Dr. Tommy Pang, DC | Brain & Nervous system Doctor🧠 on Instagram: "🖐️ Quick brain check you can do in 10 seconds. 👆 Open–close your fingers as fast and big as you can for 10s. Do both hands. 🔎 What to notice: • ⏱️ Skips, hesitations, or slowing down • ↔️ One side clearly worse (often the left hand) • 🧩 Movements feel clumsy or uneven—even when you try hard 🧠 Why this matters: Every movement is a message from your brain. Finger tapping reflects how well your frontal lobe + motor cortex + ce

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