What does this research mean for the field?

High strain rates and improper stimulation timing during eccentric contraction significantly alter the biomechanical properties of muscle-tendon bundles, leading to increased stiffness and a higher risk of tendon rupture and muscle injury. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

April 28, 2023Open Access

Eccentric contraction response of stimulated skeletal muscle fascicle at the various strain rates and stimulation timing

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Why the study?

Muscle injuries commonly occur during eccentric contraction, and factors such as strain and strain rate influence injury severity, prompting evaluation of their interaction on the biomechanical properties of muscle-tendon bundles.

Population

Over 150 frog muscle-tendon samples

Comparison

Strain rates from 0.01 to 300 s -1 with varying stimulation timing vs unstimulated muscle bundles

Design

Biomechanical experimental study

Authors

DTDat Trong Tran LTLiren TsaiNational Kaohsiung First University of Science and Technology

Discussion

Member takes

Implication

May warrant caution during high-velocity loading; leaves open translation to human injury models.

Structured PICO

Population

Over 150 frog muscle-tendon samples

Intervention

Eccentric contraction at various strain rates ranging from 0.01 to 300 s^-1 and different stimulation timings

Comparator

Unstimulated muscle bundles

Outcome

Biomechanical properties including maximum stress, Young's modulus, and fracture strainsurrogate

High strain rates and improper stimulation timing significantly alter the biomechanical properties of muscle-tendon bundles, increasing the likelihood of tendon rupture and muscle injury.

Cite This Study

Tran et al. (2023) studied this question.

synapsesocial.com/papers/6a1025c52badbc352aff6899 https://doi.org/10.1101/2023.04.26.538494

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April 28, 2023Open Access

Eccentric contraction response of stimulated skeletal muscle fascicle at the various strain rates and stimulation timing

View Full Paper

Ask AI

Bookmark

Why the study?

Population

Over 150 frog muscle-tendon samples

Comparison

Strain rates from 0.01 to 300 s -1 with varying stimulation timing vs unstimulated muscle bundles

Design

Biomechanical experimental study

Authors

DTDat Trong Tran LTLiren TsaiNational Kaohsiung First University of Science and Technology

Discussion

Member takes

Implication

May warrant caution during high-velocity loading; leaves open translation to human injury models.

Structured PICO

Population

Over 150 frog muscle-tendon samples

Intervention

Eccentric contraction at various strain rates ranging from 0.01 to 300 s^-1 and different stimulation timings

Comparator

Unstimulated muscle bundles

Outcome

Biomechanical properties including maximum stress, Young's modulus, and fracture strainsurrogate

High strain rates and improper stimulation timing significantly alter the biomechanical properties of muscle-tendon bundles, increasing the likelihood of tendon rupture and muscle injury.

Cite This Study

Tran et al. (2023) studied this question.

synapsesocial.com/papers/6a1025c52badbc352aff6899 https://doi.org/10.1101/2023.04.26.538494

Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

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