Quiz Form

Question Date: 08/11/2023

Question: Inverted patellar reflex localizes the site of lesion to

Options:

• At D6 and L2-L4
• At L5 and High cervical
• At D12 and L5-S1
• Anywhere above L2

Correct Answer: At D6 and L2-L4

Explaination: Inverted patellar reflex implicates ipsilateral L2-L4 segmentroot dysfunction, leading to an absence of quadriceps response, alongside pathologic hyperreflexia triggering the activation of the opposing hamstring<br>This suggests a thoracic myelopathy with superimposed radiculopathy at L2-L4.

Reference: BoyleRS,ShakirRA,WeirAI,et al.Inverted knee jerk a neglected localising sign in spinal cord disease.J Neurol Neurosurg Psychiatry.197942(11)1005-1007