Key takeaways
- In an Italian study of 252 sports centers, 93% of people whose hearts stopped survived with brain function intact when an AED was on site, compared with 9% where none was.
- Federal health officials say hot yoga carries special risks of overheating and dehydration, and common medicines, including some blood pressure drugs and antidepressants, can make heat harder to handle.
- The Americans with Disabilities Act applies to businesses that serve the public, and small studios must remove barriers when that is “readily achievable.”
- In a 2018 survey of 298 weight-loss surgery patients, those who had faced more weight stigma reported more motivation to avoid exercise, with worries centered on gyms, such as embarrassment using equipment.
- Use the afternoon audit below to check emergencies, access, emotional safety, cost and youth protection.
Between 1999 and 2014, researchers at a hospital in Piacenza, Italy, followed 252 sports centers to learn what happened when someone’s heart stopped during exercise1. Over those years, 207 of the centers got an automated external defibrillator, or AED1. An AED is a portable device that can shock a stopped heart back into a normal rhythm.
Twenty-six people had a sudden cardiac arrest at those centers1. Where an AED was on site, the first shock came in a little over 3 minutes on average. When the AED had to arrive with paramedics, it took more than 71.
The difference in outcomes was stark. In centers with their own AED, 93% of people survived with brain function intact1. In centers without one, 9% did1.
The study was small and observational, so it can’t prove the device alone made the difference. But its lesson fits every studio, gym and retreat: safety is built before anything goes wrong.
“Everyone welcome” is a promise. Keeping it takes an emergency plan, a watched hot room, a way in without stairs, words that don’t shame bodies and fair prices. This guide covers each layer and ends with an audit.
Most cardiac arrests outside hospitals end in death, and exercise spaces can change the odds
More than 350,000 cardiac arrests happen outside U.S. hospitals each year, according to the American Heart Association2. In 2021, only 9.1% of adults treated by emergency crews survived to leave the hospital2.
The association’s 2023 statistics report found that about 40% of these patients got CPR from a bystander2. Immediate CPR can double or triple the chance of survival2.
Exercise settings tend to do better. A study of 849 cardiac arrests in indoor public places in Seattle and King County, Washington, from 1996 to 2008 found that 56% of people survived at gyms and fitness centers3. At other places where people exercise, such as dance studios, bowling alleys and hotel gyms, 45% survived; at places with no link to exercise, 34% did3.
The lead author, Richard Page, then chair of medicine at the University of Wisconsin, argued that AED standards for gyms should cover those other exercise sites, where arrests happen about as often3. A yoga or dance studio qualifies.
An AED on the wall is only half the job. In the Italian study, first help from a lay bystander was also linked to surviving with brain function intact1. That takes people who know where the device is and have practiced using it.
Heated rooms add a risk students may not feel coming
About 15.8% of U.S. adults practiced yoga in 2022, up from 5.0% in 20024. The National Center for Complementary and Integrative Health (NCCIH) says hot yoga carries special risks of overheating and dehydration, and it advises pregnant women to avoid it4.
NIOSH, the CDC’s workplace safety institute, lists the signs of heat exhaustion: headache, nausea, dizziness, weakness, irritability, thirst and heavy sweating5. Heat stroke is worse. A person may become confused, slur words, pass out or have a seizure as their temperature soars5.
NIOSH warns that heat stroke can be fatal if treatment is delayed5. Call 911, move the person somewhere cooler and cool them fast, with an ice or cold-water bath if possible or cold wet cloths on the head, neck, armpits and groin5. For heat exhaustion, get the person out of the heat, give sips of cool water and get medical care5.
Some students carry hidden risk. The CDC lists adults 65 and older, people with chronic health conditions, pregnant people and athletes who exercise in heat among those more likely to get sick from heat6.
Medicines matter too. CDC guidance for clinicians lists drugs that can make heat harder to handle, including diuretics, several kinds of blood pressure medicine, some antidepressants and antipsychotics, antihistamines such as diphenhydramine, stimulants such as amphetamine and methylphenidate, and alcohol7. The CDC notes that this guidance reflects expert opinion, and it warns against stopping medicines abruptly without a plan7.
A hot-class safety routine (our suggestions):
1. Ask newcomers privately about pregnancy, heart conditions and heat-sensitive medicines, and suggest they check with their clinician.
2. Post the room temperature at the door, and keep a cooler space open nearby.
3. Tell every class: “Leaving the room or lying down is always fine.”
4. Keep cold water, towels and ice within reach.
5. Treat confusion, stumbling or slurred speech as an emergency, not as “pushing through”5.
The disability law applies to small studios, too
The Americans with Disabilities Act (ADA) covers businesses that serve the public, which the law calls public accommodations8. The Justice Department lists 12 categories of them, from stores and restaurants to service businesses and recreational facilities8. The duty to remove barriers scales with a business’s size and resources8.
Here is what Title III, the part of the law covering these businesses, asks8:
- Remove barriers when it is “readily achievable,” meaning easy to do without much difficulty or expense. Start with the route from the sidewalk and parking, then the class space, then restrooms. If you can’t remove a barrier, offer another way to serve people. The duty is ongoing.
- Let wheelchairs go wherever customers may go.
