Muscle Recording
Muscle Recording - Related Videos
10:00
Physiological Recordings of High and Low Output NMJs on the Crayfish Leg Extensor Muscle
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Cited by 13 •
2010
This article demonstrates how to conduct electrophysiological recordings of synaptic responses on the extensor muscle in the walking leg of a crayfish and how the nerve terminals are visualized to show the gross morphological differences of high- and low-output nerve terminals.
04:39
Wireless Surface Electromyography Recording of Facial Muscle Activity During Expressions
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2025
Source:Hila Man1, Paul F. Funk2, Ieva Vebraite-Adereth3, Christoph Anders4, Orlando Guntinas-Lichius2, Yael Hanein1,3,51Sagol School of Neuroscience, Tel Aviv University, 2Department of Otorhinolaryngology, Jena University Hospital, Friedrich-Schiller-University Jena, 3School of Electrical Engineering, Tel Aviv University, 4Division Motor Research, Pathophysiology and Biomechanics, Department of Trauma, Hand and Reconstructive Surgery, Jena University Hospital, Friedrich-Schiller-University...
07:29
Paired Patch Clamp Recordings from Motor-neuron and Target Skeletal Muscle in Zebrafish
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Cited by 17 •
2010
Larval zebrafish represent the first vertebrate model system to allow simultaneous patch clamp recording from a spinal motor-neuron and target skeletal muscle. This video demonstrates the microscopic methods used to identify a segmental CaP motor-neuron and target muscle cells as well as the methodologies for recording from each cell type.
08:13
Simultaneous Pre- and Post-synaptic Electrophysiological Recording from Xenopus Nerve-muscle Co-cultures
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Cited by 2 •
2013
This video demonstrates the procedures used to grow primary cultures of embryonic Xenopus nerve and muscle cells and the usefulness of this preparation for making simultaneous pre- and post-synaptic patch clamp recordings.
14:02
Ex Vivo Assessment of Contractility, Fatigability and Alternans in Isolated Skeletal Muscles
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Cited by 53 •
2012
We describe a method to directly measure muscle force, muscle power, contractile kinetics and fatigability of isolated skeletal muscles in an in vitro system using field stimulation. Valuable information on Ca2+ handling properties and contractile machinery of the muscle can be obtained using different stimulating protocols.
FAQs
Electrical recordings track voltage changes associated with muscle action potentials, whereas mechanical measurements show shortening, tension, or force. Using both types of data helps investigators connect excitation with the resulting physical response. This comparison can reveal whether altered muscle performance reflects changes in electrical activation, mechanical output, or the relationship between the two.
Excitation-contraction coupling describes the link between an electrical signal and the muscle’s mechanical response. Recording these events together allows researchers to examine how neural or electrical activation relates to force production or shortening. The approach is useful for identifying changes in the transition from activation to performance under different physiological conditions.
Responses may differ with the physiological conditions imposed on the preparation and with the type of stimulation used. Electrical measurements may change when action-potential activity changes, while mechanical traces may vary in shortening, tension, or force. Comparing recordings across conditions helps distinguish general muscle behavior from effects associated with a specific experimental situation.
The preparation determines whether investigators select electrodes, mechanical sensors, or both. Electrodes detect voltage changes linked to action potentials, while mechanical sensors quantify shortening, tension, or force during stimulation. Researchers can then align electrical and mechanical observations to evaluate muscle performance and relate cellular activity to the recorded physical response.
Researchers can apply the method when they need to examine how drugs or injury affect muscle activity and performance. Recordings provide measurable electrical or mechanical responses for comparison across experimental conditions. They also support investigation of movement disorders by helping connect altered muscle behavior with changes in motor control or whole-organism function.
In biology, recordings provide a bridge between neural signals, muscle performance, and behavior. Electrical activity can be considered alongside force or shortening to study motor control, while repeated responses can help examine muscle fatigue. This multilevel perspective links events in muscle tissue with movement and other outcomes observed at the whole-organism level.