Pardon Me? How Spin Class led to Tinnitus

I love the pumping beat of rock music in my spin cycle class. It keeps me on pace, ensuring a good cardio burn. The instructor cranks up the stereo in the small room that holds 15 bikes, donning her microphone so the class can hear her instructions over the music. It’s a blast, literally.

earplugI’m the keen one, front row centre with my cleats locked into the pedals, ready to grind. But you will notice something else – I’m the only one sporting bright orange foam earplugs.

These accoutrements are certainly not a fashion statement, nor a criticism of the music. After all, I am part of the generation that grew up believing louder is better. I had my first Sony Walkman at age 18 and sure loved to crank INXS to excess.

But now, at 46, I suffer from tinnitus – a buzzing noise I hear 24/7. I also have difficulty focusing on conversation in environments with a lot of background noise. Both are warning signs I have some hearing damage. Even worse, it turns out my favourite fitness activities have the potential to hasten my journey into a silent world. I have twenty years to go before I am a senior citizen. So what’s going on?

The Canadian Academy of Audiology defines tinnitus as “the term used for noises or sounds which are heard in one or both ears which do not come from an external source. They are often described as a high-pitched ringing but can also be described as a buzzing, hissing, pulsing, whistling, roaring, or various other sounds.” As many as 360,000 Canadians suffer from tinnitus. Noise exposure is its leading cause, and the Canadian Hearing Society says that hearing loss is occurring at an increasingly younger age.

Remember as a child trying to hear the ocean by holding a seashell to your ear? That’s what tinnitus sounds like to me, only at a higher pitch, like a cricket. It rings louder at night when everything else is quiet. I’m lucky my personal buzz is not very loud; some people suffer from tinnitus so debilitating it leads to increased stress and, in some cases, depression.

I also have difficulty deciphering specific words when there is a competing noise, such as a kitchen faucet. Before realizing I had symptoms of hearing loss, my husband would accuse me of not listening, whereas to me, it seemed he mumbled. How ironic that my teens ask me to turn down the TV and stereo!

Two things can cause noise induced hearing loss (NIHL): actual sound level, measured in decibels (dBA), and the length exposure to high dBA. The louder the sound, the less time it takes for that noise to damage your hearing. According to Health Canada, if sound levels exceed 95 dBA, there is “a significant risk of permanent hearing loss if you are exposed for 45 minutes or more per day.” At more than 105 dBA, significant risk happens when “you are exposed for just 5 minutes per day.”

Hearing loss is cumulative over your lifetime, and it is permanent. NIHL progresses gradually over time and is painless. By the time you notice symptoms, it is too late to prevent it.

M.J. DeSousa, a Toronto audiologist, compares the effects of noise damage to walking on grass. The first few times, the impressions left by your footprints bounce back easily. But over time, the impressions become permanent and the grass is damaged. Similarly, the little hair cells in your inner ear can withstand some abuse, but over time, they cannot recover and hearing loss results.

DeSousa, 41, suffers from mild tinnitus herself. A busy mom, she can’t believe how high noise levels are at her kids’ recreational events such as swim meets, where even the competitors sometimes miss the sound of the starter’s horn. She helped out as a timer at one event and her own ears were ringing afterwards from too much exposure.

Canadian regulations for workplace safety require employers to provide hearing protection for employees where the noise level exceeds 85 dBA (90 dBA in Quebec). But there are no regulations for exposure to recreational noise levels. In these cases, you have to be your own sound level control board, managing both your exposure and duration.

I’ve been an avid fitness fanatic for the last 20 years, participating in everything from aerobics to Spinning and even the new Latin dance fitness craze called Zumba. The sound level in these classes can be deafening…literally, as it turns out. Exposure for an hour, three or four times a week on a regular basis, can add up to significant cumulative damage.

I measured the sound levels in my classes to find out how loud they really are. In the Spinning class, the sound level ranged between 88 and 95 dBA and shot up to 98 when the instructor hollered some motivation for the last few hill climbs. Zumba measured up to 98 dBA at the back of the room, away from the speakers. A friend came over to talk to me after Zumba finished, and although I was only three feet from her, she was shouting at me as if I were across the room.

Margaret Cheesman, Principal Investigator at the National Centre for Audiology at the University of Western Ontario in London, says that people in the 40-plus age group are experiencing fairly high rates of hearing loss, and thinks that a good deal of it is preventable. A 2001 Canadian Hearing Society survey found that hearing loss affects almost a quarter of people between the ages of 40 and 60. Furthermore, 70 percent of those who claimed to have hearing loss were under 60, with an average age of 51.

Frustrated with my own symptoms, I consulted a certified otolaryngologist, who scheduled an audiology test as well as a precautionary MRI to check for internal structural causes.

Surprisingly, the audiology test results showed that my hearing is still within an acceptable range. The doctor found that my tinnitus and focus issues are likely symptoms of NIHL, stating that I will “just have to learn to live with them.” He suggested I try tinnitus retraining therapy, which takes almost two years to complete and involves listening to audiotapes of varying sound levels and retraining your brain to ignore the phantom tinnitus sounds. TRT takes from 18-20 months to complete. If my tinnitus gets worse, I will consider this.

