When you've finally mastered the art of slipping on ice and landing on your femur, you know you've earned the right to break out the 🦴🚪💀 combo - a.k.a. the Scarpa's Foramen warning sign. It's like saying RIP ankle stability after that nasty wipeout on the ice rink last weekend, when your leg decided to forage its own path through the ice, straight into the depths of Scarpa's Foramen.