Risk Factors, Sources, Guidelines, Recommendations Flashcards by Serena Smith

Q

Risk Factor: Shoulder Abduction

A

Definition: Shoulders rotated away from the midline, arms reaching out from body

Guideline: Shoulders should be in a neutral position when using work tools and arm rests.

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Q

Risk Factor: Neck Flexion

A

Definition: Neck FLEXING forward (no wrinkles in back)

Guideline: Adjust posture, seat, monitors, and work tools to ensure neutral neck position while working.

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Q

Risk Factor: Neck Rotation

A

Definition: Neck is turned so head faces in a direction misaligned with shoulders, hips and midline

Guideline: Main monitor should be at arm’s length, with center of screen slightly below line of sight. If using 2 screens equally, the “seam” between screens should be centered.

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Q

What is the risk factor displayed in this image?

A

Neck Rotation

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Q

What is the risk factor displayed in this image?

A

Neck Flexion

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Q

What is the risk factor displayed in this image?

A

Neck Extension

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Q

What is the risk factor displayed in this image?

A

Trunk rotation

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Q

What is the risk factor displayed in this image?

A

Trunk Flexion

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Q

What is the risk factor displayed in this image?

A

Shoulder Adduction

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Q

What is the risk factor displayed in this image?

A

Shoulder Abduction

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Q

What is the risk factor displayed in this image?

A

Elbow Extension

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Q

What is the risk factor displayed in this image?

A

Shoulder Shrugging

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Q

What is the risk factor displayed in this image?

A

Forearm Supination

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Q

What is the risk factor displayed in this image?

A

Radial Deviation

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Q

What is the risk factor displayed in this image?

A

Wrist Flexion

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Q

What is the risk factor displayed in this image?

Study These Flashcards

A

Forearm Pronation

Q

What is the risk factor displayed in this image?

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A

Ulnar Deviation

Q

What is the risk factor displayed in this image?

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A

Wrist Extension

Q

How many hours does the average worker sit per week?

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A

64, according to Sullivan and Horwitz-Bennett

Q

What percentage of employees work in an open-plan office?

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A

70%, according to fox business

Q

At what rate does LPL enzyme production decrease after 1 hour of continuous citting?

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A

90%, according to Ergonomics In Design

Q

Overall, how are desk and workspace allocation trending per employee?

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A

Decreases in desk size and in work space.

Q

What are some common indicators of physical discomfort at a workstation?

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A

Lumbar Support
Wrist rests
Monitor Risers
Antifatigue mats

Q

Why are after-market lumbar supports generally not recommended with a task chair?

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A

Lumbar supports reduce seat pan depth and reduces the effectiveness of a task chair’s backrest

Why are mouse wrist rests typically ineffective to help those with intra-carpal tunnel pressure?

Due to how folks use the wrist, it typically doubles the pressure on the intra-carpal muscles.

How can a poorly positioned monitor riser cause discomfort?

It promotes neck extension for most users.

Why are antifatigue mats potentially promblematic?

They mask fatigue in joints and muscles, and can negatively effect someone's sit/stand utilization.

Define Ergonomics.

Ergonomics is the science of fitting the task to the worker to maximize productivity while reducing discomfort, fatigue, and injury.

Name 6 INJURY risk factors.

1) Posture 2) Duration 3) Repetition 4) Force 5) Ambient Environment 6) Psychosocial

What is the ideal resting neck angle when sitting or standing?

0*

How many pounds of gravitational force is associated with flexion at 15*?

27 lbs

How many pounds of gravitational force is associated with flexion at 30*

40 lbs

How many pounds of gravitational force is associated with flexion at 45*

49 lbs

How many pounds of gravitational force is associated with flexion at 60*?

60 lbs

What are four common sources of Contact Stress?

1) Desk edge 2) Chair armrests 3) Unsupported feet 4) Seat edge

What type of slope is recommended for keyboards?

Negative slope.

Why are keyboard tabbies bad?

They create a positive incline and increase pressure to wrists and strain on joints.

What is the first solution to an ergonomic problem?

Education and training!

Why is behavioral adjustment key?

Without proper understanding of why something doesn't work, backed up by evidence, folks are extremely unlikely to make a change.