What about the So-Called Neck Reflexes in Humans?
What about the So-Called Neck Reflexes in Humans?
This chapter aims to investigate the extent to which the human neck influences represent “reflexes”, and the degree to which they are determined by the internal representation of the body. Postural factors in man induce changes in the tone of limb muscles that resemble neck reflexes in animals. The results presented here include the influence of static head rotation on tonic activity of knee extensors. The modification of leg muscle tonic activity during illusory head “return” produced by sustained static rotation of the head is also discussed in detail here. It is concluded that head rotations induce changes in distribution of tonic activity of limb muscles in man.
Keywords: neck reflexes, static rotation, human neck, neck reflexes, limb muscles, postural factors
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