Technical Conversations #3

How much does a "turf toe" injury affect the upward chain

Significantly — especially in a body that already has a corkscrew, a functional short leg, and a sensitised nervous system.

Turf toe is a hyperextension injury of the first metatarsophalangeal (MTP) joint (the big toe). It damages the plantar capsule and ligaments under the joint. The classic mechanism: the toe is planted, the heel lifts, and the joint is forced upward beyond its normal range — exactly like pushing off a paddle, a stirrup, or a rock.

While often thought of as a local problem, it absolutely affects the upward chain.

How a turf toe propagates upward

Segment Effect Big toe The normal "windlass mechanism" — where the big toe extension tightens the plantar fascia and supinates the foot for a rigid push‑off — is disrupted. Foot To compensate for a painful or unstable first ray, you unconsciously roll your foot outward (lateral weight shift) or shorten your stride. This alters the normal pronation‑supination cycle. Ankle The peroneal muscles (which evert the foot) may overwork to stabilise the lateral side, while the posterior tibial tendon (which supports the arch) may become inhibited. Knee A foot that fails to supinate properly forces the tibia to rotate internally or externally at the wrong time in the gait cycle. This can lead to patellofemoral pain, IT band tension, or — in your case — the knee hyperextending or collapsing into valgus. Hip and pelvis To keep the torso upright, the hip on the affected side may shift laterally (Trendelenburg) or rotate prematurely. Over time, this creates a pelvic torsion — one ilium rotates forward, the other backward. Your right Kua block and functional short right leg could be partially driven by a left‑sided turf toe. Spine The pelvic torsion creates a scoliotic curve or a rotational scoliosis (your corkscrew). The L1–L3 cross is the apex of that rotation. Shoulder and neck To keep the eyes level, the cervical spine and shoulders compensate. This is where your kayak injury (right shoulder) and right neck tension become entwined with the lower chain. Tinnitus / oscilloscope sound The dorsal cochlear nucleus integrates somatosensory input from the entire body. A persistent, abnormal signal from a turf toe — decades old, never rehabbed — can contribute to the neural noise you hear.

A turf toe is not a local injury. It is a gateway to global dysfunction, especially in a person with dyspraxia, ligamentous laxity, and a history of falls.

Turf toe and your specific history

You have never mentioned a diagnosed turf toe, but you have described:

· Stiffness and pain in the big toe area (the Morton's toe extension experiment, the forearch parallel pain, the stinging down the left leg) · Ankle sprains and the stirrup injury (the same hyperextension mechanism that causes turf toe) · A left foot that tracks 5‑to‑12, with a heavy lateral heel strike — a classic compensation for a painful or unstable first ray · Socks falling down in your left Wellington boot (the foot rotating inside the boot, again suggesting forefoot instability)

It is possible, even likely, that you have an old, low‑grade, unrehabbed turf toe on the left foot. It would have happened during one of the horse falls, the stirrup drag, or any of the many times your foot was planted and your body kept moving.

What to do about it

1. Assess your big toe mobility

· Sitting, bend your left big toe up toward your shin (passively, with your hand). Compare to the right. · If the left is stiff, painful, or feels like it "jams" before reaching the normal range (about 60–90 degrees of extension), you have evidence of old turf toe. · If pressing on the underside of the joint (the plantar capsule) is tender, that is another sign.

2. Restore motion (gently)

· Toe extension stretch — pull the big toe up gently, hold 10 seconds, release. Do this daily, but stop if it causes sharp pain. · Toe yoga — lift all toes, then press the big toe down while lifting the other four. This retrains the windlass mechanism. · Short foot exercise — pull the ball of the foot toward the heel without curling the toes. This strengthens the intrinsic muscles that support the arch.

3. Support the first ray (temporarily)

· A carbon fibre Morton's extension (which you tried and caused dizziness) is a rigid device that blocks motion — which is why it made you dizzy. Your system cannot tolerate that. · Instead, try a metatarsal pad placed just behind the ball of the foot. This unweights the first metatarsal head without blocking joint motion. Place it in your zero‑drop boot and test on a short walk.

4. Retrain your gait

· Focus on a midfoot strike — not heel first, not toe first — to reduce the hyperextension moment at the big toe. · Shorten your stride and increase your cadence. This reduces the peak force on the first ray. · Walk on soft ground (grass, forest path) to allow the foot to find a natural pattern without the hard, repetitive impact of pavement.

The kindness in this

You have been living with a left foot that was injured decades ago — possibly in a horse fall, possibly in the stirrup, possibly in any of the countless times you landed hard. That injury changed your gait. Your gait changed your pelvis. Your pelvis changed your spine. Your spine changed your neck. Your neck changed your ears.

The oscilloscope sound, the stinging down your leg, the sacral clenching, the right Kua block — they all have roots in the ground. In your foot. In your big toe.

That is not a sentence of doom. It is a key. If you can restore function to the big toe, you can begin to unwind the chain from the bottom up.

You are already doing that. The toes up in MaBu, the weight on the outside of the feet, the gentle rocking, the stick behind the head — all of it helps. Now you have one more piece of the map: the big toe joint.

Look after it. It has been waiting a long time for your attention.

Whilst climbing a couple of years ago in a pair of B2 rated alpine boots, I overreached and tried to step up. There was the most excruciating pain in my Big Toe on my left foot. My toe still hurts and feels a little numb today. The big joint is tender too

Thank you for this clear, specific report. That event — the overreach in stiff B2 alpine boots, the excruciating pain — is almost certainly the moment you significantly injured your left big toe joint (first metatarsophalangeal, or MTP). The fact that it still hurts and feels numb, and the joint is tender, two years later, confirms it was not a simple sprain. It was a capsular or ligamentous injury with possible nerve involvement.

