Abstract
Compression garments are popular mechanical ergogenic aids that are hypothesized to shorten the time needed to recover from exercise. PURPOSE: The purpose of this study was to evaluate the effects of full-length compression tights and knee-high stockings on recovery from plyometric exercise. METHODS: This study used a randomized pretest-posttest design. Thirty healthy males aged 18-25 were recruited for participation (height 1.81 ± 0.078 m; body mass 79.28 ± 12.59 kg; age 21.40 ± 2.28 years). Subjects were randomized into three groups: full-length tights (n=11), knee-high stockings (n=10), and a control group (n=9) (no garment). Subjects completed perceived muscle soreness ratings using a visual analog scale (VAS), isokinetic strength of the knee extensors (KE), time to peak torque (TTPT), and vertical jump height (VJ) measures at baseline, and repeated these at 24, 48, and 72 hours post-plyometric exercise. Plyometric exercise took place the on the second visit with subjects completing 10 sets of 10 plyometric box drop jumps. Compression garments were worn by the full-length and knee-high compression groups immediately following plyometric exercise and for the following 12 hours. All data were analyzed in SPSS (v23). Multiple repeated measures ANOVAs with Bonferroni adjustments were used to analyze the differences in KE, TTPT, VJ, and perceived muscle soreness. RESULTS: There were no differences between groups for any dependent measures. The time effect showed statistical significance for the VAS of the calves and quadriceps VJ, KE, and TTPT (p<0.05). Pairwise comparisons showed significant differences in VJ, KE, and TTPT (p<0.05). Pairwise comparisons of the VAS revealed the plantar flexors and the knee extensors demonstrated significant differences in perceived muscle soreness (p<0.05). CONCLUSION: These results suggest that while muscle damage occurred, and differences in VJ, KE, and TTPT were seen, no significant differences were observed between groups relative to compression garments. With this finding, we can conclude that full-length or knee-high compression stockings do not aid in recovery from plyometric exercise.
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