What is All of the following are red flag signs of back pain except - and explain in detail?
Answer- D. Age between 35-50FeaturesPrevious history malignancy (however Iong ago)Age 16< or >50 with NEW onset painWeight loss (unexplained)Previous longstanding steroid useRecent serious illnessRecent significant infectionSignsSaddle anaesthesiaReduced anal toneHip or knee weakness