Upper- and lower-body pain perception during DOMS: the effect of menthol-based topical analgesic application

Mirzabeigi Fini, Sara (2020) Upper- and lower-body pain perception during DOMS: the effect of menthol-based topical analgesic application. Masters thesis, Memorial University of Newfoundland.

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Menthol-based analgesic gels have been proven to alleviate delayed onset muscle soreness (DOMS) pain perception. The difference in pain pressure threshold (PPT) between the lower vs. upper extremities is not well understood nor is there much research illustrating the effect of the menthol-based analgesic on pain perception between these extremities during DOMS. Thus, the purpose of this study was to compare the upper- and lower-body’s responses to pain 48 hours after DOMS induction and following menthol-based analgesic gel application. Fourteen participants were placed into two groups (placebo and experimental) and each performed 5 sets of 10 repetitions of eccentric contractions of the knee extensors and elbow flexors on an isokinetic dynamometer. PPT measurements were taken via a handheld algometer at baseline, immediately after and 48 hours after the DOMS protocol. After 48 hours the PPT was measured prior to and 15 minutes following gel application and every 5 minutes for 45 minutes thereafter. Statistical analysis revealed a significant difference for PPT in both groups between the knee extensors and elbow flexors (p<0.001). For experimental group both elbow flexors (48%) and knee extensors (26%) showed a decrease in PPT 48 hours after DOMS, but only the elbow flexors significantly reduced (p=0.018). The application of a menthol-based gel to the elbow flexors increased PPT at 30 minutes after gel application until the end of the test (p=0.018). The placebo group showed a significant reduction in their PPT values 48 hours after DOMS in both the elbow flexors (45%) and knee extensors (38%) (p=0.018). Unlike the experimental group the placebo group showed no change in PPT following its application. Pain perception is different in the lower and upper extremities and menthol-based analgesic reduced pain perception during DOMS.

Item Type: Thesis (Masters)
URI: http://research.library.mun.ca/id/eprint/15220
Item ID: 15220
Additional Information: Includes bibliographical references.
Keywords: Elbow flexors, Knee extensors, Topical analgesic, Eccentric exercise, Delayed onset muscle soreness
Department(s): Human Kinetics and Recreation, School of > Kinesiology
Date: September 2020
Date Type: Submission
Digital Object Identifier (DOI): https://doi.org/10.48336/166k-6158
Library of Congress Subject Heading: Myalgia; Pain perception; Analgesics--Effectiveness; Menthol--Effectiveness.

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