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Table 1 Lifting equation parameters and recommended weight limits for external lifting trials

From: Automation of Workplace Lifting Hazard Assessment for Musculoskeletal Injury Prevention

  Trial #11 Trial #21 Trial #3
Parameter Measured2 Raw Modeled Measured2 Raw Modeled Measured2 Raw Modeled
H 0.48 0.29 0.50 0.61 0.56 0.67 0.61 0.54 0.66
V 0.07 0.00 −0.03 0.37 0.22 0.21 0.37 0.31 0.33
D 0.80 0.70 0.75 0.39 0.29 0.32 0.39 0.25 0.24
A 30 18 76 44 44 38 44 31 47
Frequency2,3 11 11 11 10 10 10 10 10 10
Coupling2 F F F F F F F F F
RWL 2.49 4.90 2.30 2.95 3.07 2.58 2.95 3.57 2.76
  1. A = asymmetry angle (°); D = vertical distance (m); F = fair coupling; H = horizontal location (m); RWL = recommended weight limit (kg); V = vertical location (m).
  2. 1Same subject.
  3. 2Determined a priori.
  4. 3Cycles per minute.