Drop By Physio

Drop By Physio Physiotherapist | Sunshine Coast 🌊
When standard treatment isn't working, the problem is often in the brain's map of the body — not the body itself.

Founder, BQ Body Intelligence™.

02/05/2026

Here's something about Novak Djokovic's backhand that most people never consider.

His two-handed backhand is struck at over 100 kilometres an hour. The ball is in contact with the strings for less than five milliseconds.

Five milliseconds is faster than a nerve signal can travel from his hand to his brain and back.

He literally cannot feel the ball on the strings before the shot is already over.

So how does he consistently place it with such precision into the corners of the court while moving at full speed?

He doesn't react to the ball. He predicts it.

His brain runs a simulation — a precise internal model of ball trajectory, racquet angle, and body position — and fires the movement before any sensory feedback arrives. The shot is already done before he feels anything.

That simulation runs entirely off his body map. His brain's picture of where every part of his body is in space, updated constantly in real time.

Now think about what happens when that map loses resolution. After a wrist injury. After shoulder surgery. After months of pain that changes how he moves. The simulation starts getting it wrong. Not because his technique broke down. Because the picture his brain was working from lost detail.

That's not a coaching problem. That's not a strength problem. That's a map problem.

And it's the layer most sports medicine never reaches.

Drop a 🎾 if you didn't know the brain worked this way 👇

01/05/2026

This challenges everything most people believe about pain.

You can have bone-on-bone arthritis — completely destroyed cartilage, bone grinding on bone — and feel absolutely no pain. This is well documented in clinical research. People discover severe joint degeneration on scans taken for completely unrelated reasons and had no idea it was there.

And you can have a perfectly intact, undamaged knee with nothing visible on the scan and feel chronic daily pain in it.

How is that possible?

Because pain doesn't come from the tissue. Pain is an output of the brain's map.

When the map registers threat — real or perceived, accurate or outdated — it produces pain. When it doesn't register threat, there is no pain. Regardless of what the tissue actually looks like on an X-ray or MRI.

This is why two people with identical scans can have completely different pain experiences. One is in agony. One feels nothing. The scan shows the same joint. But the maps are different.

And this is why treating pain by only looking at the tissue often fails. You can fix the joint and still have the pain — because the map hasn't updated. It's still running the old threat signal even after the tissue has healed.

The scan shows the joint. It tells you nothing about the map. And the map is where the pain actually lives.

Drop a 🙋 if you've ever been told your scan looks fine but you're still in pain 👇

30/04/2026

This is one of the most fascinating things about the human brain.

People who are born without a limb — who never had an arm or a leg from birth — can still feel it as a phantom. They feel fingers they never had. A foot that was never there.

Because the brain's map of the body doesn't get built from experience. It comes pre-loaded. The template exists before the body part does.

You are literally born with a picture of a body you haven't fully grown into yet.

Think about what that means. The map isn't just a recording of your movements and experiences. It's a blueprint that was written into you before you ever took your first step.

And here's why this matters for injury and recovery. When pain, surgery, or months away from normal movement damages that map — you're not just losing strength or range of motion. You're losing something that was built into you from the very beginning.

Rebuilding after injury isn't just about getting the tissue strong again. It's about restoring a blueprint that goes all the way back to before you were born.

That's the layer most rehabilitation never reaches.

Drop a 🤯 if this changes how you think about recovery 👇

29/04/2026

Here's something surprising about how your brain works.

Your brain gives more cortical space to your thumb than your entire thigh.
Not your back. Your entire thigh.

Here's why. Your brain maps your body based on how much precision it needs from each part. Your thumb types, grips, picks things up, touches — your brain needs a highly detailed map for all of that. Your thigh? It generates power and pushes you forward. Your brain gives it barely any map space by comparison.

Which means when you injure your thigh — your quadriceps, your hamstring, your hip — you are injuring a body part your brain was already barely paying attention to. The map was low resolution before the injury even happened.

And after weeks in a brace, in a cast, or avoiding loading it? The map gets even smaller. Your brain pulls resources away from areas that stop sending it clear, precise signals.

This is why thigh injuries and hip problems take so long to feel normal again. The tissue heals relatively quickly. But the brain's map of that area was already fading long before the injury happened — and it needs deliberate, precise input to rebuild.

Strength training alone won't rebuild the map. The brain needs something more specific than that.

Drop a 🙋 if you've had a thigh, hip, or hamstring injury that took longer than expected to feel right again. 👇

28/04/2026

Try this right now.

Sit down and make circles with your right foot. Clockwise. Keep them going.

Now — without stopping your foot — use your right hand to draw the number six in the air.

Your foot just changed direction. You didn't ask it to. Your brain did it automatically.

Here's why. The motor map for your right side is so integrated that the rotational command from your hand overrides the command to your foot. Your brain cannot run two opposite rotations on the same side simultaneously. So it picks one — and your foot follows your hand without asking permission.

This isn't just a funny party trick. It's your motor map showing you exactly how connected movement commands are inside your brain. Your right hand and right foot share overlapping motor territory. When one moves, the other listens.

Now think about what happens when part of that map gets injured. When your ankle is sprained, your knee is operated on, or your hip is in pain for months. The whole integrated system starts compensating. Quietly. In ways you never notice. Until something else starts hurting somewhere unexpected.

That's the map doing what it does — filling gaps, making adjustments, keeping you moving. Whether the adjustments are good for you or not.

Try it and tell me — did your foot change direction? 👇

27/04/2026

Try this right now.

Hold both arms straight out in front of you with both index fingers pointing up. Close your left eye. Fix your right eye on your LEFT finger and keep staring at it without moving your eyes.

Now slowly move your RIGHT finger out to the side.

