PhysioOsteoGram on Instagram: "Let’s dive into the Suboccipital Triangle – a little space with BIG importance! What’s inside? 1️⃣Vertebral artery 🩸 – Supplies blood to the brain and passes through the foramen transversarium of C1. 2️⃣Suboccipital nerve (C1) 🧠 – Innervates the muscles of the triangle and contributes to proprioception. 3️⃣Posterior arch of the atlas (C1) – The bony structure forming part of the boundary. 🔺 Boundaries: 🔆Medial: Rectus Capitis Posterior Major 🔆Lateral: Obliquus