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Related Concept Videos

Work

Work

Work is a fundamental concept of mechanical engineering and has many applications. Understanding how work is calculated and the different types of work can help us better understand physical processes and provide insights into complex problems.
Work is defined as the result of a force acting on an object, causing it to move along the line of action of force. It is also defined as the process of transferring energy through the application of force on an object, resulting in its displacement.

Work

Work

Work is done when energy is transferred from one object to another. In other words, work is when a force acts on something that undergoes a displacement from one position to another. Forces can vary as a function of position, and displacements can be along various paths between two points. The increment of work (dW) done by a force acting through an infinitesimal displacement can be defined as the dot product of force () and displacement () vectors.
The dot product can be expressed in terms of...

Classification of Illness

Classification of Illness

The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...

Design Example: Managing Concrete Workability

Design Example: Managing Concrete Workability

This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
To address...

Factors Affecting Workability

Factors Affecting Workability

The workability of concrete is a critical characteristic that influences the ease of mixing, handling, and finishing the concrete. It is affected by several factors including water content, aggregate properties, and admixtures like air entrainment. Water plays a fundamental role as it lubricates the concrete mix, facilitating easier movement and placement. However, the water requirement varies depending on the texture and shape of aggregates. Finer particles and angular, rough-textured...

Work and Energy for Variable Forces

Work and Energy for Variable Forces

When an object is acted upon by a variable force, the amount of work done and the change in energy of the object can be more complex to calculate compared to when a constant force is applied. Work is the product of force and displacement, while energy is the capacity of a system to do work. When a constant force is applied to an object, the work done can be calculated as the product of the force and the distance moved in the direction of the force. However, when a variable force is applied, the...

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Related Experiment Video

Updated: Jul 10, 2026

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement

Published on: July 1, 2015

[Back to work--how can this be achieved?].

R Meek¹, Ch Maurer, U Wandl

¹Medizinisch-berufskundlicher Beratungs- und Reintegrationsdienst ReIntra GmbH, Unterföhring bei München.

Therapeutische Umschau. Revue Therapeutique

|November 9, 2007

Summary

Consistent case management by private rehabilitation services can improve return-to-work rates for individuals with disabilities in Germany. This approach optimizes resource use and reduces financial burdens on businesses and social insurance.

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Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation

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Last Updated: Jul 10, 2026

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement

Mindfulness in Motion (MIM): An Onsite Mindfulness Based Intervention (MBI) for Chronically High Stress Work Environments to Increase Resiliency and Work Engagement

Published on: July 1, 2015

Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation

Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation

Published on: December 13, 2024

Area of Science:

Rehabilitation Medicine
Health Economics
Social Policy

Context:

Germany faces significant financial losses due to disability and reduced earning capacity.
Reintegrating individuals with impaired performance into the workforce presents considerable challenges.
Legislative reforms aim to enhance the efficiency of resource allocation in disability management.

Purpose:

To evaluate the effectiveness of consistent, start-to-finish case management in vocational rehabilitation.
To demonstrate how private rehabilitation services can achieve high success rates in return-to-work programs.
To inform policy and practice regarding resource optimization for individuals with disabilities.

Summary:

A case management model, delivered by private rehabilitation providers, is proposed for individuals with disabilities.
This model focuses on consistent, end-to-end support to facilitate return to work.
The approach is designed to maximize the efficiency of available resources in the German context.

Impact:

Potential to reduce financial costs for private businesses and social insurance providers in Germany.
Improved vocational reintegration outcomes for persons with impaired performance capacity.
Highlights the value of private sector involvement in delivering effective rehabilitation services.