The sensory origins of human position sense.

  title={The sensory origins of human position sense.},
  author={Anthony J Tsay and Melita J Giummarra and Trevor J. Allen and Uwe Proske},
  journal={The Journal of physiology},
  volume={594 4},
KEY POINTS Position sense at the human forearm can be measured in blindfolded subjects by matching positions of the arms or by a subject pointing to the perceived position of an unseen arm. Effects on position sense tested were: elbow muscle conditioning with a voluntary contraction, muscle vibration, loading the arm and elbow skin stretch. Conditioning contractions and vibration produced errors in a matching task, consistent with the action of muscle spindles as position sensors. Position… CONTINUE READING
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