Tensor Tympani (Ear Rumbling)

What Is It?

Deep inside each ear, there’s a tiny muscle called the tensor tympani. Its normal job is to contract reflexively in response to loud sounds, tightening your eardrum to protect your inner ear — like a built-in volume limiter.

But some people can control this muscle voluntarily. When they do, it produces a distinctive low rumbling sound that only they can hear. It’s like flexing a muscle — but inside your ear.

If you’ve ever tensed your jaw, closed your eyes tightly, or yawned widely and heard a deep rumbling noise inside your head, you may have been contracting your tensor tympani.

How Common Is It?

• There’s no definitive research on prevalence, but it’s estimated that a significant minority of people can do this
• Many people who can do it assume everyone can — and vice versa
• It appears to be a learnable skill for some people
• It’s closely related to the ability to equalize ear pressure (used by divers and frequent flyers)

How To Do It

Step 1: Identify the Sensation

Try yawning widely with your mouth closed. You may hear and feel a rumbling or tensing inside your ears. That’s your tensor tympani contracting.

Step 2: Isolate the Contraction

Now try to reproduce that tension without actually yawning. Focus on the muscles around your ears and jaw. Some people describe it as “tensing your ears” or “flexing inside your head.”

Step 3: Practice

Like any voluntary muscle control, it gets easier with practice. Try:

• Closing your eyes tightly and focusing on the ear sensation
• Tensing your jaw slightly while focusing on your ears
• Starting with a yawn and gradually reducing the yawn while maintaining the rumble

Tips

• Don’t strain — it should feel like a gentle flex, not forcing
• The sound is always internal — others cannot hear it
• If you can do it with one ear but not the other, that’s normal

Common Misconceptions

• “That’s just tinnitus” — No. Tinnitus is involuntary and constant. Tensor tympani contraction is voluntary and stops when you relax.
• “Everyone can do this” — Not everyone can voluntarily control this muscle, though many can learn.
• “It’s harmful” — Voluntary contraction of the tensor tympani is completely harmless.

Related Abilities

• Eustachian tube opening — The ability to equalize ear pressure on command (useful for flying and diving)
• Ear clicking — Some people can produce a clicking sound by opening their Eustachian tubes
• Rumble + click combo — Some people can do both simultaneously

What To Do

1. Try it — Use our audio comparison above to understand what the rumble sounds like, then try to reproduce it
2. Join the community — Answer our poll to see how many others share this ability
3. Don’t worry — This is a normal anatomical variation. If you can’t do it, that’s perfectly normal too.