TABLE 6.

Work Conditions Not Covered by the NIOSH RNLE (and the Provisional Clinical Guidelines)

Lifting/lowering with one hand Lifting/lowering for over 8 hr Lifting/lowering while seated or kneeling Lifting/lowering in a restricted workspace Lifting/lowering unstable objects Lifting/lowering while carrying, pushing, or pulling Lifting/lowering with wheelbarrows or shovels Lifting/lowering with “high speed” motion (faster than about 30 in./s) Lifting/lowering with unreasonable foot/floor coupling (<0.4 coefficient of friction between the sole and the floor) Lifting/lowering in an unfavorable environment (temperature significantly outside the 66–79°F [19–26°C] range; relative humidity outside the 35%–50% range) (Highly repetitive lifting more than 3 times per minute) (Lifting/lowering from the floor with hands below midshin) (Lifting overhead) (Lifting more than 3 times per minute) (Travel distance of the object being lifted greater than 10 in. [25 cm]) (Spinal rotation or asymmetry of 15° or more) (Poor hand coupling of the object)