13 - Ergonomics Flashcards
1
Q
what is the relationship of humans to their work and to the environments in which they work
A
ergonomics
2
Q
reasons for early retirements among dentists
A
musculoskeletal disorders, CVD, neurotic symptoms, tumors, nervous system disease
3
Q
how to prevent bad ergo
A
operatory set up, loupes, chair
4
Q
67% of dentists lose days of practice each year because of avoidable what
A
musculoskeletal pain
5
Q
what are factors with decreased risk of MSD
A
increased frequency of moderately paced physical activity, increased frequency of strengthening exercise
6
Q
what are 5 criteria requied for operatory equipment set up
A
- operator stabilized with proprioceptively self-derived height for balance
- optimal control point
- head and neck support to bring maxillary plane to vertical
- uneimpeded operator access in the “o’clocks”
- light beam to within 15 degrees of eyeline
7
Q
ideal seated position
A
HIP higher than KNEES, tile seat forward up to 15 degrees, feet flat on floor
