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Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
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Burn Injuries

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Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
Cellular Injury II: Classification01:21

Cellular Injury II: Classification

Cellular injury is any process that disrupts a cell’s ability to maintain homeostasis, leading to structural or functional changes. It is broadly classified based on etiology (cause) and mechanism of damage.Classification by EtiologyCellular injury may result from several causes. Hypoxic injury happens due to reduced oxygen delivery, most commonly from inadequate blood supply, such as arterial obstruction; for example, coronary artery thrombosis can cause myocardial infarction. Chemical injury...
Cellular Injury I: Introduction01:00

Cellular Injury I: Introduction

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Secondary Spinal Cord Injury llI: Pathophysiology01:25

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Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...

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Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton
09:46

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Published on: June 16, 2016

Work injuries and disability.

Finn Tüchsen1, Karl Bang Christensen, Helene Feveile

  • 1National Research Centre for Working Environment, Lersø Parkallé 105, Copenhagen Ø, Denmark. ftu@nrcwe.dk

Journal of Safety Research
|March 17, 2009
PubMed
Summary
This summary is machine-generated.

A work injury significantly increases men's risk of disability pension retirement (DPR). This study found a 1.80 hazard ratio for DPR among men who experienced a work injury, highlighting a critical link between workplace safety and long-term financial security.

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Area of Science:

  • Occupational health
  • Public health
  • Epidemiology

Background:

  • Work-related injuries are a significant concern in occupational health.
  • Understanding the long-term consequences of work injuries is crucial for public health policy.
  • Disability pension retirement (DPR) impacts individuals and socioeconomic systems.

Purpose of the Study:

  • To estimate the hazard ratio (HR) for disability pension retirement (DPR) following a work injury.
  • To determine the fraction of DPR attributable to work injuries.
  • To investigate sex-specific associations between work injuries and DPR.

Main Methods:

  • A national survey followed 4,217 men and 4,105 women.
  • Data included work injury history and subsequent DPR.
  • Statistical analysis controlled for age, lifestyle factors, and physical demands.

Main Results:

  • Work injury was a strong predictor of DPR in men (HR: 1.80, 95% CI: 1.20-2.68).
  • No significant association between work injury and DPR was found in women.
  • The study controlled for potential confounding factors like smoking and BMI.

Conclusions:

  • Reportable work injuries are a significant risk factor for subsequent DPR in men.
  • Findings underscore the importance of workplace injury prevention for men's long-term economic well-being.
  • Further research may explore reasons for the sex disparity in this association.