Fig. 1 The Sham (S) and the Press Tack Needle (PTN)

Fig. 2 Stimulus Sites

Fig. 3 Study Flow Chart

Fig. 4 Impressions Immediately Following the Race

Fig. 5 Impressions on the Day Following the Race

Table 1. Background of Subjects

Table 2. Reliability of the Sham for the Press Tack Needle

Table 3. VAS Values before the Race, Immediately after the Race, and the Day following the Race