Related Experiment Video
Updated: Jul 4, 2026

07:40
Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices
Published on: March 10, 2023
Work organisation constructs and ergonomic outcomes among European forest machine operators
Jan Johansson Hanse1, Jørgen Winkel
1Department of Psychology, University of Gothenburg, Sweden. jan.johansson.hanse@psy.gu.se
Ergonomics
|June 24, 2008
Summary
Work organization factors like job rotation significantly impact forest machine operators
Area of Science:
- Ergonomics
- Occupational Health
- Forestry Operations
Background:
- Forest machine operators face work organization challenges.
- Ergonomic outcomes are crucial for operator well-being and performance.
Purpose of the Study:
- To develop work organization constructs for forest machine operators.
- To investigate the links between these constructs and ergonomic outcomes.
Main Methods:
- Questionnaire survey of 358 forest machine operators across six European countries.
- Exploratory factor analysis (EFA) to define work organization constructs.
- Multiple regression analyses to assess relationships with ergonomic outcomes.
Main Results:
- A five-factor work organization structure was identified: job control, variation, job rotation, breaks, and rate of work.
- Significant models were found for job satisfaction, musculoskeletal symptoms, and headache/sleeping problems.
- Job rotation showed a significant contribution across all models, with job satisfaction exhibiting the highest explained variance (R=0.51).
Conclusions:
- Work organization constructs, particularly job rotation, significantly influence forest machine operator health and job satisfaction.
- Findings provide evidence for ergonomic improvements in work organization within the forestry sector.
- Results contributed to the 'ErgoWood' project's handbook for mechanized forest operations.
Related Concept Videos
Machines: Problem Solving I
A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
Mechanical Efficiency of Real Machines
The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...
However, in reality, no machine can be truly ideal, and all of them experience some...
Machines: Problem Solving II
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
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...
Machines
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
A free-body diagram of the...
Softwoods and Hardwoods
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
