ArticleMuscle & nerve2013
Sarcomere lengths in human extensor carpi radialis brevis measured by microendoscopy.
Article in Muscle & nerve, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Unique morphological architecture of the hamstring muscles and its functional relevance revealed by analysis of isolated muscle specimens and quantification of structural parameters.Journal of anatomy · 2023Article
- Brachial plexus birth injury and cerebral palsy lead to a common contracture phenotype characterized by reduced functional muscle length and strength.Frontiers in rehabilitation sciences · 2022Article
- Sarcomere length of the vastus intermedius with the knee joint angle change.Physiological reports · 2021Article
- Modelling force-length-activation relationships of wrist and finger extensor muscles.Medical & biological engineering & computing · 2020Article
- Sarcomere Lengths Become More Uniform Over Time in Intact Muscle-Tendon Unit During Isometric Contractions.Frontiers in physiology · 2020Article
- The Interaction of Compliance and Activation on the Force-Length Operating Range and Force Generating Capacity of Skeletal Muscle: A Computational Study using a Guinea Fowl Musculoskeletal Model.Integrative organismal biology (Oxford, England) · 2019Article
- Soleus muscle weakness in cerebral palsy: Muscle architecture revealed with Diffusion Tensor Imaging.PloS one · 2019Article
- Single sarcomere contraction dynamics in a whole muscle.Scientific reports · 2018Article
- The Work of Titin Protein Folding as a Major Driver in Muscle Contraction.Annual review of physiology · 2018Review
- Skeletal muscle mechanics, energetics and plasticity.Journal of neuroengineering and rehabilitation · 2017Review
- Article
- Human soleus sarcomere lengths measured using in vivo microendoscopy at two ankle flexion angles.Journal of biomechanics · 2016Article
- Changes in sarcomere lengths of the human vastus lateralis muscle with knee flexion measured using in vivo microendoscopy.Journal of biomechanics · 2016Article
- Diagnosis and Treatment of` Spasticity and Stiff Muscles.EBioMedicine · 2016Article
- Mutation-specific effects on thin filament length in thin filament myopathy.Annals of neurology · 2016Article
- Stretching Your Energetic Budget: How Tendon Compliance Affects the Metabolic Cost of Running.PloS one · 2016Article
- In vivo Sarcomere Lengths and Sarcomere Elongations Are Not Uniform across an Intact Muscle.Frontiers in physiology · 2016Article
- Article
- Muscle quality in aging: a multi-dimensional approach to muscle functioning with applications for treatment.Sports medicine (Auckland, N.Z.) · 2015Review
- Use it or lose it: multiscale skeletal muscle adaptation to mechanical stimuli.Biomechanics and modeling in mechanobiology · 2015Review
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
introductionSecond-harmonic generation microendoscopy is a minimally invasive technique to image sarcomeres and measure their lengths in humans, but motion artifact and low signal have limited the use of this novel technique.
methodsWe discovered that an excitation wavelength of 960 nm maximized image signal; this enabled an image acquisition rate of 3 frames/s, which decreased motion artifact. We then used microendoscopy to measure sarcomere lengths in the human extensor carpi radialis brevis with the wrist at 45° extension and 45° flexion in 7 subjects. We also measured the variability in sarcomere lengths within single fibers.
resultsAverage sarcomere lengths in 45° extension were 2.93±0.29 μm (±SD) and increased to 3.58±0.19 μm in 45° flexion. Within single fibers the standard deviation of sarcomere lengths in series was 0.20 μm.
conclusionsMicroendoscopy can be used to measure sarcomere lengths at different body postures. Lengths of sarcomeres in series within a fiber vary substantially.
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