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Back Safety: Working at Ground Level. When work needs to be done at ground level, we typically lower the body by bending at the knees or bending at the waist. Bending at the waist is hard on the back and as we get older, the knees become less flexible.
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Back Safety:Working at Ground Level When work needs to be done at ground level, we typically lower the body by bending at the knees or bending at the waist. Bending at the waist is hard on the back and as we get older, the knees become less flexible. Here are several options for working at low levels: ONE KNEE DOWN BOTH KNEES DOWN BUILD A BRIDGE! KNEE SAVERS Confidential-Client Use Only