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Related Concept Videos

Three-Dimensional Force System01:30

Three-Dimensional Force System

In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
Two-Dimensional Force System01:20

Two-Dimensional Force System

A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved into its components as:
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
Force Classification01:22

Force Classification

Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
Assessment of the Mouth01:26

Assessment of the Mouth

A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...

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Assessment of Midline Lingual Point-Pressure Somatosensation Using Von Frey Hair Monofilaments
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Lingual force detection system.

Amit Sangave1, Thomas Manuccia, Matthew Kay

  • 1Department of Electrical and Computer Engineering, The George Washington University, DC 20052 USA. asangave@gmail.com

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|January 24, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces a new device to measure tongue force and endurance, aiding in diagnosing swallowing and speech disorders. The system quantifies tongue function at multiple points, offering a novel approach to rehabilitation planning.

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Area of Science:

  • Biomedical Engineering
  • Speech-Language Pathology
  • Biomechanics

Background:

  • Tongue function is critical for swallowing and speech.
  • Impaired tongue function can lead to severe communication and eating difficulties.
  • Quantitative measurement of tongue force has been limited.

Purpose of the Study:

  • To develop a novel device for quantitatively measuring tongue force and endurance.
  • To provide a tool for objective assessment of tongue function.
  • To aid in the diagnosis and treatment planning for speech and swallowing disorders.

Main Methods:

  • Development of a device with six highly sensitive sensors embedded in two mouthguards.
  • Sensors positioned at strategic points to measure tongue force independently.
  • Data acquisition and analysis using National Instruments' ELVIS system and LabVIEW software.

Main Results:

  • The device successfully measures tongue force and endurance at six distinct locations.
  • Sensors ensure reliable contact using stainless steel backing and silicone rubber pucks.
  • A user-friendly interface facilitates data output and analysis.

Conclusions:

  • The developed system offers a quantitative method for assessing tongue function.
  • This technology can serve as a crucial first step in diagnosing tongue weakness.
  • Future studies will compare patient data with control data to pinpoint functional deficits for targeted therapy.