ergonomics Flashcards
1
Q
3 Ps to fitness in the operatory
A
Posture
positioning
periodic stretching
2
Q
maintain a neutral positon (explain)
A
head tilt 0-20
shoulders over hips
hip angle > 90 ideally 105-125
feet flat on floor
3
Q
Neutral shoulder position
A
shoulders in horizontal line
weight evenly balanced when seated
4
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)
5
Q
When working on the mandibular position the mandible
A
parallel to the floor
6
Q
when working on the maxillary postion the maxilla
A
perpendicular to the floor
