Stand with knees unlocked; shift body weight from leg to leg often; prop leg up to stool or box whenever possible.
Review sitting postures with knees bent at 90 degrees; lumbar area support and change postures every 30 minutes.
Lifting: Use your legs; back straight, head up; keep load close to the body; avoid twisting and use cart whenever possible; pushing or pulling is better than lifting.
Keep load close to body with elbows bent at 90 degrees much as possible; avoid twisting. Pushing/pulling: Keep load close, push whenever possible versus pulling and use largest wheel possible for the item; avoid twisting.