Jörn Rittweger

Summary

Affiliation: German Aerospace Center
Country: Germany

Publications

  1. doi request reprint Vibration as an exercise modality: how it may work, and what its potential might be
    Jörn Rittweger
    Institute of Aerospace Medicine, German Aerospace Center, Linder Höhe 1, Koln, 51147, Germany
    Eur J Appl Physiol 108:877-904. 2010
  2. doi request reprint Muscle X-ray attenuation is not decreased during experimental bed rest
    Jörn Rittweger
    Institute of Aerospace Medicine, German Aerospace Center, Cologne, Germany
    Muscle Nerve 47:722-30. 2013
  3. pmc The high bone mass phenotype is characterised by a combined cortical and trabecular bone phenotype: findings from a pQCT case-control study
    Celia L Gregson
    Musculoskeletal Research Unit, University of Bristol, Avon Orthopaedic Centre, Southmead Hospital, Bristol BS10 5NB, UK
    Bone 52:380-8. 2013
  4. doi request reprint Structural analysis of the human tibia in men with spinal cord injury by tomographic (pQCT) serial scans
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, John Dalton Tower, Oxford Road, Manchester, M1 5GD, UK
    Bone 47:511-8. 2010
  5. doi request reprint Muscle tissue oxygenation and VEGF in VO-matched vibration and squatting exercise
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    Clin Physiol Funct Imaging 30:269-78. 2010
  6. doi request reprint Persisting side-to-side differences in bone mineral content, but not in muscle strength and tendon stiffness after anterior cruciate ligament reconstruction
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    Clin Physiol Funct Imaging 31:73-9. 2011
  7. doi request reprint Effects of smoking on tibial and radial bone mass and strength may diminish with age
    Rob C I Wüst
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester M1 5GD, United Kingdom
    J Clin Endocrinol Metab 95:2763-71. 2010
  8. doi request reprint Prevention of bone loss during 56 days of strict bed rest by side-alternating resistive vibration exercise
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    Bone 46:137-47. 2010
  9. doi request reprint The specific role of gravitational accelerations for arterial adaptations
    Tobias Weber
    German Aerospace Center, Institute of Aerospace Medicine, Space Physiology, Cologne, Germany
    J Appl Physiol (1985) 114:387-93. 2013
  10. doi request reprint Vascular adaptations induced by 6 weeks WBV resistance exercise training
    Tobias Weber
    Department of Space Physiology, German Aerospace Center, Institute of Aerospace Medicine, Cologne, Germany
    Clin Physiol Funct Imaging 33:92-100. 2013

