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.
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Journal ArticleDOI
Resistance Training in the Early Postoperative Phase Reduces Hospitalization and Leads to Muscle Hypertrophy in Elderly Hip Surgery Patients—A Controlled, Randomized Study
Charlotte Suetta,S. Peter Magnusson,Anne Rosted,Per Aagaard,Arne K Jakobsen,Lone H. Larsen,Bent Duus,Michael Kjaer +7 more
TL;DR: The objective is to better understand how immobilization and surgery affect muscle size and function in the elderly and to identify effective training regimes.
Journal ArticleDOI
Determinants of musculoskeletal flexibility: viscoelastic properties, cross-sectional area, EMG and stretch tolerance
TL;DR: Data show that subjects with a restricted joint range of movement on a clinical toe‐ touch test have stiffer hamstring muscles and a lower stretch tolerance, and that the toe‐touch test is largely a measure of hamstring flexibility.
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Increased Bone Mineral Density after Prolonged Electrically Induced Cycle Training of Paralyzed Limbs in Spinal Cord Injured Man
TL;DR: It is concluded that in SCI, the loss of bone mass in the proximal tibia can be partially reversed by regular long-term FES cycle exercise, however, one exercise session per week is insufficient to maintain this increase.
Journal ArticleDOI
The effect of recombinant human growth hormone and resistance training on IGF-I mRNA expression in the muscles of elderly men
M Hameed,Kai Henrik Wiborg Lange,Jesper Løvind Andersen,Peter Schjerling,Michael Kjaer,Stephen D. R. Harridge,Geoffrey Goldspink +6 more
TL;DR: The data suggest that when mechanical loading in the form of resistance training is combined with GH, MGF mRNA levels are enhanced, which may reflect an overall up‐regulation of transcription of the IGF‐I gene prior to splicing.
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Viscoelastic response to repeated static stretching in the human hamstring muscle
Stig Peter Magnusson,Erik B. Simonsen,Per Aagaard,Gilbert W. Gleim,Malachy P. McHugh,Michael Kjaer +5 more
TL;DR: With 5 repeated stretches, resistance to stretch diminished and each stretch exibited a viscoelastic response, albeit less with each subsequent stretch, which has demonstrated a reliable method for studying resistance to Stretch of the human hamstring muscle group.