Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Position-effect Variegation

Position-effect Variegation

In 1928, a German botanist Emil Heitz observed the moss nuclei with a DNA binding dye. He observed that while some chromatin regions decondense and spread out in the interphase nucleus, others do not. He termed them euchromatin and heterochromatin, respectively. He proposed that the heterochromatin regions reflect a functionally inactive state of the genome. It was later confirmed that heterochromatin is transcriptionally repressed, and euchromatin is transcriptionally active chromatin.

Position and Displacement

Position and Displacement

The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary set of axes from which the position and motion of an object are described. Earth is often used as a frame of reference, and we often describe the position of an object as it relates to stationary objects on Earth. For example, a rocket launch could be described in terms of the position of the rocket with respect to Earth as a whole. On the other...

Serial Position Effect

Serial Position Effect

The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...

Anatomical Positions

Anatomical Positions

In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...

Position Vectors

Position Vectors

A position vector is a fundamental concept in mathematics that helps determine the position of one point with respect to another point in space. It is a vector that describes the direction and distance between two points. Position vectors are highly useful in the field of math and science, as they help represent spatial relationships and make calculations easier.
For instance, we want to locate a point P(x, y, z) relative to the origin of coordinates O. In that case, we can define a position...

Positive, Negative, and Zero Work

Positive, Negative, and Zero Work

Work is done on an object when energy is transferred to the object. In other words, work is done when a force acts on a body that undergoes a displacement from one position to another. By definition, the work done by a force is the integral of the force with respect to the displacement along its path. Forces can vary as a function of position, and displacements can occur along various paths between two points. The magnitude of a force multiplied by the cosine of the angle that the force makes...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Eros and Thanatos of the new millennium: reflections on the relationship between a young man with Asperger's syndrome and an AI chatbot from the Italian forensic medical perspective.

La Clinica terapeutica·2026

Same author

Living with the Dead: Mad or Bad? Five paradigmatic cases of unprocessed grief.

La Clinica terapeutica·2026

Same author

Multinational analysis and comparison of dental resin composites for forensic purposes.

Forensic science international·2026

Same author

Manipulation of vulnerable person via transformation of volunteer service to religious proselytism: Case report and methodical approach.

Journal of forensic sciences·2025

Same author

Assessment of forensic medicine education impact on medical students' knowledge and specialisation attitudes: a multicenter analysis from Italian universities.

International journal of legal medicine·2024

Same author

The impact of SARS-Co-V pandemic on violence against children: one institution's experience.

Forensic science, medicine, and pathology·2024

Search research articles

Related Experiment Video

Updated: Jan 24, 2026

A Swine Model of Neonatal Asphyxia

A Swine Model of Neonatal Asphyxia

Published on: October 11, 2011

Positional asphyxia in a work-related fatality.

Lucia Tattoli¹, Niccolò Dino Melloni², Giancarlo Di Vella²

¹S.C. Medicina Legale U, A.O.U. Città della Salute e della Scienza di Torino, Corso Bramante 88/90, 10126, Torino, Italy. luciatattoli@libero.it.

Forensic Science, Medicine, and Pathology

|May 24, 2019

Summary

This summary is machine-generated.

Positional asphyxia, a rare cause of accidental death, occurs when body position impedes breathing. This case highlights a fatal work accident involving a farmer trapped in machinery.

Keywords:

Accident Positional asphyxia Scene investigation Work-related fatality

More Related Videos

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

Published on: January 13, 2023

A Rodent Model of The Ross Operation: Syngeneic Pulmonary Artery Graft Implantation in A Systemic Position

A Rodent Model of The Ross Operation: Syngeneic Pulmonary Artery Graft Implantation in A Systemic Position

Published on: April 1, 2022

Related Experiment Videos

Last Updated: Jan 24, 2026

A Swine Model of Neonatal Asphyxia

A Swine Model of Neonatal Asphyxia

Published on: October 11, 2011

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

A Piglet Perinatal Asphyxia Model to Study Cardiac Injury and Hemodynamics after Cardiac Arrest, Resuscitation, and the Return of Spontaneous Circulation

Published on: January 13, 2023

A Rodent Model of The Ross Operation: Syngeneic Pulmonary Artery Graft Implantation in A Systemic Position

A Rodent Model of The Ross Operation: Syngeneic Pulmonary Artery Graft Implantation in A Systemic Position

Published on: April 1, 2022

Area of Science:

Forensic Pathology
Occupational Health and Safety

Background:

Positional or postural asphyxia is defined as impaired respiration due to body positioning.
It is often associated with intoxication, disability, or restraint, leading to accidental death.

Observation:

A 42-year-old male farm worker was discovered deceased.
His upper body was trapped in a high-volume sprayer tank, with legs dangling.
Evidence of trauma included bruises, abrasions, cyanosis, and petechial hemorrhages.

Findings:

Autopsy revealed edematous lungs, consistent with asphyxia.
Toxicological analyses of bodily fluids were negative.
The cause of death was determined to be postural asphyxia, classified as a fatal occupational accident.

Implications:

Work-related postural asphyxia is infrequently documented.
Comprehensive scene investigation, autopsy, and toxicology are crucial for accident reconstruction.
These investigations aid in determining legal responsibilities in occupational fatalities.