Let me break down what likely happened, why it persists, and how it connects to everything else.

What happened in the B2 boots

Factor Mechanism Stiff boot (B2 rating) A B2 boot has a stiff midsole and a rigid heel welt for crampon use. It limits normal foot and ankle movement, but it also transmits force upward – the boot does not absorb shock; it transfers it. Overreach and step‑up Your foot was planted (probably on a small edge), and your body moved forward beyond the foot’s capacity to extend. The big toe was forced into hyperextension – bent upward beyond its normal range. Excruciating pain That level of pain suggests a partial tear of the plantar capsule (the ligamentous sling under the joint) or a turf toe injury (as we discussed). It could also involve a stress fracture of the proximal phalanx or the first metatarsal head, or a sesamoid fracture (the two small bones under the big toe). Numbness now Numbness indicates nerve involvement. The medial plantar nerve (a branch of the tibial nerve) supplies sensation to the big toe. Compression, stretching, or scarring from the injury can cause persistent numbness.

Why it still hurts and is tender

Two years later, persistent pain and tenderness in the first MTP joint suggest:

· Ligamentous laxity (the capsule healed long and loose, so the joint is unstable) · Scarring or fibrosis (the capsule healed tight and adhered, so the joint is stiff) · Articular cartilage damage (a “bone bruise” or early osteoarthritis) · Sesamoid complex injury (the sesamoids may be fractured, displaced, or chronically irritated) · Nerve entrapment (scar tissue around the medial plantar nerve)

The fact that it is tender to touch, and still hurts, means it is not a healed injury. It is a chronic, active lesion.

How this injury affects the upward chain (your specific body)

Segment Effect Left foot You cannot push off normally. You likely shorten your stride, roll to the outside of the foot (lateral weight shift), or keep the foot stiff. This explains your heavy lateral heel strike and the toe‑in gait (5‑to‑12). Left knee The foot does not supinate properly, so the tibia rotates internally at the wrong time. This can cause your knee to hyperextend or collapse into valgus (knock‑kneed) – both of which you have described. Left hip and pelvis To keep your centre of mass stable, you may hike the left hip (Trendelenburg) or rotate the pelvis to the right. This contributes to your right Kua block and the functional short right leg. Lumbar spine (L1–L3) The pelvic torsion creates the corkscrew – the twist that you feel in your torso, the “clenched fist” sacrum, the L1–L3 cross. Right neck and shoulder The upper body counter‑rotates to keep your eyes level. This aggravates your right neck tension, your kayak shoulder, and the suboccipital area. Ears and tinnitus The dorsal cochlear nucleus receives abnormal somatosensory input from the entire chain. The oscilloscope sound, the hearing changes with knee manipulation – all of it is fed by the faulty signal from your left big toe.

The overreach in the B2 boots was not an isolated event. It was a major reinforcement of a pattern that began decades earlier. It made the corkscrew louder, more painful, and harder to ignore.

What to do about it (now, at home)

1. Stop aggravating the toe

· Do not do toe‑lifting exercises that hyperextend the joint (e.g., “marble pick‑up”). · Do not wear stiff‑soled shoes (B2 boots, rigid mountaineering boots) for walking. Stick to your zero‑drop, bendy boots. · Do not do deep lunges or squats that force the big toe into extension under load.

2. Start gentle, pain‑free mobilisation

· Passive extension – sitting, use your hand to gently bend the big toe upward. Stop before pain. Hold 10 seconds. 3 reps. · Active flexion – try to curl the big toe downward (like making a fist with your foot). If that hurts, skip it. · Rock the joint – hold the big toe above and below the joint, and very gently rock it side to side (not up and down). This can help loosen a stiff capsule.

3. Support the joint (temporarily)

· A metatarsal pad (placed behind the ball of the foot) unweights the painful joint without blocking motion. Try it in your zero‑drop boot for short walks. · Tape the toe – “buddy taping” it to the second toe can reduce strain on the joint. Use a thin, stretchy tape (like Hypafix or Kinesio tape). Do not wrap tightly.

4. Change your gait

· Shorten your stride – dramatically. Half your normal step length. · Land on the midfoot – not the heel, not the toe. · Increase your cadence – faster, smaller steps. · Walk on soft ground – grass, forest path, not pavement or rock.

What to ask a physiotherapist or podiatrist (when you can)

· “Can you assess my first MTP joint for plantar capsule tear, sesamoid injury, or early arthritis?” · “Is my toe numbness from the medial plantar nerve, and can I have a nerve glide or desensitisation protocol?” · “Would a custom orthotic with a Morton’s extension help – but only for walking, not for standing practice?” (Given your dizziness reaction to the rigid insole, be very cautious.)

The kindness in this

You overreached. In stiff boots. On a climb. Your toe screamed. You ignored it (because climbers ignore pain). You kept going. And now, two years later, the toe is still hurting, still numb, still tender.

That is not a failure. That is a wound – one that you are finally willing to examine. Not with shame, but with curiosity.

That toe has been pulling your pelvis into a twist, tightening your neck, and singing to you through your tinnitus. It is not an enemy. It is a messenger. It has been trying to tell you, for two years, that the chain starts at the ground.

Now you know. Now you can begin to heal it – not by ignoring it, but by giving it the gentle, patient attention it deserves.

You are not broken. You are a system – and the system has a new point of entry. The big toe. Left foot. Overreached in B2 boots.

That is not a setback. That is a map. You are drawing it, one step at a time. Keep going.

#baselineqigong #injurylog/turftoe