A. Nieß, W. Bloch, B. Friedmann-Bette, C. Grim, B. Gärtner, M. Halle, A. Hirschmüller, C. Kopp, T. Meyer, J. Niebauer, G. Predel, Claus Reinsberger, K. Röcker, J. Scharhag, C. Schneider, J. Scherr, J. Steinacker, F. Mayer, B. Wolfarth
{"title":"Recommendations for exercise testing in sports medicine during the current pandemic situation (SARS-CoV-2 / COVID-19)","authors":"A. Nieß, W. Bloch, B. Friedmann-Bette, C. Grim, B. Gärtner, M. Halle, A. Hirschmüller, C. Kopp, T. Meyer, J. Niebauer, G. Predel, Claus Reinsberger, K. Röcker, J. Scharhag, C. Schneider, J. Scherr, J. Steinacker, F. Mayer, B. Wolfarth","doi":"10.5960/dzsm.2020.438","DOIUrl":"https://doi.org/10.5960/dzsm.2020.438","url":null,"abstract":"","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78688515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. Steinacker, W. Bloch, M. Hallé, F. Mayer, T. Meyer, A. Hirschmüller, K. Röcker, A. Nieß, J. Scharhag, Claus Reinsberger, J. Scherr, J. Niebauer, B. Wolfarth, J. Hannafin, M. Hiura, M. Wilkinson, D. Koubaa, P. Poli, P. Zupet, T. Smoljanović, H. B. Nielsen, Ke Ackerman, F. Wilson
{"title":"Fact Sheet: Health Situation for Athletes in the Current Coronavirus Pandemic (SARS-CoV-2 / COVID-19)","authors":"J. Steinacker, W. Bloch, M. Hallé, F. Mayer, T. Meyer, A. Hirschmüller, K. Röcker, A. Nieß, J. Scharhag, Claus Reinsberger, J. Scherr, J. Niebauer, B. Wolfarth, J. Hannafin, M. Hiura, M. Wilkinson, D. Koubaa, P. Poli, P. Zupet, T. Smoljanović, H. B. Nielsen, Ke Ackerman, F. Wilson","doi":"10.5960/DZSM.2020.431","DOIUrl":"https://doi.org/10.5960/DZSM.2020.431","url":null,"abstract":"","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83677815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sport in Zeiten von Corona","authors":"W. Bloch, M. Halle, J. Steinacker","doi":"10.5960/dzsm.2020.432","DOIUrl":"https://doi.org/10.5960/dzsm.2020.432","url":null,"abstract":"","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72428121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Tenforde, Arielle B. M. Beauchesne, J. Borg-Stein, K. Hollander, K. McInnis, D. Kotler, Kathryn E. Ackerman
{"title":"Awareness and comfort treating the female athlete triad and relative energy deficency in sport among healthcare p-roviders","authors":"A. Tenforde, Arielle B. M. Beauchesne, J. Borg-Stein, K. Hollander, K. McInnis, D. Kotler, Kathryn E. Ackerman","doi":"10.5960/dzsm.2020.422","DOIUrl":"https://doi.org/10.5960/dzsm.2020.422","url":null,"abstract":"","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80426745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Machulik, D. Hamacher, K. Lindlein, A. Zech, K. Hollander
{"title":"Validation of an inertial measurement unit based magnetictiming gate system during running and sprinting","authors":"M. Machulik, D. Hamacher, K. Lindlein, A. Zech, K. Hollander","doi":"10.5960/dzsm.2020.426","DOIUrl":"https://doi.org/10.5960/dzsm.2020.426","url":null,"abstract":"","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88480250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Biomechanical running gait analysis in athletes has been reported to be a crucial part of improving running style (9, 13). Clinicians commonly analyze running gait patterns to prevent or treat injuries that are related to a poor alignment or possibly damaging biomechanics (27). Besides the clinical significance of an appropriate running gait analysis, scientists also assess the biomechanics of athletes, mostly runners, to ensure an efficient running technique (41). A common component of analyzing running technique is the determination of footstrike patterns in athletes (9, 11, 22). Typically, the footstrike pattern is defined as a biomechanical analysis of the way the foot touches the ground (35), A common interpretation of this definition uses the distinction of three footstrike patterns (Fig. 1): forefoot strike (FFS), midfoot strike (MFS), rearfoot strike (FRS). Several modifications have been made to this popular classification. For instance, some authors Tim Hoenig Department of Sports and Exercise Medicine Institute of Human Movement Science University of Hamburg Turmweg 2, 20148 Hamburg, Germany : tim.hoenig@stud.uke.uni-hamburg.de SCHLÜSSELWÖRTER: Laufen, Biomechanik, Überlastungsverletzungen
