Evidence map›Paper›PMID 34797438›Full record

ArticleEuropean journal of applied physiology2022

Passive and active muscle elasticity of medial gastrocnemius is related to performance in sprinters.

Kazuhiko Yamazaki, Kakeru Inoue, Naokazu Miyamoto

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Article in European journal of applied physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

Who cites it

15 citing papers in PubMed.

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5 · Who and what money

Authors and funding

3 authors.

Kazuhiko YamazakiGraduate School of Health and Sports Science, Juntendo University, 1-1 Hiraka-gakuendai, Inzai, Chiba, 270-1695, Japan.
Kakeru InoueGraduate School of Health and Sports Science, Juntendo University, 1-1 Hiraka-gakuendai, Inzai, Chiba, 270-1695, Japan.
Naokazu MiyamotoGraduate School of Health and Sports Science, Juntendo University, 1-1 Hiraka-gakuendai, Inzai, Chiba, 270-1695, Japan. n-miyamoto@juntendo.ac.jp.ORCID http://orcid.org/0000-0002-6023-7574

Funding

Japan Society for the Promotion of Science JP19H04005
6 · The paper itself

Abstract

purposeLimited information is available on the association between muscle material properties and sprint performance. We aimed to identify whether and how the elasticity of passive and active muscle of the medial gastrocnemius (MG) is related to sprint performance.

methodsMG shear wave speed was measured under passive and active (20%, 50%, 80% of maximal voluntary contraction [MVC]) conditions, with ultrasound shear wave elastography, in 18 male sprinters. Passive and active ankle joint stiffness was assessed by applying a short-range fast stretch during 0%, 20%, 50%, and 80% MVC of plantar flexion. Additionally, rate of torque development (RTD) during explosive plantar flexion was measured.

resultsPassive and active MG shear wave speed was negatively correlated with 100-m race time. Passive MG shear wave speed was positively correlated with RTD, and RTD was negatively correlated with 100-m race time. MG shear wave speed at 50% and 80% MVC showed a positive correlation with ankle joint stiffness at the corresponding contraction level, and ankle joint stiffness at 50% and 80% MVC showed negative correlations with 100-m race time. These correlations were significant even after controlling for MVC torque.

conclusionOur findings indicate that passive and active muscle elasticity of plantar flexor is important to achieve superior sprint performance. Specifically, high elasticity of passive MG could be related to superior sprint performance through high explosive torque production. In contrast, high elasticity of active MG at moderate-to-high intensity is likely related to high sprint performance through high ankle joint stiffness.

Indexed as

Elasticity Imaging TechniquesAthletic PerformanceHumansLower ExtremityMaleMuscle ContractionMuscle, SkeletalRunningTorqueYoung AdultElastographyJoint stiffnessMaterial propertyRate of torque developmentShear wave speed

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.