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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Am J Obstet Gynecol. 2013 Jun 6;209(5):10.1016/j.ajog.2013.06.003. doi: 10.1016/j.ajog.2013.06.003

Figure 1. Research apparatus set-up.

Figure 1

A computer-controlled servoactuator (A) with force transducer (B) mounted on a tripod (C) quantifying force-displacement behavior of the uterine cervix while applying caudally-directed tensile force to the handle of a tenaculum (D) supported by a vertical support (E) and attached to the cervix. Blue arrow indicated force vector.