{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T15:10:14Z","timestamp":1788361814800,"version":"build-2803163510"},"reference-count":25,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2022,11,17]],"date-time":"2022-11-17T00:00:00Z","timestamp":1668643200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Grant Agency of Charles University","award":["PRIMUS\/22\/HUM\/019"],"award-info":[{"award-number":["PRIMUS\/22\/HUM\/019"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>This study aimed to investigate the impact of Achilles tendon (AT) mechanical percussion massage (PM) on the passive stiffness of that tendon and subsequent drop jump kinematics. Eleven physically active participants performed two conditions in random order: (i) 60 s of PM applied to each AT (EXP) and (ii) no PM (CTRL). Measurements were performed 5 min before, immediately after, and 5 min following the completion of the PM. In the CTRL, measurements were performed at the same time point but no massage was applied. The two-way ANOVA indicated that there was no statistically significant interaction effect on contact time (p = 0.786), reactive strength index (p = 0.914), and relative peak power (p = 0.896). However, a statistically significant interaction on peak velocity (p = 0.046) and jump height (p = 0.03) was found. Despite that, there was no significant post-hoc comparisons for jump height, it slightly decreased 5 min post-PM (p = 0.136; ES = \u22120.25; \u0394 = \u22123.1%) compared with the CTRL condition (p = 1.00; ES = 0.11; \u0394 = +1.5%). Friedman\u2019s test did not show significant differences in dominant (p = 0.073) and non-dominant limb (p = 0.091) AT stiffness. Although not significant, numerically, the dominant limb AT (p = 0.126; ES = \u22120.64; \u0394 = \u22127.8%) had a larger reduction in stiffness immediately post-PM compared with the non-dominant limb (p = 0.294; ES = \u22120.26; \u0394 = \u22123.6%). The results of this study indicated the temporary effect of PM on the reduction in tissue stiffness. Moreover, these findings show that a mechanical PM might slightly hinder subsequent explosive athletic performance.<\/jats:p>","DOI":"10.3390\/ijerph192215187","type":"journal-article","created":{"date-parts":[[2022,11,18]],"date-time":"2022-11-18T03:31:10Z","timestamp":1668742270000},"page":"15187","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Acute Effects of Percussive Massage Treatment on Drop Jump Performance and Achilles Tendon Stiffness"],"prefix":"10.3390","volume":"19","author":[{"given":"Patryk","family":"Szymczyk","sequence":"first","affiliation":[{"name":"Nutrition and Sports Performance Research Group, The Jerzy Kukuczka Academy of Physical Education in Katowice, 40-065 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kamil","family":"W\u0119grzynowicz","sequence":"additional","affiliation":[{"name":"Nutrition and Sports Performance Research Group, The Jerzy Kukuczka Academy of Physical Education in Katowice, 40-065 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Trybulski","sequence":"additional","affiliation":[{"name":"Provita Zory Medical Center, 44-240 Zory, Poland"},{"name":"Department of Medical Sciences, The Wojciech Korfanty School of Economics, 40-659 Katowice, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9934-6911","authenticated-orcid":false,"given":"Micha\u0142","family":"Spieszny","sequence":"additional","affiliation":[{"name":"Institute of Sports Sciences, University of Physical Education in Krakow, 31-571 Krak\u00f3w, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paulina","family":"Ewertowska","sequence":"additional","affiliation":[{"name":"Department of Physical Culture, Gdansk University of Physical Education and Sport, 80-336 Gda\u0144sk, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5799-6337","authenticated-orcid":false,"given":"Micha\u0142","family":"Wilk","sequence":"additional","affiliation":[{"name":"Institute of Sport Sciences, The Jerzy Kukuczka Academy of Physical Education in Katowice, 40-065 Katowice, Poland"},{"name":"Faculty of Physical Education and Sport, Charles University, 162 52 Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2797-8431","authenticated-orcid":false,"given":"Micha\u0142","family":"Krzysztofik","sequence":"additional","affiliation":[{"name":"Institute of Sport Sciences, The Jerzy Kukuczka Academy of Physical Education in Katowice, 40-065 Katowice, Poland"},{"name":"Faculty of Physical Education and Sport, Charles University, 162 52 Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"766","DOI":"10.26603\/001c.23530","article-title":"Mechanical Percussion Devices: A Survey of Practice Patterns Among Healthcare Professionals","volume":"16","author":"Cheatham","year":"2021","journal-title":"Int. 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