In the meantime, I take DeSousa’s “daily dose” advice to heart. “We need to think about how much noise we are exposed to in a day from all potential sources,” she advises. “For example, if you blow-dry your hair, then hop on the subway with your iPod turned up, then go to a fitness class later, you may be overdoing noise exposure.”

Cheesman says we need to take responsibility for proper sound levels in our environment. She likes to see people actually ask to have the sound turned down and “not make the assumption that we’re the only ones finding it too loud”. She requests this in her own fitness classes and at the movies, “particularly at the beginning when they are running the trailers which are louder than the movie itself.” She doesn’t mind being the one to ask; she sees lots of others plugging their ears with their fingers.

Cheap foam earplugs available at drugstores are very effective if inserted properly. My earplugs reduce sound by 33 dBA, bringing my fitness class exposure down to a level in the sixties, a safe number for any duration of time. Besides, I can still hear every instruction from the drill sergeant at the front.

The best I can do now is to protect the hearing I still have. I don’t care if I look dorky at the gym with my orange earplugs. I don’t want my tinnitus to get worse; when I’m 65, and I want to be able to hear gentle breezes and the laughter of a grandchild.

 

How LOUD can you go?
dBA Sound Source
140 airplane takeoff
110 chainsaw, rock concert
110 MP3 player on max
93 music in fitness class
88 crowded restaurant
60 normal conversation

 

Steps to Healthy Hearing

  • Get your hearing tested. See a doctor if you have persistent ringing in your ears or sudden hearing loss.
  • Practise safe listening. Keep earplugs in your purse or gym bag. Try noise-reducing headphones, and set a volume limit for personal stereos when in a quiet room.
  • Rest. If you have a ringing sensation or muffled feeling after exposure to noise, this means your ears have been overloaded and need some quiet time to recover.
  • Advocate. It’s up to you to ask for the volume to be turned down. If you have to shout into someone’s ear to be heard when you are standing right beside her, the sound level is too high.

Copyright Jane Langille. Originally published in More, October 2009.

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8 Responses to Pardon Me? How Spin Class led to Tinnitus

  1. daliamist October 15, 2015 at 2:23 am #

    Hi… Inspiring post! My 5 year old son seems to suffer from hearing loss. There was normal test i his school where they said he failed his left ear. I was was to take him to an audiologist. I’ve never seen him showing any kind of hearing difficulty but this time when asked he said that he hears a buzzing sound in his ears. My husband says it would be ear infection.. Tomorrow we are taking him for a comprehensive diagnostic hearing evaluation ( http://www.westsideaudiology.com/services/comprehensive-diagnostic-hearing-evaluations/ )at Westside audiology Calgary. I’m scared

    • Jane October 15, 2015 at 9:02 am #

      Thanks for your comment. Ear infections and fluid buildup behind the eardrum are pretty common in children. Good for you to seek a consultation with an audiologist to figure out what’s going on with your son!

  2. Amelia May 12, 2012 at 2:41 pm #

    I am the only person in my Spin Class that wears earplugs… I find that I can also hear what the instructor says better with them in… Glad to see I’m not alone. When people ask about them I say ” I want to be able to hear when I’m 80″ I am 33, and my husband and I wear them to concerts… But many don’t.

  3. Susan B. Foster January 24, 2012 at 9:51 am #

    I was so very happy to find Jane Langille’s article. I am a 64 year old grandmother who has smoked since age 12. I started Zumba classes in July of 2011 and have gone 2 days a week to zumba and 2 days to a shape and sculpt weight class. Both classes use loud music. They helped me to stop smoking, but a couple of weeks ago the tinnitus I have had since my 40’s became so bad I thought I’d lose my mind! It was like someone cranked the volume on my buzzing. I hear it over the television, conversations, just about everything. It’s so loud I can’t sleep and have had to use sleep medication for the past few weeks. Since beginning the exercise classes, I would stuff Kleenex in my ears and have always used this method when at the movies or exposed to loud sounds. Then I began using foam earplugs when the tinnitus got so loud. My Dr. prescribed Nasonex as he thinks it is caused by fluid behind my eardrum – I don’t agree. I think the tinnitus has worsened due to the music. Will the earplugs allow me to continue with the zumba? I’m so afraid the tinnitis will worsen even with ear protection, but I love the exercise. Would value your opinion on this. Thanks, Susan Foster – sandrfoster@aol.com

    • Jane January 24, 2012 at 11:04 am #

      Hi Susan,
      Thanks for your comment, I’m glad you found my story helpful. I can’t say for sure if your tinnitus will worsen even with ear protection, but I would suggest you discuss ear protection further with your doctor or ask for a referral to a hearing specialist who may be able to recommend a better earplug than the foam ones. I find the foam earplugs cut out enough decibels that the sound is in a comfortable range for me and yet I can still hear the fitness instructor’s voice over the music. I use them for any class with loud music, whether it’s a spinning or a body sculpt class. Foam earplugs are a little tricky to use, as you have to hold them for a minute or so until they expand properly in your ear canal to block the sound. Another idea is to ask the instructor to turn down the tunes – I bet you are not the only one who finds it way too loud. Good luck!
      Jane

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