3. Results
The sample consisted of 53 men (66.25%) and 27 women (33.75%), with an average age of 22.82 years (4.33 SD). There were no significant differences between the experimental and control groups at baseline (The effect size of the PNF group was higher than that of the FR group both during the intervention and at the end of the intervention (When analyzing the sensation of perceived exertion, it was observed that the sensation was similar in both groups (FR group: 4.05 ± 2.48 and PNF group: 4.4 ± 2.21). There was no statistically significant difference between the increased effort and the flexibility gained (