“…The accuracy of joint position sense has been measured directly, using goniometers, potentiometers and video analysis systems (Figure 1), and indirectly using visual analog scales (Barrett, 1991;Dover & Powers, 2004;D. Hopper, Whittington, & Davies, 1997;Miura, et al, 2004;Ribeiro, Mota, & Oliveira, 2007;Stillman, McMeeken, & Macdonell, 1998;Torres, et al, 2010;Tripp, Boswell, Gansneder, & Shultz, 2004;You, 2005). The testing protocols usually comprise the definition of a target position that is identified and appreciated by the subjects, which are blindfolded.…”