Ergonomic Push/Pull Force Calculator

Here's a comprehensive table summarizing key information about ergonomic push/pull forces:

Aspect	Details
Recommended Force Limits	• Initial force (to start movement): 200-225 N (45-50 lbs) for males, 150 N (33 lbs) for females • Sustained force: 100-110 N (22-25 lbs) for males, 70 N (15 lbs) for females456
Factors Affecting Force	• Body weight and strength • Height of force application • Direction of force • Distance from body • Posture (standing, kneeling, etc.) • Friction between floor and shoes • Duration and distance of push/pull45
Gender Differences	• Males generally 30-40% stronger than females for push/pull tasks34
Posture Considerations	• Upright posture with minimal force is ideal • Avoid extreme reaches (above shoulder or below waist)56
Task Duration	• Short duration tasks (≤5 seconds) can tolerate higher forces • Longer tasks require lower sustained forces5
Measurement Tools	• Force gauges or dynamometers for accurate measurements • Spring balances for rough estimates6
Risk Assessment Methods	• Simple risk filter based on posture • RAPP tool for more detailed assessment • Full risk assessment using MHOR Schedule 16
Design Recommendations	• Use larger wheels on carts to reduce required force • Ensure proper maintenance of wheeled equipment • Consider floor surface and slopes in workplace design56
Safety Considerations	• Avoid sudden movements or jerking motions • Ensure good traction between shoes and floor • Provide adequate space for maneuvering456

This table provides a comprehensive overview of ergonomic push/pull forces, including recommended limits, factors affecting force exertion, gender differences, posture considerations, measurement methods, risk assessment approaches, and design recommendations123456. 

It's important to note that these are general guidelines, and specific workplace situations may require more detailed analysis or adjustments based on individual factors and task requirements.