ergonomics Flashcards by KDot .

Q

3 Ps to fitness in the operatory

A

Posture

positioning

periodic stretching

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Q

maintain a neutral positon (explain)

A

head tilt 0-20

shoulders over hips

hip angle > 90 ideally 105-125

feet flat on floor

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Q

Neutral shoulder position

A

shoulders in horizontal line

weight evenly balanced when seated

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Q

neutral back position

A

leaning forward slightly from the waist or hips

trunk flexion = 0-20

avoid over flection of the spine (curved back)

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Q

When working on the mandibular position the mandible

A

parallel to the floor

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Q

when working on the maxillary postion the maxilla

A

perpendicular to the floor

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