ArticleScientific reports2020
Considerations on the human Achilles tendon moment arm for in vivo triceps surae muscle-tendon unit force estimates.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Muscle Moment Arm-Joint Angle Relations in the Hip, Knee, and Ankle: A Visualization of Datasets.Annals of biomedical engineering · 2025Pooled it
- The stretch-shortening cycle effect is not associated with cortical or spinal excitability modulations.The Journal of physiology · 2025Article
- Decoupling of muscle-tendon unit and fascicle velocity contributes to the in vivo stretch-shortening cycle effect in the male human triceps surae muscle.Physiological reports · 2024Article
- A comparison of lower body gait kinematics and kinetics between Theia3D markerless and marker-based models in healthy subjects and clinical patients.Scientific reports · 2024Article
- Reference measures of lower-limb joint range of motion, muscle strength, and selective voluntary motor control of typically developing children aged 5-17 years.Journal of children's orthopaedics · 2024Article
- Achilles tendon compliance influences tendon loading more than Achilles tendon twist in Achilles tendinopathy: a musculoskeletal modeling approach.Frontiers in bioengineering and biotechnology · 2024Article
- Tendon compliance and preload must be considered when determining the in vivo force-velocity relationship from the torque-angular velocity relation.Scientific reports · 2023Article
- How do differences in Achilles' tendon moment arm lengths affect muscle-tendon dynamics and energy cost during running?Frontiers in sports and active living · 2023Article
- Residual force enhancement in humans: Is there a true non-responder?Physiological reports · 2021Article
- Passive Mechanical Properties of Human Medial Gastrocnemius and Soleus Musculotendinous Unit.BioMed research international · 2021Article
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Abstract
Moment arm-angle functions (MA-a-functions) are commonly used to estimate in vivo muscle forces in humans. However, different MA-a-functions might not only influence the magnitude of the estimated muscle forces but also change the shape of the muscle's estimated force-angle relationship (F-a-r). Therefore, we investigated the influence of different literature based Achilles tendon MA-a-functions on the triceps surae muscle-tendon unit F-a-r. The individual in vivo triceps torque-angle relationship was determined in 14 participants performing maximum voluntary fixed-end plantarflexion contractions from 18.3° ± 3.2° plantarflexion to 24.2° ± 5.1° dorsiflexion on a dynamometer. The resulting F-a-r were calculated using 15 literature-based in vivo Achilles tendon MA-a-functions. MA-a-functions affected the F-a-r shape and magnitude of estimated peak active triceps muscle-tendon unit force. Depending on the MA-a-function used, the triceps was solely operating on the ascending limb (n = 2), on the ascending limb and plateau region (n = 12), or on the ascending limb, plateau region and descending limb of the F-a-r (n = 1). According to our findings, the estimated triceps muscle-tendon unit forces and the shape of the F-a-r are highly dependent on the MA-a-function used. As these functions are affected by many variables, we recommend using individual Achilles tendon MA-a-functions, ideally accounting for contraction intensity-related changes in moment arm magnitude.
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