Collaborators

Detail Information

Publications26

  1. doi request reprint Vibration as an exercise modality: how it may work, and what its potential might be
    Jörn Rittweger
    Institute of Aerospace Medicine, German Aerospace Center, Linder Höhe 1, Koln, 51147, Germany
    Eur J Appl Physiol 108:877-904. 2010
    ..Moreover, literature suggests that vibration is beneficial to reduce chronic lower back pain and other types of pain. Other future indications are perceivable...
  2. doi request reprint Muscle X-ray attenuation is not decreased during experimental bed rest
    Jörn Rittweger
    Institute of Aerospace Medicine, German Aerospace Center, Cologne, Germany
    Muscle Nerve 47:722-30. 2013
    ..Muscle X-ray attenuation (MXA) in Hounsfield units (HU) is decreased in dystrophy, aging, and immobilization. We hypothesized a decrease also during bed rest (BR)...
  3. pmc The high bone mass phenotype is characterised by a combined cortical and trabecular bone phenotype: findings from a pQCT case-control study
    Celia L Gregson
    Musculoskeletal Research Unit, University of Bristol, Avon Orthopaedic Centre, Southmead Hospital, Bristol BS10 5NB, UK
    Bone 52:380-8. 2013
    ..In contrast to the radius, neither trabecular nor cortical BMD declined with age in the tibia of HBM cases, suggesting attenuation of age-related bone loss in weight-bearing limbs contributes to the observed bone phenotype...
  4. doi request reprint Structural analysis of the human tibia in men with spinal cord injury by tomographic (pQCT) serial scans
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, John Dalton Tower, Oxford Road, Manchester, M1 5GD, UK
    Bone 47:511-8. 2010
    ..Finally, the drastically reduced s04:s38 vBMC.tot ratio observed in the SCI group in this study provides a rationale to scrutinize this Capozza index also in other studies as a general indicator of immobilisation-induced bone loss...
  5. doi request reprint Muscle tissue oxygenation and VEGF in VO-matched vibration and squatting exercise
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    Clin Physiol Funct Imaging 30:269-78. 2010
    ..Most likely, the transient response is because of local vascular regulatory mechanisms and due to muscle contraction mechanics. This might become clinically relevant under pathological conditions, e.g. in vascular disorders...
  6. doi request reprint Persisting side-to-side differences in bone mineral content, but not in muscle strength and tendon stiffness after anterior cruciate ligament reconstruction
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    Clin Physiol Funct Imaging 31:73-9. 2011
    ..These findings suggest that impaired recovery of BMC following ACL reconstruction is not because of lack of recovery of knee extensor strength or patellar tendon stiffness. The responsible mechanisms still remain to be determined...
  7. doi request reprint Effects of smoking on tibial and radial bone mass and strength may diminish with age
    Rob C I Wüst
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester M1 5GD, United Kingdom
    J Clin Endocrinol Metab 95:2763-71. 2010
    ..The purpose of the study was to assess the effect of cigarette smoking on indicators of bone strength across a wide age range, controlling for physical activity and neuromuscular performance...
  8. doi request reprint Prevention of bone loss during 56 days of strict bed rest by side-alternating resistive vibration exercise
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    Bone 46:137-47. 2010
    ..These results suggest that the combined countermeasure applied in this study is effective to prevent bone losses from the tibia. This underlines the importance of mechanical usage for the maintenance of the human skeleton...
  9. doi request reprint The specific role of gravitational accelerations for arterial adaptations
    Tobias Weber
    German Aerospace Center, Institute of Aerospace Medicine, Space Physiology, Cologne, Germany
    J Appl Physiol (1985) 114:387-93. 2013
    ....
  10. doi request reprint Vascular adaptations induced by 6 weeks WBV resistance exercise training
    Tobias Weber
    Department of Space Physiology, German Aerospace Center, Institute of Aerospace Medicine, Cologne, Germany
    Clin Physiol Funct Imaging 33:92-100. 2013
    ..Despite numerous studies addressing the acute cardiovascular effects of WBV training, very little is known regarding long-term adaptations in healthy humans...
  11. doi request reprint Noninvasive estimation of myosin heavy chain composition in human skeletal muscle
    Bostjan Simunic
    Institute for Kinesiology Research, Science and Research Centre Koper, University of Primorska, Koper, Slovenia
    Med Sci Sports Exerc 43:1619-25. 2011
    ..Because there are only a few techniques available that noninvasively and accurately provide an estimate of muscle fiber type composition, the development of additional and alternative approaches is required...
  12. doi request reprint Effects of alfacalcidol on circulating cytokines and growth factors in rat skeletal muscle
    Janwillem Testerink
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, John Dalton Building, Oxford Road, Manchester, M5 1GD, UK
    J Physiol Sci 61:525-35. 2011
    ..The atrophy and loss of body mass in the presence of supra-physiological levels of vitamin D are primarily due to a reduced food intake...
  13. doi request reprint Forearm and tibial bone measures of distance- and sprint-trained master cyclists
    Desiree C Wilks
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, United Kingdom
    Med Sci Sports Exerc 41:566-73. 2009
