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Resistance therapy

  • US 8,425,385 B2
  • Filed: 03/28/2007
  • Issued: 04/23/2013
  • Est. Priority Date: 04/08/2005
  • Status: Active Grant
First Claim
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1. An exercise device, comprising:

  • first and second flexible bladder portions each having a stiffness and being in fluid connection with each other; and

    at least one of said first and second bladder portions contains an electro-rheological fluid therein;

    said first or second bladder portions being configured to overly a muscle when the muscle is in a substantially relaxed state and apply a lower pressure against the muscle when the muscle is substantially relaxed; and

    said first or second bladder portions being configured to be compressed when the muscle is flexed and apply a higher pressure against the muscle when the muscle is flexed.

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