16th August 2023

A 30-year-old builder presents to your clinic complaining of lower back pain that radiates down the back of his left leg

A 30-year-old builder presents to your clinic complaining of lower back pain that radiates down the back of his left leg. The pain increases with coughing and sneezing. On examination, you notice a decrease in his left ankle reflex.

What is the most likely affected nerve root?