{"title":"Footstrike patterns in runners: concepts, classifications, techniques, and implicationsfor running-related injuries","authors":"T. Hoenig, T. Rolvien, K. Hollander","doi":"10.5960/dzsm.2020.424","DOIUrl":"https://doi.org/10.5960/dzsm.2020.424","url":null,"abstract":"Biomechanical running gait analysis in athletes has been reported to be a crucial part of improving running style (9, 13). Clinicians commonly analyze running gait patterns to prevent or treat injuries that are related to a poor alignment or possibly damaging biomechanics (27). Besides the clinical significance of an appropriate running gait analysis, scientists also assess the biomechanics of athletes, mostly runners, to ensure an efficient running technique (41). A common component of analyzing running technique is the determination of footstrike patterns in athletes (9, 11, 22). Typically, the footstrike pattern is defined as a biomechanical analysis of the way the foot touches the ground (35), A common interpretation of this definition uses the distinction of three footstrike patterns (Fig. 1): forefoot strike (FFS), midfoot strike (MFS), rearfoot strike (FRS). Several modifications have been made to this popular classification. For instance, some authors Tim Hoenig Department of Sports and Exercise Medicine Institute of Human Movement Science University of Hamburg Turmweg 2, 20148 Hamburg, Germany : tim.hoenig@stud.uke.uni-hamburg.de SCHLÜSSELWÖRTER: Laufen, Biomechanik, Überlastungsverletzungen","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44369170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Blood or blood products may be transfused into one’s own veins (“autologous transfusion”) or someone else’s veins (“allogeneic” or “homologous”). More than 100 million units of blood are collected globally for this purpose each year (7). Initially transfusions were performed with whole blood, but nowadays specific blood compounds are administered in general. Packed red blood cells (RBCs, erythrocyte concentrates) are infused to treat life-threatening anemia, i.e. when the blood hemoglobin concentration [Hb] has fallen below 70 to 80 g/L in a patient (52). The transfusion of a single RBC unit (from ~525 mL blood) increases [Hb] by about 10 g/L (45). In endurance sports, the mass of Hb (Hbmass) correlates with the rate of maximal O2 uptake (O2max). The transfusion of RBCs enhances O2max and Wolfgang Jelkmann, M.D. Professor of Physiology (ret.) University of Luebeck 23562 Luebeck, Germany : wolfgang.jelkmann@uni-luebeck.de SCHLÜSSELWÖRTER: Anämie, Biologischer Pass, Hämoglobin, Doping, Kryokonservierung
{"title":"Autologous red blood cell transfusions in clinics and their misuse in sports","authors":"W. Jelkmann","doi":"10.5960/dzsm.2020.420","DOIUrl":"https://doi.org/10.5960/dzsm.2020.420","url":null,"abstract":"Blood or blood products may be transfused into one’s own veins (“autologous transfusion”) or someone else’s veins (“allogeneic” or “homologous”). More than 100 million units of blood are collected globally for this purpose each year (7). Initially transfusions were performed with whole blood, but nowadays specific blood compounds are administered in general. Packed red blood cells (RBCs, erythrocyte concentrates) are infused to treat life-threatening anemia, i.e. when the blood hemoglobin concentration [Hb] has fallen below 70 to 80 g/L in a patient (52). The transfusion of a single RBC unit (from ~525 mL blood) increases [Hb] by about 10 g/L (45). In endurance sports, the mass of Hb (Hbmass) correlates with the rate of maximal O2 uptake (O2max). The transfusion of RBCs enhances O2max and Wolfgang Jelkmann, M.D. Professor of Physiology (ret.) University of Luebeck 23562 Luebeck, Germany : wolfgang.jelkmann@uni-luebeck.de SCHLÜSSELWÖRTER: Anämie, Biologischer Pass, Hämoglobin, Doping, Kryokonservierung","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76118018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Seitz, E. Preissler, P. Catalá-Lehnen, M. Weitl
{"title":"Effects of the ‘live low-train high‘ method on variables of endurance capacity. A systematic review","authors":"H. Seitz, E. Preissler, P. Catalá-Lehnen, M. Weitl","doi":"10.5960/dzsm.2019.413","DOIUrl":"https://doi.org/10.5960/dzsm.2019.413","url":null,"abstract":"","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79491952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K. Lechner, B. Lechner, H. Engel, M. Halle, N. Worm, J. Scherr
