The Chinese word "扭伤" is formed by combining the character "扭", meaning to twist, which incorporates the hand radical "扌" to indicate manual action and the component "丑" primarily for phonetic value, with the character "伤", meaning to injure, which includes the person radical "亻" to relate to the body and components that convey harm. This compound directly specifies an injury caused by a twisting action, resulting in the meaning "to sprain".