Twisting

Last Updated: August 28, 2020

Definition - What does Twisting mean?

Twisting refers to a rotating or contorting motion. The act of twisting my be used to bind two items such as thread or twine together. A twisting or turning action is also used to remove bottle caps or attach bolts to screws.

The body too, may twist. In this context, twisting refers to rotating one part of the body in a direction away from or opposite to another part. For example, a twisting motion is used when an individual turns his or her head to one side or makes a thumbs-down motion with his or her hand.

Another word for twisting is torsion. The term torsion is used in medicine to describe the rotation of a part of the body, usually along an axis. The rotational force used to initiate twisting is referred to as torque.

WorkplaceTesting explains Twisting

An item may be twisted by a person or device. Or, a person may twist their body to execute a task. In the workplace setting, the action of twisting an item such as a container lid or knob are unique job tasks. The action of twisting one's torso to reach a lever or view different monitors may also be a job task.

When conducting a physical demands analysis for a specific job, each type of twisting motion is identified and recorded. This information is then used to determine the essential tasks related to a particular job. The information may also be used to identify potential ergonomic risk factors. Twisting, whether as a motion of the arm and hand, the torso, or another body part, is one of several repetitive motions that can cause musculoskeletal injuries. To avoid worker injuries, jobs should be designed to minimize the repetition of and force required for twisting motions.

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