Kristine Krajnak

Summary

Affiliation: Centers for Disease Control and Prevention
Country: USA

Publications

  1. ncbi request reprint Vibration disrupts vascular function in a model of metabolic syndrome
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, 1095 Willowdale Rd, Morgantown, WV 26505, USA
    Ind Health 47:533-42. 2009
  2. ncbi request reprint Frequency-dependent effects of vibration on physiological systems: experiments with animals and other human surrogates
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, USA
    Ind Health 50:343-53. 2012
  3. doi request reprint Three-dimensional finite element simulations of the dynamic response of a fingertip to vibration
    John Z Wu
    National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
    J Biomech Eng 130:054501. 2008
  4. doi request reprint Evaluation of anti-vibration effectiveness of glove materials using an animal model
    Xueyan S Xu
    National Institute for Occupational Safety and Health, Morgantown, WV, USA
    Biomed Mater Eng 21:193-211. 2011
  5. doi request reprint Characterization of frequency-dependent responses of the vascular system to repetitive vibration
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, WV 26505, USA
    J Occup Environ Med 54:1010-6. 2012
  6. doi request reprint Analysis of the biodynamic interaction between the fingertip and probe in the vibrotactile tests: the influences of the probe/fingertip contact orientation and static indentation
    John Z Wu
    National Institute for Occupational Safety and Health, NIOSH CDC, 1095 Willowdale Road, MS 2027, Morgantown, WV 26505, USA
    J Biomech 42:116-24. 2009
  7. ncbi request reprint A proposed theory on biodynamic frequency weighting for hand-transmitted vibration exposure
    Ren G Dong
    Engineering and Control Technology Branch, National Institute for Occupational Safety and Health, USA
    Ind Health 50:412-24. 2012
  8. doi request reprint Characterization of frequency-dependent responses of the vascular system to repetitive vibration
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, WV 26505, USA
    J Occup Environ Med 52:584-94. 2010
  9. ncbi request reprint Analysis of musculoskeletal loading in an index finger during tapping
    John Z Wu
    National Institute for Occupational Safety and Health, NIOSH CDC, 1095 Willowdale Road, MS 2027, Morgantown, WV 26505, USA
    J Biomech 41:668-76. 2008
  10. doi request reprint Acute effects of COREXIT EC9500A on cardiovascular functions in rats
    Kristine Krajnak
    Engineering and Controls Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
    J Toxicol Environ Health A 74:1397-404. 2011

Collaborators

Detail Information

Publications14

  1. ncbi request reprint Vibration disrupts vascular function in a model of metabolic syndrome
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, 1095 Willowdale Rd, Morgantown, WV 26505, USA
    Ind Health 47:533-42. 2009
    ..These findings are consistent with idea that workers with metabolic syndrome have an increased risk of developing VWF...
  2. ncbi request reprint Frequency-dependent effects of vibration on physiological systems: experiments with animals and other human surrogates
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, USA
    Ind Health 50:343-53. 2012
    ....
  3. doi request reprint Three-dimensional finite element simulations of the dynamic response of a fingertip to vibration
    John Z Wu
    National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
    J Biomech Eng 130:054501. 2008
    ..The current predictions are qualitatively consistent with the physiological data collected from workers with vibration white finger...
  4. doi request reprint Evaluation of anti-vibration effectiveness of glove materials using an animal model
    Xueyan S Xu
    National Institute for Occupational Safety and Health, Morgantown, WV, USA
    Biomed Mater Eng 21:193-211. 2011
    ..The rat tail was found to effectively absorb the high-frequency vibration. However, the glove materials and the rat tail did not reduce the frequency-weighted acceleration. The implications of the experimental results are discussed...
  5. doi request reprint Characterization of frequency-dependent responses of the vascular system to repetitive vibration
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, WV 26505, USA
    J Occup Environ Med 54:1010-6. 2012
    ..The goal of this study was to assess the frequency-dependent effects of repeated bouts of vibration on sensory nerve function and associated changes in nerves...
  6. doi request reprint Analysis of the biodynamic interaction between the fingertip and probe in the vibrotactile tests: the influences of the probe/fingertip contact orientation and static indentation
    John Z Wu
    National Institute for Occupational Safety and Health, NIOSH CDC, 1095 Willowdale Road, MS 2027, Morgantown, WV 26505, USA
    J Biomech 42:116-24. 2009
    ....
  7. ncbi request reprint A proposed theory on biodynamic frequency weighting for hand-transmitted vibration exposure
    Ren G Dong
    Engineering and Control Technology Branch, National Institute for Occupational Safety and Health, USA
    Ind Health 50:412-24. 2012
    ..As a result, preliminary finger biodynamic frequency weightings are proposed. The implications of the proposed theory and the preliminary biodynamic frequency weightings are also discussed...
  8. doi request reprint Characterization of frequency-dependent responses of the vascular system to repetitive vibration
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, WV 26505, USA
    J Occup Environ Med 52:584-94. 2010
    ..The goal of this study was to assess the frequency-dependent responses of the peripheral vascular system to repeated bouts of vibration...
  9. ncbi request reprint Analysis of musculoskeletal loading in an index finger during tapping
    John Z Wu
    National Institute for Occupational Safety and Health, NIOSH CDC, 1095 Willowdale Road, MS 2027, Morgantown, WV 26505, USA
    J Biomech 41:668-76. 2008
    ..The proposed model will be useful for bioengineers and ergonomic designers to improve keyboard design minimizing musculoskeletal loadings in the fingers...
  10. doi request reprint Acute effects of COREXIT EC9500A on cardiovascular functions in rats
    Kristine Krajnak
    Engineering and Controls Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
    J Toxicol Environ Health A 74:1397-404. 2011
    ..These findings demonstrate that an acute exposure to COREXIT EC9500A exerts transient effects on cardiovascular and peripheral vascular functions...
  11. doi request reprint Pulmonary and cardiovascular responses of rats to inhalation of silver nanoparticles
    Jenny R Roberts
    a National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
    J Toxicol Environ Health A 76:651-68. 2013
    ..In summary, short-term inhalation of nano-Ag did not produce apparent marked acute toxicity in this animal model. ..
  12. ncbi request reprint Acute vibration reduces Abeta nerve fiber sensitivity and alters gene expression in the ventral tail nerves of rats
    Kristine Krajnak
    Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, USA
    Muscle Nerve 36:197-205. 2007
    ..These transient changes in sensory perception and transcript levels induced by acute vibration exposure may be indicators of more prolonged changes in peripheral nerve physiology...
  13. ncbi request reprint Proapoptotic factor Bax is increased in satellite cells in the tibialis anterior muscles of old rats
    Kristine Krajnak
    Engineering and Controls Technology Branch, National Institute for Occupational Safety and Health, 1095 Willowdale Rd, MS 2027, Morgantown, West Virginia 26505, USA
    Muscle Nerve 34:720-30. 2006
    ..Based on these findings we conclude that reducing satellite-cell apoptosis in aged animals may improve muscle recovery after injury...
  14. ncbi request reprint Finite element analysis of the penetrations of shear and normal vibrations into the soft tissues in a fingertip
    John Z Wu
    National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
    Med Eng Phys 29:718-27. 2007
    ..8 mm). The model predictions are consistent with the published experimental observations...