Sit all the way back in the chair
Keep your feet flat on the floor
Keep your knees at about hip level
Adjust the chair height so your thighs are parallel to the floor
Use a chair with lumbar support
Place a small cushion or rolled towel behind your lower back if needed
Keep your shoulders relaxed and down
Keep your head aligned over your shoulders
Avoid slouching or leaning forward
Keep your elbows close to your sides
Position your keyboard and desk so you do not hunch
Keep your screen at eye level
Take short standing or walking breaks regularly
Shift your position often
Avoid crossing your legs for long periods
Keep your weight evenly distributed on both hips
Use a footrest if your feet do not reach the floor
Sit with your back supported, not perched on the edge
Strengthen your core and back muscles
Stretch your chest, hips, and shoulders regularly