Posture Assessment Calculator | Industrial Engineering Calculators

Ergonomics Assessment Methods

These tools help identify risky postures and determine the need for ergonomic interventions in the workplace.

RULA

REBA

OWAS

Rapid Upper Limb Assessment (RULA)

RULA assesses posture, muscle use, and force requirements of the upper limbs to identify risk factors for musculoskeletal disorders.

Upper Arm Position

Select upper arm position:

Lower Arm Position

Select lower arm position:

Wrist Position

Select wrist position:

Wrist Twist

Select wrist twist:

Force/Load

Select force/load level:

Activity

Select activity type:

RULA Assessment Results

Score: 0

Interpretation

Score	Risk Level	Action Required
1-2	Acceptable	No action required
3-4	Low risk	Further investigation, change may be needed
5-6	Medium risk	Further investigation, change soon
7+	High risk	Implement change immediately

Rapid Entire Body Assessment (REBA)

REBA evaluates full-body postures to identify risks for musculoskeletal disorders across all body regions.

Neck Position

Select neck position:

Trunk Position

Select trunk position:

Leg Position

Select leg position:

Load/Force

Select load/force level:

Activity

Select activity type:

REBA Assessment Results

Score: 0

Interpretation

Score	Risk Level	Action Required
1	Negligible	No action required
2-3	Low	Change may be needed
4-7	Medium	Further investigation, change soon
8-10	High	Implement change as soon as possible
11+	Very high	Implement change immediately

Ovako Working Posture Analysis System (OWAS)

OWAS identifies harmful working postures and suggests corrective actions for the back, arms, legs, and load.

Back Position

Select back position:

Arms Position

Select arms position:

Leg Position

Select leg position:

Load/Force

Select load/force level:

OWAS Assessment Results

Category: 1

Action Category

Category	Action Required
1	No corrective actions needed
2	Corrective actions needed in near future
3	Corrective actions needed as soon as possible
4	Corrective actions needed immediately

Practical Examples

Office Worker

RULA: Score 3 (Low risk) - Monitor posture and take regular breaks

REBA: Score 2 (Low risk) - Ensure proper workstation setup

OWAS: Category 1 - No immediate action needed

Assembly Line Worker

RULA: Score 6 (Medium risk) - Implement ergonomic tools soon

REBA: Score 7 (Medium risk) - Redesign workstation layout

OWAS: Category 3 - Changes needed as soon as possible

Construction Worker

RULA: Score 8 (High risk) - Immediate changes required

REBA: Score 11 (Very high risk) - Immediate intervention needed

OWAS: Category 4 - Immediate corrective actions