Ergonomic chair‌

The right office chair can boost your comfort while improving your posture. When choosing a chair, look for something that provides lumbar (lower back) support with adjustable height and armrests to reduce tension in the shoulders, arms and neck.

Amazon Basics Ergonomic Office Chair

This wheeled swivel chair offers padding for long periods of sitting, provides lumbar support and has an adjustable seat and height. $86.99 at Amazon