upper body
Refers to the part of the body above the waist, including the chest, shoulders, and arms. Used in contexts like posture, exercise, or medical descriptions.
Please sit up by raising your upper body.
He is training his upper body strength.
I arched my upper body back while stretching.
Before exercising, I twisted my upper body to loosen up.
When riding a bike, it's good to lean your upper body forward.
I did sit-ups while supporting my upper body with my arms.