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Open AccessArticle

Effects of an Initial Muscle Strength Level on Sports Performance Changes in Collegiate Soccer Players

1
Center of Excellence for Sport Science and Coach Education, East Tennessee State University, Johnson City, TN 37614, USA
2
Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, 20129 Milan, Italy
*
Author to whom correspondence should be addressed.
Sports 2020, 8(9), 127; https://doi.org/10.3390/sports8090127
Received: 8 August 2020 / Revised: 4 September 2020 / Accepted: 11 September 2020 / Published: 15 September 2020
(This article belongs to the Special Issue Physical Performance of Collegiate or College-Aged Athletes)
The purposes of this study were to investigate effects of partial block periodized strength training on physical performance and to examine relationships between initial muscle strength measured with isometric mid-thigh pull (IMTP) and performance changes after 7 weeks of strength training. Seventeen collegiate male soccer players participated. Initial muscle strength was determined using IMTP while physical performance included 10 m and 20 m sprints and static vertical jump with a polyvinyl chloride pipe (SJ0), 20 kg barbell (SJ20), and barbell loaded to 40 kg bar (SJ40). Performance testing was performed at three points: before first week (baseline), fourth week (T1), and seventh week (T2). Statistically small to moderate changes were found from baseline to T2 in peak power (PP; p < 0.001, ES = 0.49), net impulse (NI; p < 0.001, ES = 0.49), peak velocity (PV; p < 0.001, ES = 0.62), allometrically scaled PP (PPa; p < 0.001, ES = 0.62) in SJ20 and jump height (JH) in SJ40 (p < 0.001, ES = 0.36). Moderate to large correlations were found between isometric peak force and the changes from baseline to T2 in SJ20 PP (p = 0.04, r = −0.49), SJ20 PF (p = 0.03, r = −0.52), PPa (p = 0.04, r = −0.50), and SJ20 allometrically scaled peak force (p = 0.04, r = −0.49). Properly structured strength training maximizes task-specific physical performance. Initial muscle strength negatively affects the magnitudes of adaptations to physical performance. View Full-Text
Keywords: collegiate sports; athlete monitoring; block periodization; specificity; strength training collegiate sports; athlete monitoring; block periodization; specificity; strength training
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MDPI and ACS Style

Ishida, A.; Rochau, K.; Findlay, K.P.; Devero, B.; Duca, M.; Stone, M.H. Effects of an Initial Muscle Strength Level on Sports Performance Changes in Collegiate Soccer Players. Sports 2020, 8, 127. https://doi.org/10.3390/sports8090127

AMA Style

Ishida A, Rochau K, Findlay KP, Devero B, Duca M, Stone MH. Effects of an Initial Muscle Strength Level on Sports Performance Changes in Collegiate Soccer Players. Sports. 2020; 8(9):127. https://doi.org/10.3390/sports8090127

Chicago/Turabian Style

Ishida, Ai; Rochau, Kyle; Findlay, Kyle P.; Devero, Brandon; Duca, Marco; Stone, Michael H. 2020. "Effects of an Initial Muscle Strength Level on Sports Performance Changes in Collegiate Soccer Players" Sports 8, no. 9: 127. https://doi.org/10.3390/sports8090127

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