The purpose of this research was to determine if technique modeling and self-evaluation had an impact on college students’ self-regulation of motoric flexibility, measured through physiological assessments and surveys of stretching practices, flexibility outcome expectations, self-efficacy, and knowledge. In order to measure the impact of the treatments, students were randomly assigned to three conditions: (1) control lecture condition, in which flexibility fitness was taught using a scripted lecture format; (2) technique modeling condition, in which flexibility fitness was taught using the same script in addition to the researcher modeling proper stretching technique; and (3) technique modeling and self-evaluation condition, in which flexibility fitness was taught using the same script and technique modeling in addition to students being taught to measure their own motoric flexibility and to record their progress. It was hypothesized that the three treatment conditions would produce the following linear trend: condition 3 > condition 2 > condition 1 on the outcome measures. The results of this research study did demonstrate that flexibility training had a significant positive linear effect on college students’ right upper body motoric flexibility, stretching practices, outcome expectations, self-efficacy and flexibility procedural knowledge.