Table 3.

Distributions of REBA-AL related to lifting technique, implant, and their combinations.

	Lifting technique
	Stoop lifting (43,065 observations) AL0 = 20% AL1 = 39% AL2 = 41%	Squat lifting (37,687 observations) AL0 = 22% AL1 = 38% AL2 = 37% AL3 = 3%
Implant
HI (43,129 observations)  AL0 = 21  AL1 = 39  AL2 = 38  AL3 = 2	21,475 observations AL0 = 21% AL1 = 39% AL2 = 40%	21,654 observations AL0 = 21% AL1 = 39% AL2 = 35% AL3 = 5%
VBR (19,775 observations)  AL0 = 21  AL1 = 38  AL2 = 40  AL3 = 1	11,990 observations AL0 = 19% AL1 = 40% AL2 = 41%	7,785 observations AL0 = 25% AL1 = 36% AL2 = 38% AL3 = 1%
KI (17,848 observations)  AL0 = 21  AL1 = 36  AL2 = 43	9,600 observations AL0 = 19% AL1 = 36% AL2 = 45%	8,248 observations AL0 = 24% AL1 = 36% AL2 = 40%

HI = hip implant, VBR = vertebral body replacement, KI = knee implant, AL0 = action level 0, AL1 = action level 1, AL2 = action level 2, AL3 = action level 3.