⚡The Autonomic Nervous System: Fight or Flight

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Welcome to Hope Line Physio! Today, we're breaking down one of the body's most fascinating systems — the Autonomic Nervous System (ANS) — and its role in the Fight or Flight response.

🧠 What is the Autonomic Nervous System?

The ANS is a part of your nervous system that works automatically — meaning you don’t have to think about it. It controls essential functions like heart rate, breathing, digestion, and sweating.

It has two main parts:

  • Sympathetic Nervous System (SNS) — The activator

  • Parasympathetic Nervous System (PNS) — The relaxer

⚡ Fight or Flight: Your Body on High Alert

When you face a threat — real or perceived — your Sympathetic Nervous System kicks into action. This is the classic "Fight or Flight" response, preparing your body to either face the danger or run from it.

Here’s what happens:

  • 🫀 Heart rate increases to pump more blood to muscles.

  • 😤 Breathing quickens to get more oxygen.

  • 🧊 Sweating starts to cool you down.

  • 🧯 Digestion pauses to save energy.

  • 👁️ Pupils dilate for better vision.

All of this happens in seconds — it’s your body’s built-in survival mode.

🧘‍♀️ Rest and Digest: The Parasympathetic System

Once the threat is gone, the Parasympathetic Nervous System takes over. It calms the body down:

  • Slows the heart rate

  • Resumes digestion

  • Promotes healing and relaxation

This balance between Fight or Flight and Rest and Digest is essential for overall health.

🏥 Why it Matters in Physiotherapy

Understanding the ANS helps us manage:

  • Chronic pain

  • Stress-related disorders

  • Posture and breathing patterns

  • Autonomic dysfunction in neurological conditions

At Hope Line Physio, we often use techniques like breathing exercises, biofeedback, and manual therapy to help regulate the ANS for better recovery and wellness.

🔄 Takeaway

Your body is wired to protect and heal itself. Knowing how your Autonomic Nervous System works gives you tools to support it — and we’re here to help every step of the way.

👉 Follow us for more wellness tips and physio insights:

📱 @HopeLinePhysio 

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