stand so that a vertical line will go from your ear, through your
shoulder, hip and ankle.
In this position your spine is under minimum stress and your neck
and back muscles are more or less relaxed.
have your work surface, or the work where your hands are, at about
If it's on legs, you can cut them down, or raise them on bricks.
breaks in between tasks, allowing you to change position.
frequently-used tools and parts bins in an arc within easy reach,
and move around a table instead of reaching across it.
a raised footrest for one leg at a time.
down, squat bending at your knees, keeping your spine vertical.