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Iliofemoral Ligament

Medically reviewed by: Stephanie Curreli, MD, PhD
Last Updated: Jun 9, 2015

The iliofemoral ligament is a Y-shaped band of very strong fibers that connects the lower front iliac spine of the coxal bone to a bony line (intertrochanteric line) extending between the greater and lesser trochanters of the femur (thigh bone). The iliofemoral ligament is the strongest ligament in the body. It helps to prevent extension of the femur when the body is standing erect.