The following references were used in the creation of these tools:
McAtamney, L., & Corlett, E. N. (1993). RULA: a survey method for the investigation of work-related upper limb disorders. Applied ergonomics, 24(2), 91-99.
Waters, T. R., Putz-Anderson, V., Garg, A., & Fine, L. J. (1993). Revised NIOSH equation for the design and evaluation of manual lifting tasks. Ergonomics, 36(7), 749-776.
Steven Moore, J., & Garg, A. (1995). The strain index: a proposed method to analyze jobs for risk of distal upper extremity disorders. American Industrial Hygiene Association, 56(5), 443-458.
Potvin, J. R. (2012). Predicting maximum acceptable efforts for repetitive tasks an equation based on duty cycle. Human Factors: The Journal of the Human Factors and Ergonomics Society, 54(2), 175-188.
Rohmert, W. (1973). Problems of determination of rest allowances Part 2: Determining rest allowances in different human tasks. Applied Ergonomics, 4(3), 158-162.
Sonne, M., Villalta, D. L., & Andrews, D. M. (2012). Development and evaluation of an office ergonomic risk checklist: ROSA–Rapid office strain assessment. Applied ergonomics, 43(1), 98-108.