Carpopedal Spasm: Why Your Hands Cramp During Breathing Practices".

If your hands have ever curled into a tight, claw-like shape during intense breathing, you are not alone. The first time it happens it can feel alarming, especially when it arrives with tingling around the mouth or in the fingertips. The sensation has a name, carpopedal spasm, and in breathing practices it usually has a clear and well-understood cause.

What is carpopedal spasm?

Carpopedal spasm is an involuntary contraction of the muscles in the hands and feet. The fingers draw together, the thumb folds toward the palm, and the wrists or ankles may bend. The name comes from the Latin words for wrist and foot, which is exactly where it appears.

Medical literature describes it as one form of tetany, a state of heightened excitability in nerves and muscles. Tetany can bring tingling around the mouth and in the fingers, stiffness, clumsiness and muscle cramps (Cleveland Clinic Journal of Medicine).

Why it happens during intense breathing

When you breathe faster or deeper than your body needs, you exhale more carbon dioxide than usual. With less carbon dioxide in the blood, the blood becomes slightly more alkaline, a state physicians call respiratory alkalosis.

That small shift in pH changes how calcium behaves. With fewer hydrogen ions in circulation, the blood protein albumin binds more calcium, so the free calcium that nerves and muscles rely on drops for a while (Cleveland Clinic Journal of Medicine). Total calcium can stay normal, yet even a modest fall in free calcium can make nerves more excitable and trigger tingling and spasm (case report, PMC).

Clinicians have documented the same mechanism in people who hyperventilate because of anxiety (case report, PMC). In an intense breathing practice, it is usually a predictable response of the body to sustained fast breathing, not a sign of disease.

Is it dangerous?

In a healthy person, breathing-related carpopedal spasm usually eases as the breath returns to its natural rhythm and carbon dioxide levels recover. The sensation can be intense and uncomfortable, but it is generally temporary.

Carpopedal spasm also has causes that have nothing to do with breathing. Low calcium, low magnesium or low potassium, parathyroid disorders, vitamin D deficiency, kidney disease and some medications can all produce it (ALiEM, Pan African Medical Journal). That is why it deserves attention when it appears outside a breathing session.

When to see a doctor

Breathing-related spasm is usually harmless, but some situations need medical attention. Talk to a doctor if any of these apply to you:

• The spasms appear without any intense breathing, or they keep coming back.

• The cramping continues after your breath has returned to normal.

• You live with a condition that affects calcium, magnesium, the kidneys or the parathyroid glands, or you take medication that may affect them.

• Seek emergency care if a spasm comes with chest pain, fainting, a seizure, difficulty breathing or tightness in the throat.

How Pneuma Trance® works with these sensations

Pneuma Trance® is more than breathing. Introspective breathing is one stage of a guided process that moves through Preparation, Introspective Breathing, Meditative Trance, Return and Integration. Breathwork opens the door. Meditative trance is where Pneuma Trance® goes.

Physical sensations such as tingling, temperature changes or carpopedal spasm may appear during the introspective breathing stage. Trained facilitators are present throughout every session and can guide you to soften or slow your breath when a sensation becomes too intense.

Before you join a session, read our Safety & Who Can Participate page and our Safety Guidelines & Contraindications. You will find more answers about physical sensations in our FAQ.

This article is for general information only and does not replace medical advice. If you have a health condition or any doubt about your safety, consult your doctor before taking part.

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