RULA = Rapid Upper Limb Assessment | REBA = Rapid Entire Body Assessment. Both are validated observational tools for scoring musculoskeletal disorder (MSD) risk from posture, force, and muscle activity — RULA focuses on the upper body for seated/desk-based tasks, REBA covers the whole body for a wider range of static and dynamic tasks. Select posture options from live observation, photos, or video; the calculator applies the official scoring tables automatically.
RULA (Upper Limb)
REBA (Entire Body)
Group A — Arm & Wrist
Group B — Neck, Trunk & Legs
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Score A (Arm/Wrist)
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Score B (Neck/Trunk/Leg)
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Grand RULA Score
Group A — Trunk, Neck & Legs
Group B — Upper Arm, Lower Arm & Wrist
Activity
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Score A (Trunk/Neck/Leg)
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Score B (Arm/Wrist)
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Final REBA Score
Action Level Reference
RULA 1–2
Acceptable posture
RULA 3–4
Further investigation, change may be needed
RULA 5–6
Further investigation, change soon
RULA 7
Investigate and implement change now
REBA 1
Negligible risk, no action necessary
REBA 2–3
Low risk, change may be needed
REBA 4–7
Medium risk, further investigate, change soon
REBA 8–10
High risk, investigate and implement change soon
REBA 11–15
Very high risk, implement change now
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