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Ergonomic principles basic to hand tool design

E R Tichauer, H Gage

American Industrial Hygiene Association Journal

|November 1, 1977

Summary

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This study examines hand tool design, focusing on operator interaction, force optimization, and common musculoskeletal issues. It highlights how proper design and usage, including glove considerations, can prevent injuries and improve workplace ergonomics.

Area of Science:

Ergonomics and Human Factors Engineering
Occupational Health and Safety
Biomechanics

Background:

Improper hand tool design and usage are linked to physiological problems and musculoskeletal complaints.
Understanding the physical interaction between tools and operators is crucial for preventing occupational hand and wrist diseases.

Purpose of the Study:

To survey hand tool features relevant to human-operator interaction and force optimization.
To describe common physiological issues and musculoskeletal complaints arising from poor tool design and use.
To explore the role of working gloves in mitigating ergonomic risks.

Main Methods:

Review of hand tool features impacting operator interaction.
Analysis of force optimization principles.

Related Experiment Videos

Description of contact pressure distributions and consequences.

Examination of anatomy and anthropometry for tool design optimization.

Main Results:

Identified common musculoskeletal complaints associated with hand tool use.
Detailed the impact of excessive contact pressures on operator health.
Outlined desirable features for power tool design based on ergonomic principles.

Conclusions:

Proper hand tool design and usage are essential for preventing musculoskeletal disorders.
Ergonomic considerations, including tool size, posture, and glove use, play a significant role in occupational health.
The principles discussed are broadly applicable to the design and use of most hand tools.