yùn / dòng / qián / xiān / zuò / jǐ / fēn / zhōng / qū / shēn / ràng / shēn / tǐ / rè / qǐ / lái运动前先做几分钟屈伸,让身体热起来。Before exercising, do a few minutes of bending and stretching to warm up.