      This study aims to determine test-retest reliability of phase-specific information during initial acceleration, deceleration, and re-acceleration phases of different change-of-direction (CoD) tests using a motorized ...

    • Reliability of the active drag assessment using an isotonic resisted sprint protocol in human swimming 

      Gonjo, Tomohiro; Olstad, Bjørn Harald (Peer reviewed; Journal article, 2022)
      The purpose of the presents study was to investigate the reliability of the active drag (Da) assessment using the velocity perturbation method (VPM) with different external resisted forces. Eight male and eight female ...

    • Reliability of translaryngeal airway resistance measurements during maximal exercise 

      Fretheim-Kelly, Zoe; Engan, Mette; Clemm, Hege Synnøve Havstad; Andersen, Tiina Maarit; Heimdal, John-Helge; Strand, Eric; Halvorsen, Thomas; Røksund, Ola Drange; Vollsæter, Maria (Peer reviewed; Journal article, 2022)
      Objective: Exercise-induced laryngeal obstruction is an important cause of exertional dyspnoea. The diagnosis rests on visual judgement of relative changes of the laryngeal inlet during continuous laryngoscopy exercise ...

    • Reliability, validity and responsiveness of pelvic floor muscle surface electromyography and manometry 

      Brækken, Ingeborg Hoff; Stuge, Britt; Tveter, Anne Therese; Bø, Kari (Peer reviewed; Journal article, 2021)
      Introduction and hypothesis: Vaginal surface electromyography (sEMG) is commonly used to assess pelvic floor muscle (PFM) function and dysfunction but there is a lack of studies regarding the assessment properties. The aim ...

    • Remote assessment in sport and exercise medicine (SEM): A narrative review and teleSEM solutions for and beyond the COVID-19 pandemic 

      Dijkstra, H. Paul; Ergen, Emin; Holtzhausen, Louis; Beasley, Ian; Alonso, Juan-Manuel; Geertsema, Liesel; Geertsema, Celeste; Nelis, Sofie; Ngai, Aston Seng Huey; Stankovic, Ivan; Targett, Stephen; Andersen, Thor Einar (Peer reviewed; Journal article, 2020)
      Background The COVID-19 pandemic forces sport and exercise medicine (SEM) physicians to think differently about the clinical care of patients. Many rapidly implement eHealth and telemedicine solutions specific to SEM ...

    • REPIMPACT: A prospective longitudinal multisite study on the effects of repetitive head impacts in youth soccer 

      Koerte, Inga K.; Bahr, Roald; Filipcik, Peter; Gooijers, Jolien; Leemans, Alexander; Lin, Alexander P.; Tripodis, Yorghos; Sochen, Nir; Swinnen, Stephan P.; Pasternak, Ofer; Shenton, Martha E. (Peer reviewed; Journal article, 2022)
      Repetitive head impacts (RHI) are common in youth athletes participating in contact sports. RHI differ from concussions; they are considered hits to the head that usually do not result in acute symptoms and are therefore ...

    • Reporting of resistance training dose, adherence, and tolerance in exercise oncology 

      Fairman, Ciaran M.; Nilsen, Tormod Skogstad; Newton, Robert U.; Taaffe, Dennis R.; Spry, Nigel; Joseph, David; Chambers, Suzanne; Robinson, Zac P.; Hart, Nicolas H.; Zourdos, Michael C.; Focht, Brian C.; Peddle-Mcintyre, Carolyn J.; Galvão, Daniel A. (Peer reviewed; Journal article, 2020)
      Purpose: While general guidelines (such as CONSORT or Consensus on Exercise Reporting Template) exist to enhance the reporting of exercise interventions in the field of exercise science, there is inadequate detail facilitating ...

