"갑자기 극심한 허리통증이 생겼나요?" "끊어질 듯한 허리, 도대체 왜 아픈걸까요?" "Have you suddenly developed severe lower back pain?" "Do you know why lower back...

Lower back pain is one of the most common complaints among adults, affecting up to 80% of the population at some point in their lives. It...