81 results found
    1. Neuroscience

    The identification of extensive samples of motor units in human muscles reveals diverse effects of neuromodulatory inputs on the rate coding

    Simon Avrillon, François Hug ... Dario Farina
    Motor units within a pool exhibit distinct rate coding as force levels change, highlighting how gain control can transform inputs with limited bandwidth into the desired muscle force.
    1. Physics of Living Systems

    Residual force enhancement is affected more by quadriceps muscle length than stretch amplitude

    Patrick Bakenecker, Tobias Weingarten ... Brent Raiteri
    Increasing muscle length, rather than increasing stretch amplitude, contributes more to residual force enhancement during submaximal voluntary contractions of the human quadriceps.
    1. Neuroscience

    I-Spin live, an open-source software based on blind-source separation for real-time decoding of motor unit activity in humans

    Julien Rossato, François Hug ... Simon Avrillon
    I-Spin enables researchers to decode motor unit firings from surface and intramuscular electromyographic signals in real time.
    1. Neuroscience

    The control and training of single motor units in isometric tasks are constrained by a common input signal

    Mario Bräcklein, Deren Yusuf Barsakcioglu ... Dario Farina
    Humans trained to flexibly control individual motor units within a muscle do not naturally learn to gain control over recruitment order.
    1. Physics of Living Systems
    2. Structural Biology and Molecular Biophysics

    Myosin-based regulation of twitch and tetanic contractions in mammalian skeletal muscle

    Cameron Hill, Elisabetta Brunello ... Malcolm Irving
    The physiological contraction of skeletal muscle is controlled by structural changes in the thick filaments, establishing a new paradigm for developing potential treatments for muscle weakness.
    1. Physics of Living Systems

    Muscle-specific economy of force generation and efficiency of work production during human running

    Sebastian Bohm, Falk Mersmann ... Adamantios Arampatzis
    During human running, the soleus muscle was found to operate as work generator under optimal conditions for work production (high force-length potential and enthalpy efficiency) while the vastus lateralis promoted tendon energy storage and economical force generation (high force-length-velocity potential).
    1. Cell Biology

    Prolonged cross-bridge binding triggers muscle dysfunction in a Drosophila model of myosin-based hypertrophic cardiomyopathy

    William A Kronert, Kaylyn M Bell ... Sanford I Bernstein
    Integrative analysis of a Drosophila model of hypertrophic cardiomyopathy demonstrates that prolonged binding of the myosin cross-bridge to actin is a root cause of the disorder.
    1. Cell Biology
    2. Physics of Living Systems

    Graded titin cleavage progressively reduces tension and uncovers the source of A-band stability in contracting muscle

    Yong Li, Anthony L Hessel ... Wolfgang A Linke
    Elastic forces generated by the giant protein titin define both passive and active tension of skeletal muscle fibers and protect the sarcomeric myosin filaments from severe disruption during contraction.
    1. Neuroscience

    Pupal behavior emerges from unstructured muscle activity in response to neuromodulation in Drosophila

    Amicia D Elliott, Adama Berndt ... Benjamin H White
    The elementary units of a fruit fly behavioral sequence are described at single-muscle resolution and shown to exhibit variability that is subject to neuromodulatory regulation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    N-terminal domain on dystroglycan enables LARGE1 to extend matriglycan on α-dystroglycan and prevents muscular dystrophy

    Hidehiko Okuma, Jeffrey M Hord ... Kevin P Campbell
    N-terminal domain of dystroglycan enables like-acetylglucosaminyl transferase to elongate matriglycan on α-dystroglycan and prevent skeletal muscle pathophysiology.

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