    • Repositioning of the global epicentre of non-optimal cholesterol 

      Taddei, Cristina; Zhou, Bin; Bixby, Honor; Carrillo-Larco, Rodrigo M.; Danaei, Goodarz; Jackson, Rod T.; Ahmed, Soheir H; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Ariansen, Inger Kristine Holtermann; Bjertness, Espen; Bjertness, Marius Bergsmark; Graff-Iversen, Sidsel; Haugsgjerd, Teresa Risan; Janszky, Imre; Krokstad, Steinar; Laugsand, Lars Erik; Madar, Ahmed Ali; Mathiesen, Ellisiv B.; Sen, Abhijit; Tell, Grete S.; Vatten, Lars Johan; Wilsgaard, Tom; Farzadfar, Farshad; Sophiea, Marisa K.; Di Cesare, Mariachiara; Iurilli, Maria L. C.; Martinez, Andrea Rodriguez; Asghari, Golaleh; Dhana, Klodian; Gulayin, Pablo; Kakarmath, Sujay; Santero, Marilina; Voortman, Trudy; Riley, Leanne M.; Cowan, Melanie J.; Savin, Stefan; Bennett, James E.; Stevens, Gretchen A.; Paciorek, Christopher J.; Aekplakorn, Wichai; Cifkova, Renata; Giampaoli, Simona; Kengne, Andre Pascal; Khang, Young-Ho; Kuulasmaa, Kari; Laxmaiah, Avula; Margozzini, Paula; Mathur, Prashant; Meyer, Haakon E. (Peer reviewed; Journal article, 2020)
      High blood cholesterol is typically considered a feature of wealthy western countries. However, dietary and behavioural determinants of blood cholesterol are changing rapidly throughout the world and countries are using ...

    • Reproducibility of domain-specific physical activity over two seasons in children 

      Aadland, Eivind; Andersen, Lars Bo; Ekelund, Ulf; Anderssen, Sigmund Alfred; Resaland, Geir Kåre (Journal article; Peer reviewed, 2018)
      Background: Knowledge of the reproducibility of domain-specific accelerometer-determined physical activity (PA) estimates are a prerequisite to conduct high-quality epidemiological studies. The aim of this study was to ...

    • Resistance training rejuvenates the mitochondrial methylome in aged human skeletal muscle 

      Ruple, Bradley A; Godwin, Joshua S.; Mesquita, Paulo H. C; Osburn, Shelby C; Vann, Christopher G; Lamb, Donald A; Sexton, Casey L; Candow, Darren G; Forbes, Scott C; Frugé, Andrew D.; Kavazis, Andreas N; Young, Kaelin C; Seaborne, Robert A.; Sharples, Adam; Roberts, Michael D (Peer reviewed; Journal article, 2021)
      Resistance training (RT) dynamically alters the skeletal muscle nuclear DNA methylome. However, no study has examined if RT affects the mitochondrial DNA (mtDNA) methylome. Herein, ten older, Caucasian untrained males (65 ...

    • Return to pivoting sports after cartilage repair surgery of the knee: A scoping review 

      Toyooka, Seikai; Moatshe, Gilbert; Persson, Andreas; Engebretsen, Lars (Peer reviewed; Journal article, 2023)
      Objective: To perform a scoping literature review evaluating and reporting on outcomes and return to pivoting sports after cartilage procedures. For this review, the following cartilage procedures were evaluated: microfracture, ...

    • Return-to-Play Practices Following Hamstring Injury: A Worldwide Survey of 131 Premier League Football Teams 

      Dunlop, Gordon; Ardern, Clare L.; Andersen, Thor Einar; Lewin, Colin; Dupont, Gregory; Ashworth, Ben; O'Driscoll, Gary; Rolls, Andrew; Brown, Susan; McCall, Alan (Peer reviewed; Journal article, 2019)
      Purpose: Return-to-play (RTP) is an on-going challenge in professional football. Return-to-play related research is increasing. However, it is unknown to what extent the recommendations presented within research are being ...

    • A review of head injury and impact biomechanics in recreational skiing and snowboarding 

      Patton, Declan A.; McIntosh, Andrew S.; Hagel, Brent; Krosshaug, Tron (Peer reviewed; Journal article, 2020)
      Background: Skiing and snowboarding are popular competitive and recreational sports with associated head injury risks from impact hazards. Understanding head injury hazards and risks in snow sports can inform injury ...

    • Review of response rates over time in registry-based studies using patient-reported outcome measures 

      Wang, Katherine; Eftang, Cathrine N.; Jakobsen, Rune Bruhn; Årøen, Asbjørn (Peer reviewed; Journal article, 2020)
      Objectives: Gain an overview of expected response rates (RRs) to patient-reported outcome measures (PROMs) in clinical quality registry-based studies and long-term cohorts in order to better evaluate the validity of ...