Journal of Mechanical Science and Technology

  • 제17권1호
  • /
  • Pages.32-39
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  • 2003
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  • 1738-494X(pISSN)
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  • 1976-3824(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
권호 표지

Musculoskeletal Kinematics During Voluntary Head Tracking Movements in Primate

  • Park, Hyeonki (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Emily Keshner (Sensory Motor Performance Program, Rehabilitation Institute of Chicago) ;
  • Barry W. Peterson (Department of Physiology, Northwestern University Medical School)
  • 발행 : 2003.01.01
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초록

In this study we examined connections between vertebral motion and patterns of muscle activation during voluntary head tracking movements. A Rhesus (Maraca mulatta) monkey was trained to produce sinusoidal tracking movements of the head in the sagittal plane while seated. Radio-opaque markers were placed in the cervical vertebrae, and intramuscular patch electrodes were implanted to record from eight neck muscles. Videofluoroscopic images of cervical vertebral motion, and EMG (electromyographic) responses were simultaneously re-corded. Experimental results demonstrated that head and vertebrae moved synchronously and that motion occurred primarily at skull-C$_1$, C$\_$6/-C$\_$7/ and Csub 7/-C$_1$. Our findings illustrate that although the biomechanical constraints of each species may limit the number of solutions available, it is the task requirements that appear to govern CNS (central nervous system) selection of movement behaviors.

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참고문헌

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