Prevalence of Upper Extremity Musculoskeletal Disorders in Dentists: Symptoms and Risk Factors

Table 3

Final scores and action levels.

RULA score (level)	Percentage	Required action
1 & 2 (action level 1)	0%	Posture is acceptable if it is not maintained or repeated for long periods
3 & 4 (action level 2)	18.2%	Further investigation is needed and changes may be required
5 & 6 (action level 3)	57.0%	Investigation and changes are required soon
7 and above (action level 4)	24.8%	Investigation and changes are required immediately