Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Extension

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Extension: The process of straitening or the state of being strait. Extension of the hip and knee joints is necessary to stand up from the sitting position.

Need Expert Advice on Your Condition?

Get a personalized video breakdown and treatment plan from our senior neurosurgeons using your MRI/CT scans.

👉 Request MRI Review