Ergonomics flashcards, diagrams and study guides
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-discovers and applies information about human behavior, abilities, limitations, and other characteristics to the design of tools, machines, systems, tasks, jobs, and evironments for productive, safe, comfortable and effective use
- engineering psychology -applied experimental psychology -Human engineering -Applied Cognitive Psychology, -some parts of industrial engineering
- Functional Effectiveness - to enhance the effectiveness with which work and other activities are carried out (faster spped, increased productivity and reduced errors) - Human Welfare - Enhanced desirable human values - (improved safety, increased job satisfation reduced fatigue and stress increased comfort ease of use improved quality of life)
Patient sits at the edge of the examining table without back support.
Patient lies flat on their back with the hands to the side.
The patient lies face-up, with the back supporting all the weight and the knees are drawn up with the feet flat on the table.
The correct positioning of the body for a given task, such as lifting a heavy object or typing; when the correct muscles are used and the body is in alignment, good body mechanics are being demonstrated.
The science of designing and arranging things in the working and living environments to ensure maximum efficiency, health, and safety; a good ergonomic environment maximizes the comfort level and the efficiency of the person while limiting possible exposure to discomfort or potential injury
Injury resulting from a repeated movement that causes damage to a nerve, ligament, tendon, or muscle
Adaption of the work environment to the human body
To help people stay healthy while performing their work more effectively
Back and joint pain, neck and shoulder pain, hand and wrist pain, and headaches
area on which an objects rests and provides support
the point at which the mass of an object or body is centered
group of muscles, when contracted, assist in posture, balance, and stability - abdominal walls, pelvis, diaphragm, and low back
Is the adaptation of the work environment to the human body.
Pain that results from the ongoing stresses to muscles, tendons, nerves, and joints.
are disorders of the muscles and skeleton such as neck and should pain, back pain, and carpal tunnel syndrome.
A range that a person can stretch to touch or grasp an object from a specified position.
Data that can be measured and recorded using numbers.
The ability of a product to be changed in size, commonly used to increase the range of percentiles that a product is appropriate for.
humans animal/plant pathogens prions genetically modified organisms/microorganisms potentially infectious human material (blood, body fluids, tissues, etc) known pathogens, pests, noxious weeds, arthropods and insects not indigenous
a biological agent or condition (as in an infectious organism or insecure laboratory procedures) that constitutes a hazard to man or his environment; also a hazard posed by such an agent or condition.
1, application of good microbiological work practices 2 , use of safety and containment equipment 3, consideration of secondary containment in the design of lab facilities
Patient on knees, chest face-down
Patient is on left side, right knee drawn up, left arm along back, chest inclined forward to rest on
Head is raised up about 18" with knee elevated
A multidisciplinary sciences that seeks to conform the workplace and all of its physiological aspects to the worker Involves: -Using special design and evaluation techniques to make tasks, objects, and environments more compatible with human abilities and limitations -Seeking to improve productivity and quality by reducing workplaces stressors, reducing the risk of injuries and illnesses, and increasing efficiency. Derived from Greek- Ergon is greek for work; nomos means laws (literal sense it means work in laws)
Sitting is less stressful than standing. Standing for extended periods, particularly in one place, can produce unsafe levels of stress on the back, legs, and feet. Although less strenuous than standing, sitting can stressful unless the appropriate precautions are taken. These precautions include proper posture, a supportive back rest, and frequent standing/ stretching movement.
Repeatedly moving small amounts of weight over a period of time can have a cumulative effect equal to the amount of stress generated by moving a few heavy weights. regardless, jobs that demand larger amounts of strength/power are generally more stressful than those requiring less strength/power.