It disappears.

Not because it moved out of frame. Your brain deleted it.

Every human eye has a blind spot — a hole in your visual field where the optic nerve connects to the retina. There are no photoreceptors there. No visual information comes through at all.

But you never notice it in daily life. Because your brain fills it in automatically. It takes the surrounding visual information and constructs what should be there — presenting it to you as complete, uninterrupted reality.

Your brain is hiding its own gaps from you every second of every day.

And it does the same thing with your body map after injury. The map has gaps — outdated information, missing detail, low resolution areas — and your brain fills them in with the old version of you. The version before you got hurt. It presents that as current reality too.

That is why recovery can stall even when the tissue has healed. The brain is not running the current version.

Try it and drop a comment — tell me exactly when your finger disappears 👇

26/04/2026

Watch Messi receive the ball. His eyes are never on it.

He's already scanning the field before the ball arrives at his foot.
How does he do this?

His brain has such a precise map of his foot that he doesn't need to look at it. He knows exactly where every surface of that foot is in space — without visual confirmation. The ball is controlled entirely by feel.
That's not just skill. That's map quality.

The sharper your brain's internal model of a body part — the less you need your eyes to manage it. Elite performers in every sport operate this way. The movement happens below conscious attention because the map is detailed enough to run it automatically.

Now think about what happens after a foot injury. An ankle sprain. Surgery. The map loses resolution. You start watching your feet when you walk. You hesitate before loading the ankle. You lose the automatic — and it doesn't come back just because the tissue healed.

That's the layer most assessments never reach.

Drop a ⚽ below if you've had a foot or ankle injury that still doesn't feel quite right.

25/04/2026

Most people know that a muscle weakens after injury. Fewer people know what happens to the brain's map of that body part.

Within 24 hours of immobilising a body part — casting it, bracing it, stopping using it — your brain starts reducing its map of that area.

Not weeks. Not months. Hours.

The brain is ruthless about cortical real estate. If you stop sending it precise sensory signals from an area, it starts pulling resources away. The map shrinks. Resolution drops.

This is why a leg in a cast for six weeks comes out feeling foreign. Not just weak — unfamiliar. Like it belongs to someone else. The tissue was protected. But the brain's model of that limb degraded the entire time.

The muscle lost strength. But the map lost detail. And the map is what runs the muscle.

Most rehabilitation programmes spend six weeks rebuilding the muscle. Almost nothing is directed at rebuilding the map.

That's the gap.

Have you ever had a limb in a cast and noticed it felt foreign when it came out? Drop a comment below 👇

24/04/2026

Everyone talks about Cristiano Ronaldo's jump height. His timing. His neck strength.

Nobody talks about his body map.

When Ronaldo is in the air — no ground contact, no visual reference for where his body is in space — his brain is calculating the position of his head, the angle of his neck, and the exact timing of contact entirely from its internal model of his body.

No external feedback. Just the map.

That requires an incredibly precise brain model of the upper body in three-dimensional space. And he places the ball into the corner of the goal while falling.

Here's what most people don't realise. That map is trainable. Your brain's model of your body upgrades with the right input — and degrades without it. After a neck injury, a shoulder surgery, months of pain — the map loses resolution. And performance drops in ways that strength training alone won't fix.

The jump is strength. The header is neurology.

Drop a 🙋 if you've ever had a neck or shoulder injury that affected your performance.

23/04/2026

Try this right now.

Stand in a doorway. Press the backs of both hands outward against the frame as hard as you can. Hold it for thirty seconds.

Now step out and let your arms relax completely.

Your arms will float upward on their own. You are not lifting them. Your brain is.

For thirty seconds your brain recalibrated what resting position means. It built a new normal around the resistance of that door frame. When you step away the frame is gone — but your brain hasn't caught up yet. It's still sending commands based on a model that no longer matches reality.

This is not just a strange trick. This is exactly the mechanism behind what happens after injury. The tissue heals. The cast comes off. The brace gets removed. But the brain is still running the old programme. Still bracing. Still protecting. Still acting like the injury is present.

The body moved on. The brain didn't.

And that gap — between where the body is and where the brain thinks it is — is the layer most rehabilitation never reaches.

Try it and drop a comment below — did your arms float? 👇

22/04/2026

Try this right now.

Hold both index fingers in front of your face with a small gap between them. Focus your eyes on the wall behind your fingers — not the fingers themselves.

Now slowly bring them together.

You'll see a third finger floating between them. A finger that doesn't exist.

Your brain took two slightly different images — one from each eye — and blended them into something that isn't there. It filled the gap. It invented a body part.

Your brain does this constantly. Every second of every day it is filling in missing information and presenting it to you as reality.

Now think about what happens after months of pain. After surgery. After an injury that changes how you move. The map your brain holds of your body gets outdated — but your brain doesn't flag it. It just keeps running the old version and treating it like truth.

The body is one thing. The map your brain uses to run it is another.

Try it below and tell me — did you see the floating finger? 👇

21/04/2026

Here's something most people don't know about their own brain.

Your brain holds a map of your entire body. But it doesn't give every body part equal space.

Your lips, tongue, and fingertips have massive cortical territory — because you use them constantly and with precision. Every conversation, every tap on your phone, every time you pick something up.

Your entire back? Barely represented by comparison.

The brain allocates map space based on use. Precision use builds a detailed map. Neglect shrinks it. This isn't a design flaw — it's the brain being ruthlessly efficient with its resources.

But here's the problem. Your back is the most commonly injured area in the human body. And it starts with some of the lowest map resolution of any body part.

That's not just a structural problem. That's a map problem.

Drop a 🙋 below if you've ever had back pain that just wouldn't go away.

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