Balance Beam Test
Balance Beam Test - Related Videos
07:03
Assessment of Motor Balance and Coordination in Mice using the Balance Beam
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Cited by 395 •
2011
Deficits in fine motor coordination can be assessed with the balance beam test. Performance on the beam is quantified by the speed at which the beam is traversed and the number of times the mouse slips on the beam.
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Balance and Coordination Testing
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2023
Balance and coordination are critical components involved in the control of movement. Many sensory receptors and neural processing units are required to help individuals maintain balance while performing various activities. Deficits in balance and coordination occur in patients suffering from movement disorders or due to aging. Therefore, scientists are trying to understand the pathophysiology behind these conditions. One way to do that is by using rodent models and testing them on behavioral...
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Focused Ion Beams
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2023
Source: Sina Shahbazmohamadi and Peiman Shahbeigi-Roodposhti-Roodposhti, School of Engineering, University of Connecticut, Storrs, CT As electron microscopes become more complex and widely used in research labs, it becomes more of a necessity to introduce their capabilities. Focused ion beam (FIB) is an instrument that can be employed in order to fabricate, trim, analyze and characterize materials on mico- and nano-scales in a wide variety of fields from nano-electronics to medicine. FIB...
02:58
Balancing Redox Equations
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2020
Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or redox reactions. These important reactions are defined by changes in oxidation states for one or more reactant elements and include a subset of reactions involving the transfer of electrons between reactant species. Electrochemistry as a field has evolved to yield sufficient insights on the fundamental principles of redox chemistry and multiple...
01:30
Beams
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2023
Beams are integral components of structural engineering and construction, designed to support loads applied at various points along their length. These long, straight members can be classified based on geometry, cross-section, support type, and equilibrium condition. Based on geometry, beams can be straight, tapered, or curved. Straight beams are the most common type and have a constant cross-section throughout their length. Tapered beams, on the other hand, have a varying cross-section along...
FAQs
These measures capture complementary failures during the same crossing. Traversal time reflects how efficiently the animal completes the task, whereas foot slips indicate inaccurate limb placement or unstable support. Falls represent a more severe loss of postural control. Considering the measures together helps distinguish slowed, poorly coordinated, and substantially impaired movement.
A restricted walking surface reduces the margin for correcting posture and placing each limb safely. Successful crossing therefore requires continuous coordination between balance maintenance and skilled locomotion. This challenge can expose abnormalities in motor control that may be less apparent during less demanding movement, making the task useful for examining altered neural pathways.
The assay is sensitive to motor consequences associated with brain injury, neurodegenerative disease, cerebellar dysfunction, and altered motor pathways. These conditions may disrupt the coordination required to maintain posture and move across the beam. Changes in crossing performance can therefore connect observable behavior with broader abnormalities in neural systems controlling balance and movement.
A single outcome may not describe the full pattern of impairment. An animal can take longer to cross, make frequent foot slips, or fall, and these results represent different degrees or features of disrupted coordination. Combining the recorded variables provides a more informative behavioral profile of balance, posture, and skilled locomotion.
During a trial, the animal crosses the narrow elevated beam while researchers monitor performance. The principal recorded outcomes are traversal time, foot slips, and falls. These observations convert the animal’s ability to maintain posture and coordinate limb movements into measurable behavioral data that can be compared across experimental conditions.
Researchers can apply the test when they need a behavioral measure of coordinated movement, balance, or motor recovery. It supports evaluation of deficits after brain injury, in neurodegenerative disease or cerebellar dysfunction, and during studies of treatment efficacy. Repeated performance measurements can also help reveal changes associated with neural recovery.