Chair, A kneeling chair adds an additional body part, the knees, to support the weight of the body. A sit-stand chair distributes most of the weight of the occupant to the feet. Many chairs are padded or have cushions.Padding can be on the seat of the chair only, on the seat and back, or also on any arm rests or foot rest the chair may have.
Choosing the Right Ergonomic Office Chair – Spine-health, Seat height.Office chair seat height should be easily adjustable. A pneumatic adjustment lever is the easiest way to do this. A seat height that ranges from about 16 to 21 inches off the floor should work for most people.
Tips to measure your blood pressure correctly – Harvard Health, To determine whether you have hypertension, a medical professional will take a blood pressure reading. How you prepare for the test, the position of your arm, and other factors can change a blood pressure reading by 10% or more.