Effect of different isometric trunk extension intensities on the muscle stiffness of the lumbar and lower limbs
Yuting Zhang,
Mengtong Chen,
Hongxiu Liu
et al.
Abstract:Purpose: To investigate the effect of isometric prone trunk extension (IPTE) contraction intensity on the stiffness of erector spinae (ES), semitendinosus (ST), biceps femoris (BF), and gastrocnemius muscles to understand the overall muscle mechanical behavior during IPTE and to explore the mechanisms of oordinated contraction of the body kinetic chain.Methods: Twenty healthy females were recruited, and participants underwent IPTE at three contraction intensities, i.e., 0% maximum voluntary isometric contracti… Show more
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