1. An injury to the ligaments and soft tissues of the back caused by sudden stretching or tearing, typically resulting from a fall, twist, or overexertion
He suffered a back sprain while lifting heavy boxes at work.
Ele sofreu uma entorse nas costas ao levantar caixas pesadas no trabalho.
2. A medical condition characterized by pain, inflammation, and reduced mobility in the back region
The doctor diagnosed her with a mild back sprain after the car accident.
O médico diagnosticou uma leve entorse nas costas após o acidente de carro.