Muscle rigidity in cats with severed spinal cords

[eladyt at my-dejanews.com]

Hello,

  I have been told that when the spinal cord of a cat is cut, the muscles
controlled by the cut nerves become rigid. This suggests that motor commands
to muscle "tell" the muscle how much to relax, and not how much to contract.

   Could anyone point me to a reference about this phenomena (in cats or
possibly in humans) ?


                     Thanks,

                          Elad.

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