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. Author manuscript; available in PMC: 2007 Nov 21.
Published in final edited form as: J Biomech. 2007 May 17;40(14):3070–3078. doi: 10.1016/j.jbiomech.2007.03.019

Figure 2.

Figure 2

The experimental test apparatus included a temperature-controlled organ bath (Harvard Apparatus, South Natick, MA) and a pair of loading bars controlled by a stepper motor. The fixed bar was suspended from a force transducer (model 52-5945, Harvard Apparatus, South Natick, MA). The lower, movable bar was attached to a sliding element controlled by a stepper motor (P/N 1-19-3400, 24V DC, 1.8° step size, Howard Industry, St. Louis, MO) through a micrometer. The micro-stepping driver (IM483, Intelligent Motion Systems, Inc., Marlborough, CT) was controlled using the “experix” software system developed by William B. McConnaughey (sourceforge.net).