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Related Concept Videos

Functional Classification of Joints01:09

Functional Classification of Joints

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Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses  or amphiarthroses, whereas all synovial joints are classified as diarthroses.
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Flail Chest-I01:24

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Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
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Flail Chest-II01:26

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Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
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Chest Physiotherapy01:24

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Chest Physiotherapy (CPT) is a therapeutic technique used in respiratory care to improve ventilation, clear bronchial secretions, and enhance the efficiency of respiratory muscles. This therapy includes three primary procedures: postural drainage, percussion, and vibration. It can be performed on spontaneously breathing patients and those who are intubated and mechanically ventilated.
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Kinematic Equations - I01:26

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When an object moves with constant acceleration, the velocity of the object changes at a constant rate throughout the motion. The kinematic equations of motions are derived for such cases where the acceleration of the object is constant. The first kinematic equation gives an insight into the relationship between velocity, acceleration, and time. We can see, for example:
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Related Experiment Video

Updated: Feb 15, 2026

3D Kinematic Analysis for the Functional Evaluation in the Rat Model of Sciatic Nerve Crush Injury
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Functional dynamic radiography with computer analysis-for physiological chest imaging and kinematic joint imaging.

Shigeru Sanada1

  • 1Graduate School of Health Sciences, Kanazawa University, Kanazawa, Japan.

Quantitative Imaging in Medicine and Surgery
|January 10, 2018
PubMed
Summary

A new digital radiography system offers physiological and functional insights for chest and joint imaging. This advanced X-ray flat-panel detector (FPD) system analyzes movement and function, aiding in early disease screening.

Keywords:
Functional dynamic radiography (fDR)autonomous imagingdynamic chest radiographyradiography navigation systemscreening examination

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Area of Science:

  • Medical Imaging
  • Radiography
  • Physiological Monitoring

Background:

  • Traditional radiography primarily offers anatomical information.
  • There is a need for imaging systems that provide functional and physiological data.
  • X-ray flat-panel detector (FPD) technology enables advanced imaging capabilities.

Purpose of the Study:

  • To develop and evaluate a functional digital radiography system.
  • To assess the system's ability to provide physiological and functional information for chest and joint examinations.
  • To explore the potential of this system in screening applications.

Main Methods:

  • Utilized an X-ray flat-panel detector (FPD) system for digital radiography.
  • Acquired sequential chest radiographs during inspiration and expiration to analyze diaphragmatic movement.
  • Assessed pixel value changes in localized lung areas for ventilation and circulation analysis.
  • Performed sequential radiographs of limb joints (wrist, shoulder, knee) during dynamic movements (flexion, extension, rotation) to analyze movement angles.

Main Results:

  • The developed system successfully provides physiological and functional information for chest and joints.
  • Diaphragmatic movements and lung ventilation/circulation were analyzed through sequential chest imaging.
  • Movement angles of limb joints were quantitatively analyzed during dynamic assessments.
  • The system demonstrated promising results for screening examinations, offering valuable physiological and functional data.

Conclusions:

  • The functional digital radiography system using an FPD is a promising tool for enhancing diagnostic capabilities.
  • The system provides quantitative physiological and functional information, complementing anatomical data from traditional radiography.
  • This technology holds significant potential for early disease detection and patient management through advanced screening.