climbing

Defined by the Revised Handbook for Analyzing Jobs as ascending or descending ladders, stairs, scaffolding, ramps, poles, and the like, using feet and legs or hands and arms. Body agility is emphasized. In Part A of “Selected Characteristics of Occupations Defined” in the revised Dictionary of Occupational Titles, the rating for the climbing component appears second in the first physical demand column under the vertical heading “C1.”
 

cold/hot temperatures

Cold or extreme heat can reduce the dexterity and sensitivity of the hand, causing employees to apply more grip force to hold tool handles and objects.
 

color vision

Defined by the Revised Handbook for Analyzing Jobs as ability to identify and distinguish colors. In Part A of “Selected Characteristics of Occupations Defined” in the revised Dictionary of Occupational Titles, the rating for the color vision component appears ninth in the second set of physical demand ratings under the vertical heading “CV.”
 

competitive test performance (CTP)

The behavioral tendency to maximize one’s test scores/performance under evaluation conditions.
 

contact stresses

Produced when parts of the body come into contact with hard, sharp, objects, resulting in forces transmitted through the skin to underlying structures such as tendons and nerves.
 

crawling

Defined by the Revised Handbook for Analyzing Jobs as moving about on hands and knees or hands and feet. In Part A of “Selected Characteristics of Occupations Defined” in the revised Dictionary of Occupational Titles, the rating for the crawling component appears seventh in the first physical demand column under the vertical heading “Cw.”
 

critical demand elements

The motions required to meet the critical demands. They include things like flexion, extension, and rotation.
 

critical demands

The physical requirements of the job task.
 

crouching

Defined by the Revised Handbook for Analyzing Jobs as bending body downward and forward by bending legs and spine. In Part A of “Selected Characteristics of Occupations Defined” in the revised Dictionary of Occupational Titles, the rating for the crouching component appears sixth in the first physical demand column under the vertical heading “Co.”

Defined by Matheson as a work-intensive, low-level work position with one’s back leaning forward and buttocks adjacent to heels.
 

cumulative trauma disorders (CTDs)

The term used in these guidelines for health disorders arising from repeated biochemical stress due to ergonomic hazards.