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Related Concept Videos

Free-falling Bodies: Example01:05

Free-falling Bodies: Example

An object falling without any air resistance under the influence of gravitational force is said to be in free-fall. For free-falling bodies, the acceleration due to gravity is constant, irrespective of their mass. Free-fall is experienced not only by objects falling downward, but also by all objects whose motion is influenced by gravitational force alone. The dynamics of free-fall motion can be calculated using kinematic equations of motion, since free-fall acceleration is constant.
The...
Flail Chest-I01:24

Flail Chest-I

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.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
Free-falling Bodies: Introduction01:07

Free-falling Bodies: Introduction

All objects, neglecting air resistance, fall with the same acceleration towards the Earth's center due to the force exerted by the Earth's gravity. This experimentally determined fact is unexpected because we are so accustomed to the effects of air resistance and friction that we expect light objects to fall slower than heavier ones. People believed that a heavier object had a greater acceleration when falling until Galileo Galilei (1564–1642) proved otherwise. We now know this is not the case.
Burn Injuries01:22

Burn Injuries

Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
Pneumothorax-I01:26

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Flail Chest-II01:26

Flail Chest-II

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.
Assessment:
1. Clinical Evaluation:
History:

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Related Experiment Video

Updated: Jul 17, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

Injuries in Swedish skydiving.

Anton Westman1, Ulf Björnstig

  • 1Department of Surgical and Perioperative Sciences, Division of Surgery, Umeå University Hospital, SE-901 85 Umeå, Sweden. anton@worldwidewestman.com

British Journal of Sports Medicine
|January 17, 2007
PubMed
Summary

Preventing skydiving injuries is possible through targeted training and technical improvements. This study analyzed injury data to identify risk factors and inform prevention strategies for skydivers.

Area of Science:

  • Sports Medicine
  • Epidemiology
  • Aerospace Safety

Background:

  • Skydiving injuries pose a significant risk to participants.
  • Understanding injury patterns is crucial for developing effective prevention strategies.

Purpose of the Study:

  • To establish a foundation for preventing modern skydiving injuries.
  • To analyze injury data to identify key risk factors.

Main Methods:

  • Descriptive epidemiological study of all reported skydiving injury events in Sweden (1999-2003).
  • Data collected from the Swedish Parachute Association, supplemented by questionnaires and hospital records.
  • Assessment of human, equipment, and environmental factors contributing to risk.

Main Results:

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Method and Instrumented Fixture for Femoral Fracture Testing in a Sideways Fall-on-the-Hip Position
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Method and Instrumented Fixture for Femoral Fracture Testing in a Sideways Fall-on-the-Hip Position

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Last Updated: Jul 17, 2026

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06:52

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Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol
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Method and Instrumented Fixture for Femoral Fracture Testing in a Sideways Fall-on-the-Hip Position
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  • The incidence of non-fatal skydiving injuries was 48 per 100,000 jumps.
  • Lower extremities, spine, and shoulders were the most common injury regions.
  • While licensed skydivers sustained more severe injuries, student skydivers had higher injury rates and were more likely to discontinue the sport.

Conclusions:

  • A basis for injury prevention has been established.
  • Potential exists to reduce the frequency and severity of skydiving injuries.
  • Training and technical interventions are key to mitigating risks.