COMPUTE FOR THE RULA BASED ON THE WORKSHEET The operator in the assembly task is complaining about the neck problems encountered after working over shift. The management would like to assess the ergonomic risk of the workers posture using RULA. Assume the workers posture is static and held for more than 10 minutes.

RULA Employee Assessment Worksheet Task Name: Date: A. Arm and Wrist Analysis Step 1: Locate Upper Arm Position: +1 XY +2 +2 +3 20.45 45-90 90+ indesio Neck Score Step 1a: Adjust If shoulder is raised: +1 If upper arm is abducted: +1 If arm is supported or person is leaning:-1 Step 2: Locate Lower Arm Position: +1 +2 +2 60-100 0-60 Upper Arm Score 2014 60 100 Lower Arm Score Trunk Score 2 Step 2a: Adjust... If either arm is working across midline or out to side of body: Add +1 Step 3: Locate Wrist Position: +1 +2 +3 15-15 15+ Scores B. Neck, Trunk and Leg Analysis Wrist Score Table A 2 3 1 Step 9: Locate Neck Position: 4 Wrist Wrist Wrist Wrist +1 0-102 10-20 +3 20+ +4. Upper Lower Twist Twist Twist Twist Arm Arm 1 2 1 2 1 2 1 2 1 1 2 2 2 2 3 3 3 1 2 2 2 2 2 2 3 3 3 3 Step 9a: Adjust... 3 2 3 3 3 3 3 4 4 If neck is twisted: +1 1 2 3 3 3 3 4 4 4 If neck is side bending: +1 2 2 3 3 3 3 3 4 4 4 3 3 3 Step 10: Locate Trunk Position: LRT : 3 3 4 4 4 4 4 5 5 +1 +2 +3 1334.44 201 4 5 5 3 iais 2 3 4 4 4 4 4 5 5 2 3 4 4 4 4 4 5 5 5 iii 1 4 4 4 4 4 5 5 5 4 2 2 4 4 4 4 4 4 4 4 5 5 5 Step 10a: Adjust.. 3 4 4 4 5 5 5 66 If trunk is twisted: +1 1 5 5 5 5 5 5 6 6 7 If trunk is side bending: +1 5 5 2 5 6 6 6 6 7 7 7 Step 11: Legs: If legs and feet are supported: +1 3 6 6 6 7 7 7 7 8 If not: +2 1 7 7 7 7 7 8 8 9 Neck Table B: Trunk Posture Score 6 2 8 8 8 1 8 89 99 2 4 4 Oo889 3 Posture 6 5 3 9 9 9 9 9 9 9 9 Legs Legs Legs Legs Legs Legs Score 1 2 1 2 1 2 1 2 1 2 1 2 Neck, Trunk, Leg Score Table C 1 3 2 3 3 4 5 5 6 6 7 7 1 2 3 4 5 6 7 2 2 3 2 3 4 5 5 5 677 7 1 1 2 3 3 4 5 5 3 3 3 3 4 4 5 5 6 6 7 7 7 2 2 2 3 4 4 5 5 5 4 55 5667788 7 3 3 3 3 4 4 5 6 5 7 7 7 7 7 8 8 8 8 8 8 8 3 6 8 8 8 8 8 8 8 99999 Wrist / Arm 4 3 3 3 4 5 6 6 Step 12: Look-up Posture Score in Table B: Score 5 4 4 4 5 6 77 Using values from steps 9-11 above, 6 4 4 5 6 6 7 7 locate score in Table B 7 5 5 6 6 7 7 7 Step 13: Add Muscle Use Score If posture mainly static (l.e. held>1 minute), Scoring (final score from Table C) Or if action repeated occurs 4X per minute: 1 1-2 - acceptable posture Step 14: Add Force/Load Score 3-4 = further investigation, change may be needed If load 1 minute). Or if action repeated occurs 4X per minute: +1 Step 7: Add Force/Load Score If load<.4.4 lbs. if load to or repeated more than shocks: step find row in table c add values from steps obtain wrist and arm score. c. . muscle use score force neck trunk leg>