Additional grip force is needed in situations such as the following:
• The worker is gripping a small tool.
• The worker is handling slippery or odd-shaped objects that are difficult to hold.
• Objects are too large for a comfortable grip.
• Objects are grasped or handled using a pinch grip instead of a power grip.
• Vibrating tools or equipment are used.
• The worker is wearing heavy or bulky gloves that make gripping more difficult.
• Handles or grip spans are too large or too small.
• The handles on tools have an awkward shape.
• The worker’s hands are cold.
The pictures on pages show grip force in different work activities.
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