• Use anti-fatigue floor mats if standing for long periods.
• Sit supported against the backrest of your chair.
• Sit or stand close to your work at bench cut outs.
• Adjust your chair to work height rather than pushing out your chin or bending your neck down when working.
• Elevate your chair rather than reaching up to pipette.
• Do not twist or rotate your wrist while pipetting.
• Alternate or use both hands to pipette.
• Hold the pipetter with a relaxed grip.
• Use minimal pressure while pipetting.
• Use light force or two hands to change tips
• Use low profile tubes, solution containers and waste receptacles.
• Select a light-weight pipetter sized for your hand.
• Use pipetters with finger aspirators and thumb dispensers to reduce thumb strain.
• Use latch-mode or electronic pipetters for repetitive pipetting.
• Take a 1 to 2 minute break after every 20 minutes of pipetting.

(Source: UCLA)