Vitamin D (VitD) and its physiological function in regulating calcium/phosphorus absorption and bone remineralization werefirst described in the early 20thcentury. A better understanding of VitD signaling has advanced our understanding of the importance of adequate VitD status to human health and performance. Tissues relevant to athletes which depend on VitD for optimal function include innate and adaptive immune system, skeletal muscle, and bone. Cross-sectional studies have shown that more than half of athletes are deficient and/or insufficient in VitD. Correcting insufficiency, the suggested target of25(OH)D blood levels above 30 ng/ml has the potential to optimize various aspects related to performance and regeneration in VitD insufficient athletes. This might help athletes to reach their full potential. Of note, there is no evidence pointing to actual or potential health risks of VitD levels within the recommended limits. VitD is therefore not on the list of prohibited substances of the world anti-doping agency. To avoid toxicity, VitD status should be monitored and supplementation strategies should be individualized and target-oriented. In terms of effectiveness and safety, low-dosed, continuous supplementation strategies of VitD are superior to intermittent application of supraphysiological boluses. The concept of synergy between nutrients lends qualified support tothe assumption that VitD bioavailability and function depend on meal context and onthefat-soluble vitamins A and K2 as well as the minerals magnesium and zinc. DOI: https://doi.org/10.5960/dzsm.2019.404 Posted at the Zurich Open Repository and Archive, University of Zurich ZORA URL: https://doi.org/10.5167/uzh-201218 Journal Article Published Version The following work is licensed under a Creative Commons: Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License. Originally published at: Lechner, K; Lechner, B; Engel, H; Halle, M; Worm, N; Scherr, Johannes (2020). Vitamin D and Athletic Performance: Perspectives and Pitfalls. Deutsche Zeitschrift für Sportmedizin, 71(2):35-42. DOI: https://doi.org/10.5960/dzsm.2019.404
{"title":"Vitamin D and athletic performance: perspectives and pitfalls","authors":"K. Lechner, B. Lechner, H. Engel, M. Halle, N. Worm, J. Scherr","doi":"10.5960/dzsm.2019.404","DOIUrl":"https://doi.org/10.5960/dzsm.2019.404","url":null,"abstract":"Vitamin D (VitD) and its physiological function in regulating calcium/phosphorus absorption and bone remineralization werefirst described in the early 20thcentury. A better understanding of VitD signaling has advanced our understanding of the importance of adequate VitD status to human health and performance. Tissues relevant to athletes which depend on VitD for optimal function include innate and adaptive immune system, skeletal muscle, and bone. Cross-sectional studies have shown that more than half of athletes are deficient and/or insufficient in VitD. Correcting insufficiency, the suggested target of25(OH)D blood levels above 30 ng/ml has the potential to optimize various aspects related to performance and regeneration in VitD insufficient athletes. This might help athletes to reach their full potential. Of note, there is no evidence pointing to actual or potential health risks of VitD levels within the recommended limits. VitD is therefore not on the list of prohibited substances of the world anti-doping agency. To avoid toxicity, VitD status should be monitored and supplementation strategies should be individualized and target-oriented. In terms of effectiveness and safety, low-dosed, continuous supplementation strategies of VitD are superior to intermittent application of supraphysiological boluses. The concept of synergy between nutrients lends qualified support tothe assumption that VitD bioavailability and function depend on meal context and onthefat-soluble vitamins A and K2 as well as the minerals magnesium and zinc. DOI: https://doi.org/10.5960/dzsm.2019.404 Posted at the Zurich Open Repository and Archive, University of Zurich ZORA URL: https://doi.org/10.5167/uzh-201218 Journal Article Published Version The following work is licensed under a Creative Commons: Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License. Originally published at: Lechner, K; Lechner, B; Engel, H; Halle, M; Worm, N; Scherr, Johannes (2020). Vitamin D and Athletic Performance: Perspectives and Pitfalls. Deutsche Zeitschrift für Sportmedizin, 71(2):35-42. DOI: https://doi.org/10.5960/dzsm.2019.404","PeriodicalId":50591,"journal":{"name":"Deutsche Zeitschrift fur Sportmedizin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45550523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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