    ..This study compared bone measures of sprint- and distance-trained cyclists competing at World Master Track Championships, along with sedentary controls (30-82 yr), and examined the associations of bone measures with age...
  14. pmc Relationship between ventilatory function and age in master athletes and a sedentary reference population
    Hans Degens
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, John Dalton Building Chester Street, Manchester, M1 5GD, UK
    Age (Dordr) 35:1007-15. 2013
    ..Life-long exercise does not appear to attenuate the age-related decrease in ventilatory function. The better respiratory function in master athletes than age-matched sedentary people might be due to self-selection and attrition bias...
  15. doi request reprint Costamere remodeling with muscle loading and unloading in healthy young men
    Ruowei Li
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    J Anat 223:525-36. 2013
    ....
  16. pmc Whole-body vibrations do not elevate the angiogenic stimulus when applied during resistance exercise
    Asa Beijer
    German Aerospace Center, Institute of Aerospace Medicine and Space Physiology, Cologne, Germany German Sport University Cologne, Department of Molecular and Cellular Sport Medicine, Cologne, Germany
    PLoS ONE 8:e80143. 2013
    ....
  17. doi request reprint Upper limb muscle-bone asymmetries and bone adaptation in elite youth tennis players
    Alex Ireland
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Manchester, UK
    Med Sci Sports Exerc 45:1749-58. 2013
    ..In addition, the study of the upper limbs removes the influence of gravitational loading, allowing the examination of the influence of muscular force on bone adaptation...
  18. pmc Sprint and endurance power and ageing: an analysis of master athletic world records
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, All Saints Campus, Manchester M15 6BH, UK
    Proc Biol Sci 276:683-9. 2009
    ..However, it is unclear as to which are the governing mechanisms that cause the different systems in our body, responsible for sprinting and for endurance performance, to be affected by ageing in a remarkably uniform way...
  19. doi request reprint Variation in the determinants of power of chemically skinned type I rat soleus muscle fibres
    Sally F Gilliver
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, John Dalton Building, Oxford Road, Manchester M5 1GD, UK
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 197:311-9. 2011
    ..Approximately 16% of the variation in Po could be explained by variation in the proportion of attached cycling cross-bridges (f/(f+g(1))), but the origin of most of the variance in Po remains unknown...
  20. doi request reprint Bone loss in the lower leg during 35 days of bed rest is predominantly from the cortical compartment
    Jörn Rittweger
    Institute for Biomedical Research into Human Movement and Health, Manchester Metropolitan University, Oxford Rd, Manchester, M1 5GD, UK
    Bone 44:612-8. 2009
    ..The latter will lead to cortical thinning, a factor that has been associated with the risk of fracture and with osteoarthritis...
  21. ncbi request reprint Petechiae: reproducible pattern of distribution and increased appearance after bed rest
    Bergita Ganse
    Division Space Physiology, German Aerospace Center, Institute of Aerospace Medicine, Porz Wahnheide, Linder Hohe, D 51147 Cologne, Germany
    Aviat Space Environ Med 84:864-6. 2013
    ..Centrifuge training delays the onset to higher G levels. One might expect onset at lower G levels after bed rest; however, there is no evidence in the literature. A case of petechiae formation after bed rest is presented here...
  22. pmc Influence of recombinant human erythropoietin treatment on pulmonary O2 uptake kinetics during exercise in humans
    Daryl P Wilkerson
    Department of Exercise and Sport Science, Manchester Metropolitan University, Alsager, UK
    J Physiol 568:639-52. 2005
    ....
  23. pmc Bone loss from the human distal tibia epiphysis during 24 days of unilateral lower limb suspension
    Jörn Rittweger
    Manchester Metropolitan University, IRM, Hassall Road, Alsager ST7 2HL, UK
    J Physiol 577:331-7. 2006
    ....
  24. ncbi request reprint Evaluation of the performance of a motion capture system for small displacement recording and a discussion for its application potential in bone deformation in vivo measurements
    Peng fei Yang
    Institute of Aerospace Medicine, German Aerospace Center, Germany
    Proc Inst Mech Eng H 226:838-47. 2012
    ..5 microm, respectively. Small markers (Ø3-8 mm) yielded better accuracy and repeatability than the larger marker (Ø10.5 mm). We conclude that the proposed system is capable of recording minor displacements in a relative large volume...
  25. pmc Skeletal muscle properties and fatigue resistance in relation to smoking history
    Rob C I Wüst
    Institute for Biomedical Research into Human Movement and Health IRM, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, UK
    Eur J Appl Physiol 104:103-10. 2008
    ..An acute and reversible effect of smoking could be caused by carbon monoxide and/or other substances in smoke hampering oxygen delivery and mitochondrial function...
  26. doi request reprint Changes in lower extremity muscle function after 56 days of bed rest
    B Buehring
    Center for Muscle and Bone Research, Charite Universitatsmedizin Berlin, Free and Humboldt Universities, Berlin, Germany
    J Appl Physiol (1985) 111:87-94. 2011
    ..RVE was effective in maintaining IPFF but only mitigated the decline in jumping performance. More research is needed to develop countermeasures that maintain muscle strength as well as other muscle functions including power...