REBA Assessment Tool

🟠 Steps 1–3: Neck, Trunk, and Legs

Step 1: Neck Position (0–2)

+1 for twist, +1 for side bending

Neutral Flexion >20°, Extension Twist or Side Bend Step 2: Trunk Position (0–4)

+1 for twist, +1 for side bending

Upright Flexed <20° Flexed 20–60° Flexed >60° Twisted or Side Bend Step 3: Leg Position (1–2)

1 = Evenly supported; 2 = One leg raised or unstable

Even support Unstable or uneven

🟠 Step 4: Posture Score A (from Table A)

Step 4: Look-up Table A Score 1 2 3 4 5 6 7 8 9 Step 5: Force/Load Score

0 = <5kg, 1 = 5–10kg, 2 = >10kg, +1 for shock/rapid force

0 1 2 3 (includes shock)

🟠 Step 6: Score A (Posture A + Force)

🟢 Steps 7–9: Upper Arm, Lower Arm, Wrist

Step 7: Upper Arm (1–6) Arm close to side Raised or extended Shoulder elevated Abducted Behind body High elevation Step 8: Lower Arm (1–3) 60–100° Outside range Extreme Step 9: Wrist (1–4) Neutral Bent Twisted Twisted and Bent

🟢 Step 10: Posture Score B (from Table B)

Step 10: Look-up Table B Score 1 2 3 4 5 6 7 8 9

🟣 Step 11: Coupling Score

Grip Quality Good Fair Poor Unacceptable

🟢 Step 12: Score B (Posture B + Coupling)

🟣 Step 13: Activity Score (0–3)

+1 each for: static >1min, repetitive, large posture changes

0 1 2 3

🔴 Final Output

Calculate Final REBA Score