This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Effects of Sinusoidal Whole Body Vibration Frequency on Drivers' Muscle Responses
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 14, 2015 by SAE International in United States
Annotation ability available
Low back pain has a higher prevalence among drivers who have long term history of vehicle operations. Vehicle vibration has been considered to contribute to the onset of low back pain. However, the fundamental mechanism that relates vibration to low back pain is still not clear. Little is known about the relationship between vibration exposure, the biomechanical response, and the physiological responses of the seated human. The aim of this study was to determine the vibration frequency that causes the increase of muscle activity that can lead to muscle fatigue and low back pain. This study investigated the effects of various vibration frequencies on the lumbar and thoracic paraspinal muscle responses among 11 seated volunteers exposed to sinusoidal whole body vibration varying from 4Hz to 30Hz at 0.4 g of acceleration. The accelerations of the seat and the pelvis were recorded during various frequency of vibrations. Muscle activity was measured using electromyography (EMG). The results demonstrated that peak muscle response from both upper and low back occurred at 5-6 Hz frequencies, which are also reported frequencies of peak transmissibility in vertical direction. The peak muscle response occurred at frequencies of peak transmissibility indicates that higher stretch amplitude of spinal muscle during resonant frequencies mainly induce the greater muscle activity. Those findings help us better understand the fundamental mechanism of driving discomfort and low back pain and avoid noxious vibration during NVH (noise-vibration-harshness) designs.
|Journal Article||Driving Posture Measurement using 3D Scanning Measuring Technique|
|Technical Paper||Lightweight Seat Design and Crash Simulations|
|Journal Article||Development of a Dynamic Vibration Absorber to Reduce Frame Beaming|
- Xiangjie Meng - Tsinghua University
- Xin Tao - Tsinghua University
- Wenjun Wang - Tsinghua University
- Chaofei Zhang - Tsinghua University
- Bo Cheng - Tsinghua University
- Bo Wang - Tsinghua University
- Chengpeng Zhou - Wayne State University
- Xiaoping Jin - China Agricultural University
- Chao Zeng - Shihezi University
- John Cavanaugh - Wayne State University
- Chaoyang Chen - Wayne State University
CitationMeng, X., Tao, X., Wang, W., Zhang, C. et al., "Effects of Sinusoidal Whole Body Vibration Frequency on Drivers' Muscle Responses," SAE Technical Paper 2015-01-1396, 2015, https://doi.org/10.4271/2015-01-1396.
- Nevin, R., and Means, G., 2009, “Pain & Discomfort in Deployed Helicopter Aviators Wearing Body Armor,” Aviat. Space Environ. Med., 80(9), pp. 807-810.
- Lis AM, Black KM, Korn H, Nordin M, 2007, “Association between sitting and occupational LBP”, Eur Spine J., 16(2), pp.283-98.
- Boshuizen, H., and Hulshof, T. J., 1999, “Effect of Whole Body Vibration on Low Back Pain,” Spine, 24, pp. 2506-2515.
- Griffin, M. J., 1978, “The Evaluation of Vehicle Vibration and Seats,” Appl. Ergonomics, 9(1), pp. 15-21.
- Baig, H.A., Dorman, D.B., 2014, “Characterization of the frequency and muscle responses of the lumbar and thoracic spines of seated volunteers during sinusoidal whole body vibrations,” Journal of Biomechanical Engineering, 136 (10)/101102.
- Panjabi, M. M., Anderson, G. J., and Jorenus, L., 1986, “In Vivo Measurements of Spinal Column Vibrations,” J. Bone Jt. Surg., 68, pp. 695-702.
- Mansfield, N. J., and Griffin, M. J., 2000, “Non-Linearities in Apparent Mass and Transmissibility during Exposure to Whole-Body Vertical Vibration,” J. Biomech., 33(8), pp. 933-941.
- International Organization for Standardization, (1997), Mechanical vibration and shock - evaluation of human exposure - to whole-body vibration. Part 1: general requirements. International Standard, ISO 2631-1, Second edition 1997-05-01.
- Heino, M., Ketola, R., Makela, P., Makinen, R., Niemela, R., Starak, J., and Partanen, T., 1978, “Work Conditions and Health of Locomotive Engineers,” Scand. J. Work Environ. Health, 4, pp. 3-14.
- Sogaard, K., Blangsted, A.K., Jorgensen, L.V., Madeleine, P., and Sjogaard, G., 2003, “Evidence of long term muscle fatigue following prolonged intermittent contractions based on mechano- and electromyograms”, J Electromyogr Kines 13, (5), pp. 441-450.
- Lu Y, Chen C, Kallakuri S, Patwardhan A, and Cavanaugh JM. Neural response of cervical facet joint capsule to stretch: a potential whiplash pain mechanism. Stapp Car Crash Journal 2005-22-0003, 49:49-65.
- Chen C, Lu Y, Kallakuri S, Patwardhan A, Cavanaugh JM, 2006, “Distribution of A-delta and C-fiber receptors in the cervical facet joint capsule and their response to stretch”, J Bone Joint Surg Am, 88(8), pp.1807-16.
- Cavanaugh JM, Lu Y, Chen C, Kallakuri S, 2006, “Pain Generation in Lumbar Facet Joints”, J Bone Joint Surg Am, 88(2), pp. 63-7.
- Ritzmann, R., Kramer, A., Gruber, M., Gollhofer, A., and Taube, W., 2010, “EMG Activity during Whole Body Vibration: Motion Artifacts or Stretch Reflexes?” Eur. J. Appl. Physiol., 110(1), pp. 143-151.
- Matthews P.B.C, 1966, “The reflex excitation of the soleus muscle of the decerebrate cat caused by vibration applied to its tendon,” J. Physiol, 184, pp. 450-472.
- Matthews P.B.C, 1969, “Evidence that the secondary as well as the primary endings of the muscle spindles may be responsible for the tonic stretch reflex of the decerebrate cat,” J. Physiol, 204, pp. 365-393.
- Redfern S., Mark E., Hughes B, 1993, “High-pass filtering to remove electrocardiographic interference from torso EMG recordings”, Clin. Biomech. 8, pp. 44-48.
- Cameron, B., Morrison, J., Robinson, D., Vukusic, G. A., Martin, S., Roddan, G., and Albano, J. P., 1996, “Development of a Standard for the Health Hazard Assessment of Mechanical Shock and Repeated Impact in Army Vehicles-Phase 4,” USAARL Contract, Fort Rucker, AL, Report No. CR-96-1.