Mouse Muscle
Mouse Muscle - Related Videos
03:26
Measuring Compound Muscle Action Potentials in Mouse Forelimb Muscles In Vivo
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2025
This video demonstrates an in vivo technique for measuring compound muscle action potential (CMAP) in mice. It outlines the steps for setting up electrodes, stimulating forelimb neurons that innervate muscle fibers, and recording muscle responses. The technique assesses neuronal demyelination and functional neuron loss.
07:19
The Mouse Cremaster Muscle Preparation for Intravital Imaging of the Microcirculation
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Cited by 46 •
2011
A tissue preparation is described for visualization and experimental manipulation of the living microcirculation. In anesthetized male mice, the thin, highly vascularized cremaster muscle is prepared for intravital microscopy to study microvascular networks including arterioles, capillaries and venules. This preparation is readily adapted for rats and hamsters.
09:07
Electrophysiological Motor Unit Number Estimation (MUNE) Measuring Compound Muscle Action Potential (CMAP) in Mouse Hindlimb Muscles
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Cited by 86 •
2015
We present refined protocols that allow in vivo monitoring of motor unit function in the mouse. Techniques to measure compound muscle action potential (CMAP) and motor unit number estimation (MUNE) in the mouse hind limb muscles innervated by the sciatic nerve are described.
10:07
Isolation of Type I and Type II Pericytes from Mouse Skeletal Muscles
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Cited by 11 •
2017
This work describes a FACS-based protocol that allows for easy and simultaneous isolation of type I and type II pericytes from skeletal muscles.
09:24
Repeated Measurement of Respiratory Muscle Activity and Ventilation in Mouse Models of Neuromuscular Disease
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Cited by 8 •
2017
This paper introduces a method for repeated measurements of ventilation and respiratory muscle activity in a freely behaving amyotrophic lateral sclerosis (ALS) mouse model throughout disease progression with whole-body plethysmography and electromyography via an implanted telemetry device.
FAQs
A motor nerve signal triggers calcium release inside a skeletal muscle fiber. The increased calcium availability permits interactions between actin and myosin filaments, producing filament sliding and contraction. This sequence links nervous-system activity to force generation and provides a basis for examining how neuromuscular signaling affects movement and muscle performance in biological studies.
Actin and myosin are the interacting filaments that convert calcium-regulated activation into mechanical force. Their sliding changes the length and tension of the muscle fiber, allowing contraction rather than merely electrical or chemical signaling. Studying this filament-based mechanism helps researchers connect molecular events within fibers to posture, movement, and whole-organism performance.
Repeated muscle activity can influence growth, repair, and adaptation, so researchers can examine muscle as a tissue that changes in response to functional demands. These outcomes extend beyond a single contraction and help relate ongoing activity to biological remodeling. Such studies are relevant to exercise physiology, tissue regeneration, and investigations of muscular disorders.
Mouse muscle can be examined through genetic, cellular, and functional analyses, allowing investigators to study related questions at different biological scales. Molecular or cellular observations can therefore be considered alongside muscle performance and organism-level outcomes. This combination makes the mouse a useful vertebrate model for testing how underlying mechanisms relate to movement, metabolism, and disease-related changes.
Studies commonly use mouse muscle to investigate neuromuscular function, exercise physiology, muscular disorders, metabolism, and tissue regeneration. These areas reflect distinct but connected questions about signaling, activity, disease, energy-related biology, and repair. The model is especially valuable when researchers need to relate changes in muscle tissue to functional consequences in the animal.
A research program may combine genetic analysis to examine inherited or experimentally introduced influences, cellular analysis to investigate events within muscle tissue, and functional analysis to assess biological performance. Using these perspectives together helps distinguish mechanisms from outcomes. The resulting evidence can connect muscle-level changes with broader findings in vertebrate biology and whole-organism function.