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Exercising machine for working muscles that support the spine

  • US 7,104,926 B2
  • Filed: 08/15/2002
  • Issued: 09/12/2006
  • Est. Priority Date: 08/15/2002
  • Status: Expired due to Fees
First Claim
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1. An exercise machine comprising:

  • a frame;

    an arcuate track having a first end and a second end coupled to the frame, the arcuate track pivotable about the first end and the second end; and

    a head engaging member coupled to the arcuate track and configured to move in relation to the arcuate track in response to a force on the head engaging member applied by a user'"'"'s head during exercise.

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