M
Michael Kjaer
Researcher at University of Copenhagen
Publications - 516
Citations - 32647
Michael Kjaer is an academic researcher from University of Copenhagen. The author has contributed to research in topics: Tendon & Skeletal muscle. The author has an hindex of 100, co-authored 494 publications receiving 29502 citations. Previous affiliations of Michael Kjaer include Health Science University & Frederiksberg Hospital.
Papers
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Journal ArticleDOI
Effects of transdermal estrogen on collagen turnover at rest and in response to exercise in postmenopausal women.
Jessica Pingel,Henning Langberg,D. Skovgård,S. Koskinen,Allan Flyvbjerg,Jan Frystyk,Michael Kjaer,Mette Hansen,Mette Hansen +8 more
TL;DR: In conclusion, ERT was associated with enhanced synthesis of type I collagen in the skeletal muscle in response to acute exercise, indicating that the availability of estrogen in postmenopausal women is important for repair of muscle damage or remodeling of the connective tissue within the skeletal Muscle after exercise.
Journal ArticleDOI
Exercise-induced changes in circulating levels of transforming growth factor-β-1 in humans: methodological considerations
TL;DR: The resting plasma level of transforming growth factor-β-1 was stable over time when blood samples were treated appropriately, and exercise increased the plasma concentration, perhaps indicating a release from mechanically loaded tissues.
Book ChapterDOI
Collagen Homeostasis and Metabolism.
TL;DR: The importance of regular mechanical load in order to preserve the stabilizing role of the connective tissue for the overall function of the musculoskeletal system in both daily activity and exercise is illustrated.
Journal ArticleDOI
Early development of tendinopathy in humans: Sequence of pathological changes in structure and tissue turnover signaling.
Peter H. T. Tran,Peter H. T. Tran,Nikolaj M Malmgaard-Clausen,Nikolaj M Malmgaard-Clausen,Rikke Steffensen Puggaard,Rikke Steffensen Puggaard,Rene B. Svensson,Rene B. Svensson,Janus Damm Nybing,Philip Hansen,Peter Schjerling,Peter Schjerling,Amanda Hempel Zinglersen,Amanda Hempel Zinglersen,Christian Couppé,Mikael Boesen,S. Peter Magnusson,Michael Kjaer,Michael Kjaer +18 more
TL;DR: It is suggested that tendinopathy pathogenesis represents a disturbed tissue homeostasis with fluid accumulation and is likely induced by repeated mechanical overloading rather than a partial rupture of the tendon.
Journal ArticleDOI
Carbon-14 bomb pulse dating shows that tendinopathy is preceded by years of abnormally high collagen turnover.
Katja M. Heinemeier,Peter Schjerling,Tommy F. Øhlenschlæger,Christian Eismark,Jesper V. Olsen,Michael Kjaer +5 more
TL;DR: Carbon‐14 bomb pulse dating shows that tendinopathy is preceded by years of abnormally high collagen turnover, which suggests that either the symptoms of tendinopathic represent a late phase of a very prolonged disease process, or an abnormallyhigh collagen exchange could be a risk factor for tendon disorders rather than being a result of disease.