10/01/2026
A little about why when you come in with “just an ankle sprain” I start at your head and also in my interrogation at the first appointment (not really interrogation, just going through your history), I ask about ankle sprains.
These affect the whole system, not just the ankle so we need to look/listen and feel elsewhere.
Be Strong Be Stable Be Able Be Strong Be fully rehabbed 🙂
The ankle-🧠 connection.
The ankle-brain connection is a dynamic neural loop where the brain constantly receives sensory data (proprioception) from ankle receptors to control balance and movement. However, ankle injuries lik: sprains disrupt this, causing brain regions to shrink or reorganize, leading to poor feedback, altered gait, and potentially chronic instability as the brain compensates, even changing its structure to adapt, highlighting that an ankle injury is also a neurological event.
Here are some examples how the connection works:
•Sensory Input: Thousands of nerve endings (mechanoreceptors) in your ankle and foot send signals to the brain about joint position, movement, and pressure (proprioception).
•🧠 Processing: The brain integrates this information in areas like the somatosensory cortex to understand where the ankle is in space.
•Motor Output: Based on this data, the brain sends commands to muscles for balance and coordinated movement, controlling ankle actions like flexing (dorsiflexion) and pointing (plantar flexion).
When the injury-ankle sprain occurs:
•Damaged Receptors: Ankle sprains damage these crucial joint receptors, disrupting sensory feedback to the brain.
•🧠 Changes ( ): The brain adapts through plasticity, but this can be maladaptive.
Cortical Changes: Brain areas controlling the ankle can shrink or change thickness.
•Altered Activation: The brain might overwork other areas (like the motor cortex) to compensate for the lack of reliable ankle data, leading to inefficient movement patterns.
•Sensory Reorganization: The nervous system's perception of the joint changes, creating a cycle of poor stability.
Overall, understanding this connection emphasizes that treating ankle injuries needs to go beyond just the physical ankle, requiring rehabilitation that retrains the brain's sense of the joint to prevent long-term issues.
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