Ergonomics: definition, need and benefits

Correct height reduces bending and gives comfort to the body. Exam tip: remember ergonomics in household tasks like stitching.

Wires spread across a walkway can catch a person’s foot, increasing the risk of tripping, falling and injury. Keeping them away from pathways, or covering them safely, is an important office ergonomics and safety measure. Increasing sound is not a purpose of moving wires. Exam tip: a clear workplace pathway is linked to accident prevention.

Work arrangement according to the human body can reduce fatigue and injury. Exam tip: remember body-suited design.

Repeated overhead reaching can strain the shoulders. Exam tip: remember the relation between height and shoulders.

A comfortable arrangement may reduce mental stress and irritation. Exam tip: link comfort with mental ease.

Items scattered on the floor increase the risk of tripping, slipping and falling. Keeping the floor organised and the pathway clear is an ergonomic improvement because it makes the work area safer and easier to use. Switching off the lighting does not solve the problem; poor visibility can increase the risk. Exam tip: In ergonomics, connect clear pathways and orderly workspaces with accident prevention.

Extreme heat or cold can affect attention and comfort. Exam tip: connect temperature with work environment.

Reaching for a far mouse strains the hand and shoulder. Exam tip: remember reach of tools.

Ergonomics makes work arrangement safe and convenient. Exam tip: link its use with health and efficiency.

A footrest can help reduce pressure on feet and lower back. Exam tip: remember support in long standing work.

Proper labels make each material and its storage location easy to identify quickly. This saves time in locating items and reduces the chance of choosing the wrong material. Option D may occur when labels are absent or unclear, not when labelling is proper. Exam tip: link labelling in workplace organisation with time saving and error reduction.

Changing tool position according to work improves comfort and safety. Exam tip: consider adjustment as part of ergonomics.

In very low light, the eyes must work harder to see objects, which can cause visual strain, eye fatigue, or headache. Low lighting may also reduce safety and work accuracy, so options B, C, and D are incorrect. Exam tip: an ergonomic workplace needs adequate, evenly distributed lighting for the task.

Arm support can reduce pressure on arms and shoulders. Exam tip: remember parts of chair support.

Task change reduces continuous pressure on the same body part. Exam tip: treat task rotation as an ergonomic measure.

Human-friendly arrangement improves both health and efficiency. Exam tip: link ergonomics with human comfort.

Frequent or excessive bending puts extra strain on the back, lower back, and muscles, which can cause fatigue and pain. Appropriate work-surface height and correct posture help reduce unnecessary bending. Option B is incorrect because ergonomics aims to make work safer and more comfortable, not merely slower. Exam tip: link reduced bending with reduced back and lower-back strain.

Every person and task can have different needs. Exam tip: connect work height with individual needs.

The basic idea of ergonomics is proper fit between work and person. Exam tip: remember this main definition.

A comfortable and safe workplace can increase satisfaction. Exam tip: connect satisfaction with comfort.