"Study at posture" refers to the position in which one sits or stands while studying. There are various synonyms for this posture, including "ergonomic posture," "upright posture," "proper posture," "correct posture," and "balanced posture." These terms all emphasize the importance of sitting or standing in such a way that the body is aligned properly, reducing the risk of strain or injury. Good posture also promotes increased concentration, as it allows for better oxygen flow to the brain. Whether you're studying for a test, working on a project, or simply sitting at your desk, maintaining a healthy posture is key to staying focused and productive.