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What is Ergonomics?:

What is Ergonomics? Ergonomics is the study of the relationship between the employee and their work environment to increase sa fety…comfort…and productivity.

Why is Ergonomics Important?:

Why is Ergonomics Important? Enables you to adapt the environment you live and work in to fit your specific needs. All people are different. Provides you with techniques to minimize the physical impact of your daily activities. Helps to provide you with a comfortable work and home environment in which to be productive.

What are Ergo-Related Injuries?:

What are Ergo-Related Injuries? Acute Ergonomic-Related Injuries Sprains/Strains: Usually caused by a single instantaneous occurrence or event. Associated with sudden, forceful movements of the body.  usually in awkward or extreme positions. The body parts frequently involved include the shoulders, back, and legs.

Chronic Ergonomic-Related Injuries Musculoskeletal Disorders (MSD)::

Chronic Ergonomic-Related Injuries Musculoskeletal Disorders (MSD): Often referred to as Cumulative Trauma Disorders (CTDs). Associated with repetitive exertions, awkward body postures or movements. Occur over a period of time. The body parts frequently involved include the fingers, hands, wrists, elbows, upper arms, and shoulders. Early reporting of these types of injuries is helpful since the exact cause is often difficult to determine.


NOTES: Tendonitis – inflammation of the tendon – common names include tennis elbow, golfer’s elbow, DeQuervains syndrome. (DeQuervain’s Disease – an overuse injury of the thumb extensor tendons. This often occurs from repetitive tapping of the SPACE bar).


NOTES: Carpal Tunnel Syndrome – caused by swollen tendons pressing on the median nerve which is encased in the carpal tunnel (a nickel-sized tunnel in the center of the wrist). Symptoms are coolness in the palm, tingling, numbness, and/or loss of control or strength in the hand.

Progression of MSD Symptoms:

Progression of MSD Symptoms Mild Moderate Severe Symptoms Fatigue Numbness Limited strengths Stiffness Tingling Decreased range of motion Mild aches Pain Pain from specific movements Swelling Weak grip

Minimizing Ergonomic Risk Factors:

Minimizing Ergonomic Risk Factors

What are Ergonomic Risk Factors?:

What are Ergonomic Risk Factors? Conditions of an activity that increase potential Development of a strain/sprain (S/S) or MSD. MSD development increases with prolonged exposure to these factors. The more risk factors present, the greater potential for Injury. Risk factors may be present in your work and leisure activities.

Minimize Awkward Postures:

Minimize Awkward Postures Maintain a “neutral” posture when seated. Use the following guidelines.

Minimize Force:

Minimize Force Avoid excessive force when using the keyboard and mouse. A light touch is less rigorous than forced keyboard use. Avoid a tight grasp of the mouse.

Minimize Repetition:

Minimize Repetition Avoid typing and mouse Use for long periods of time. Take short breaks often. At least one per hour. Alter tasks. Make phone calls, get copies, pick up documents from the printer, etc.

Minimize Contact Stress:

Minimize Contact Stress Avoid pressure on wrist and elbows.  Wrist rests are used to support wrists during breaks in typing and mouse use.

Minimize Contact Stress:

Minimize Contact Stress  Adjust your chair to provide adequate leg support:  Adjust height to ensure feet are flat on the floor or foot rest.  Adjust backrest depth to provide adequate space between the back of the knee and the front of the seat (the width of one’s fist is a minimum measure).

Minimize Static Loading:

Minimize Static Loading Avoid awkward and unsupported postures for long periods of time. Change body positions frequently while sitting or standing. Use wrist rests for support.

Practice Proper Lifting Techniques:

Practice Proper Lifting Techniques Examine the load and the surrounding area. Bend knees when lifting a load. Look forward to keep back straight. Position the load close to the body.

Practice Proper Lifting Techniques:

Practice Proper Lifting Techniques Maintain a firm grip on the load. Use smooth, controlled movements. Keep arms in front of body. Turn feet in direction of movement and do not twist


Stretching Benefits:  Increases flexibility / elasticity of muscles.  Increases circulation to warm the muscles.  Improves mental alertness, reducing fatigue.  Decreases muscle tension and stress.


Stretching When to Stretch:  Prior to starting your day.  During short breaks (at least 1 per hour).  After breaks or lunch to prevent fatigue.  If tension or stress is apparent.

Stretching Demonstration:

Stretching Demonstration Proper Techniques: Relax and breathe normally. Do not hold your breath. Hold each stretch for a count of 5, or as long as comfort is maintained. Use gentle, controlled motions. Do not bounce!

Stretching Demonstration:

Stretching Demonstration Keep the knees slightly bent for better balance. Stretch until a mild tension is felt, then relax. Stretch by how you feel and not by how far you can go.

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