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104 > Ergonomics Quiz 3 > Flashcards

Ergonomics Quiz 3 Flashcards

1
Q

What causes Musculoskeletal Injury

A

Force, repetition, position, no rest

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2
Q

In order for success everything must be in order

A

Position, Grasp, Mirror, Finger rest, Stroke

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3
Q

What’s correct positioning of ergonomics

A

Clinician and Patient position
Dental unit (console/light) & patient relative to clinician
Clinician relate to treatment area
Patient’s head relative to treatment area

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4
Q

Body Mechanics

Instruments

A 
Use proper instrumentation
Use balanced instruments
Use wide diameter handles with serrations
Use sharp instruments
Use IO/EO fulcrums
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5
Q

Body Mechanics

Body

A

Avoid thumb hypertension
Alternate work positions
Adjust chairs and use lumbar support
Wear magnificiation

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6
Q

Body Mechanics

Misc

A

Wear proper fitting gloves
Minimize drag on hose
Avoid time stress
Eliminate wasted motions

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7
Q

What’s a safe position for shoulders/forearms?

A

Parallel to the floor with hips slightly higher than knees

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8
Q

What kind of vision do you use for body mechanics?

A

Indirect vision

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9
Q

Body mechanics

Clients

A

Alternate heavy and light calculus patients

Use selective polishing

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10
Q

Body mechanics

Stretching

A

Stretch periodically

Pay attention to pain and fatigue

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11
Q

Body Mechanics

Sitting

A

Lean forward from hip
Bend neck slightly forward
Feet flat on floor with legs perpendicular to floor
Eyes 14-20 in from mouth
Elbows at side and slightly lower than mouth

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12
Q

Common Causes of RSD

A 
Awkward posture
Forceful grasp, mechanical stresses, vibration and cold
Wrist and forearm flexion
Static postures
Stool not adjusted to torso
Torso in wrong position
Elbows held above waist
Poor light postion
Patient chair positioned poorly
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13
Q

Thoracic Outlet Syndrome Location

A

Painful disorder of fingers, hand or wrist

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14
Q

Thoracic Outlet Syndrome Cause

A

Compression of brachial nerve plexus and vessels b/w neck and shoulder

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15
Q

Rotator Cuff Tendinitis

A

Painful inflammation of muscle tendons in shoulder region

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16
Q

Pronator Syndrome Location

A

Painful disorder of wrist and hand

17
Q

Pronator Syndrome Cause

A

Compression of the median nerve b/w 2 heads of the pronator teres muscle

18
Q

Extensor Wad Strain Location

A

Painful disorder of the fingers

19
Q

Extensor Wad Strain Cause

A

Result of injury of the extensor muscles of the thumbs and fingers

20
Q

Carpal Tunnel Syndrome

A

Painful disorder of the wrist and hand

21
Q

Carpal Tunnel Syndrome cause

A

Compression of the median nerve w/n the carpal tunnel of the wrist

22
Q

Ulnar Nerve Entrapment Location

A

Painful disorder of the lower arm and wrist

23
Q

Ulnar Nerve Entrapment cause

A

Compression of the ulnar nerve of the arm as it passes through the wrist

24
Q

Tenosynovitis

A

Painful inflammation of fluid filled sheaths that cover the tendons on the side of the wrist and at the base of the thumb.

25
Q

Tendinitis

A

Painful inflammation of the tendons of the wrist from strain

26
Q

Neutral Neck and Back position

A

0-20 degree

27
Q

Neutral Upper Arm position

A

0-20 degree

28
Q

Neutral Forearm Position

A

60-90 degree (Ideal)

Can go to 100 degree

29
Q

Symptoms of RSD

A 
Pain/Nocturnal Pain
Morning stiffness/numbness
Daytime numbness/tingling
Loss of strength
Cold fingers
Increased fatigue
30
Q

How to reduce risk of RSD

A

Stretching
Hand exercises
Always think of posiitoning

31
Q

Neutral Hand Position

A

Tilt of knuckles

32
Q

Societal Increase of RSD

A 
Computers
Operators
Bus Drivers
Dental Healthcare Workers
Occupations w/ forceful repetitive motions
33
Q

Self Responsible for musculoskeletal health

A

Dynamic Postural Integrity
Physical Fitness
Management and leaving behind stress

34
Q

Positioning

A 
Pt-supine position
Pt head tilt (max vs mand)
Unit is low for max and high for mand
Light is arm's length away
Correct positioning while working
35
Q

Four Basic Clinician Positions Right Handed

A

8,9,10-11,12 o’clock

36
Q

Mand/Max Post. Facing Forward

A

9 o’clock

37
Q

Mand/Max Post. Facing away

A

10-11 o’clock

38
Q

Mand/Max Ant. Towards

A

8-9 o’clock

39
Q

Mand/Max Ant. Away

A

11-1 o’clock

104 (9 decks)

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