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Lower leg muscle-tendon unit characteristics are related to marathon running performance.


ABSTRACT: The human ankle joint and plantar flexor muscle-tendon unit play an important role in endurance running. It has been assumed that muscle and tendon interactions and their biomechanical behaviours depend on their morphological and architectural characteristics. We aimed to study how plantar flexor muscle characteristics influence marathon running performance and to determine whether there is any difference in the role of the soleus and gastrocnemii. The right lower leg of ten male distance runners was scanned with magnetic resonance imagining. The cross-sectional areas of the Achilles tendon, soleus, and lateral and medial gastrocnemius were measured, and the muscle volumes were calculated. Additional ultrasound scanning was used to estimate the fascicle length of each muscle to calculate the physiological cross-sectional area. Correlations were found between marathon running performance and soleus volume (r?=?0.55, p?=?0.048), soleus cross-sectional area (r?=?0.57, p?=?0.04), soleus physiological cross-sectional area (PCSA-IAAF r?=?0.77, p?

SUBMITTER: Kovacs B 

PROVIDER: S-EPMC7578824 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Lower leg muscle-tendon unit characteristics are related to marathon running performance.

Kovács Bálint B   Kóbor István I   Gyimes Zsolt Z   Sebestyén Örs Ö   Tihanyi József J  

Scientific reports 20201021 1


The human ankle joint and plantar flexor muscle-tendon unit play an important role in endurance running. It has been assumed that muscle and tendon interactions and their biomechanical behaviours depend on their morphological and architectural characteristics. We aimed to study how plantar flexor muscle characteristics influence marathon running performance and to determine whether there is any difference in the role of the soleus and gastrocnemii. The right lower leg of ten male distance runner  ...[more]

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