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Related Concept Videos

Cellular Injury I: Introduction01:00

Cellular Injury I: Introduction

Cellular injury occurs when a cell cannot maintain homeostasis or adapt to stressors such as hypoxia, toxins, or trauma. Depending on severity and duration, injury may be reversible, allowing recovery, or irreversible, leading to cell death.General Mechanisms of Cell InjuryAlthough causes vary, most cellular injuries arise from a few key mechanisms that disrupt essential functions and often amplify one another. Cell survival depends on the extent and balance of these disturbances.ATP depletion...
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...
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...
Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

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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Related Experiment Video

Updated: Jun 9, 2026

A Multi-Modal Approach to Assessing Recovery in Youth Athletes Following Concussion
10:31

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Injuries in Netball-A Systematic Review.

Christopher Downs1,2, Suzanne J Snodgrass1,2, Ishanka Weerasekara1,3

  • 1School of Health Sciences, University of Newcastle, Newcastle, NSW, Australia.

Sports Medicine - Open
|January 7, 2021
PubMed
Summary
This summary is machine-generated.

Netball injuries are common, especially to the ankle and knee. Further research on recreational players using standardized methods is needed for effective prevention strategies.

Keywords:
Ankle injuriesEpidemiologyInjuriesKnee injuriesNetballSportSystematic review

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Area of Science:

  • Sports Medicine
  • Biomechanics
  • Public Health

Background:

  • Netball is a popular global sport with over 20 million players.
  • High incidence of injuries in netball necessitates understanding injury patterns.
  • Effective injury prevention requires knowledge of netball injury types and risk factors.

Conclusions:

  • Prioritize prevention of ankle and knee injuries in netball.
  • Future research should focus on recreational netball with standardized methodologies.
  • Improved injury diagnosis and understanding of injury mechanisms are crucial for prevention.