26th August 2024

A 65-year-old man presents to A&E complaining of acute onset lower back pain

A 65-year-old man presents to A&E complaining of acute onset lower back pain and pain and weakness down his right leg. On examination, his power is reduced in knee extension. He has numbness of his inner thigh and knee. He has a diminished patellar reflex on the right side, but all other reflexes are normal. Which nerve root is most likely to be affected?

Select the SINGLE most appropriate option from the list below. Select ONE option only.