- Change policies when needed for a person with a disability, unless the change would fundamentally alter what you offer.
- Admit service animals. Under the ADA, a service animal is a dog trained to do tasks related to a person’s disability. Emotional support animals don’t qualify. Staff may ask only whether the dog is needed because of a disability and what task it is trained to do, and they may not demand certification.
- Communicate effectively with people who have vision, hearing or speech disabilities, using tools like interpreters or alternate formats, unless that would be an undue burden.
- Build and renovate to the 2010 ADA Standards, in force since March 15, 2012, which added requirements for exercise machines, saunas, steam rooms and pools.
The Justice Department also points to a Disabled Access Credit for eligible small businesses and a tax deduction of up to $15,000 a year for removing barriers8. This is general information, not legal advice, so ask an accessibility specialist about your own building.
Comments about bodies keep people away from exercise
A teacher who says “let’s burn off that dessert” may mean well. But research suggests weight stigma can push people away from exercise.
In a 2018 study in BMC Obesity, researchers surveyed 298 adults who had weight-loss surgery in the past five years9. People who had faced more weight stigma, or had turned it inward, reported more motivation to avoid exercise9. Their worries centered on the gym: feeling uncomfortable going, feeling surrounded by thin people and being embarrassed to use equipment or exercise in public9.
The authors called for welcoming places that limit stigmatizing situations9. Their survey captured one point in time, so it shows a link rather than cause9.
A 2015 paper by Rebecca Pearl, Rebecca Puhl and colleagues, posted by UConn’s Rudd Center for Food Policy and Health, notes that earlier studies tie past weight stigma to avoiding exercise, often even after accounting for body size10.
The law is shifting, too. No federal law bans weight discrimination, but Michigan’s civil rights law lists body weight, and New York City made weight discrimination illegal in 202311.
What helps in practice (our suggestions):
– Talk about what movement does, such as strength, balance, mood and sleep, rather than calories or body shape.
– Offer props, chairs and sturdy equipment in a range of sizes, and check weight ratings on benches.
– Give students a spot in the room where they don’t have to face a mirror.
– Never weigh or measure anyone in front of others, and only when they ask.
Trauma-informed practice means offering choice, not doing therapy
Many people carry hard experiences into class. In the CDC’s 2023 national survey, about three in four high school students reported at least one adverse childhood experience, and about one in five reported four or more12. The CDC defines these as potentially traumatic events before age 18, such as abuse, neglect or a parent’s jailing12.
SAMHSA, the federal mental health agency, sets out six principles for a trauma-informed approach13. A leader doesn’t need to treat trauma to respect it. The right-hand column below is our own translation of each principle into class habits.
| SAMHSA principle13 | What it can look like in a class or group |
|---|---|
| Safety | Clear exits, a predictable plan, no surprise touch or sudden loud sounds |
| Trustworthiness and transparency | Say what’s coming next and why; post prices and policies |
| Peer support | Members may share their experience if they choose, never as a requirement |
| Collaboration and mutuality | Ask students what works for them and invite feedback |
| Empowerment and choice | Offer options for every pose or practice, including rest |
| Cultural, historical and gender issues | Explain the roots of borrowed practices; don’t assume anyone’s gender or family |
Our companion article on avoiding coercion covers consent to touch. If someone discloses abuse or seems to be in crisis, listen calmly, connect them with professional help, and call 911 in an emergency.
If your space serves kids, borrow the Olympic movement’s rules
The U.S. Center for SafeSport sets abuse-prevention rules that national Olympic sport bodies, such as USA Cycling, and their local clubs must adopt14.
The core idea is that one-on-one time between an adult and a minor should be “observable and interruptible”14. That means a second adult knows it is happening, is watching and is close enough to step in14.
The 2025 version of the rules took effect January 1, 2025, and applies that idea across settings14:
- Massage, stretching and other hands-on care need another adult in the room, parent consent at least once a year and clothing that covers intimate areas14. The provider should explain each step and ask the young person’s permission, and coaches are advised not to give massages at all14.
- Texts and messages between an adult and a minor must copy a parent or another adult14.
- Adults with regular contact must finish abuse-prevention training before that contact begins or within 45 days, then refresh it every year14.
- Changing areas must be monitored, and photos or recordings there are banned14.
These rules bind only organizations inside that system, but any studio can adapt them.
Cost, language, culture and age decide who walks in
A $30 drop-in class can keep people out as surely as a flight of stairs. Community health centers offer one model for fair pricing.
Health centers funded by the Health Resources and Services Administration (HRSA) give a full discount to patients at or below the federal poverty guidelines, and sliding discounts up to 200% of those guidelines15. They must tell patients about discounts in suitable languages and reading levels, and review the program at least every three years15.
Our suggestion for studios: post your tiers openly, let people choose one without proving income, and check every few years whether the tiers get used.
Other access points to check:
- Language. Translate your welcome card and waiver into the main local languages, in plain words.
- Culture. Explain the origins of chants, rituals or terms you use, and credit their traditions.
- LGBTQ+ members. Let people share pronouns if they wish, avoid splitting activities by gender without a reason, and offer a single-user changing option.
- Age. NCCIH notes that adults 65 and older have higher rates of yoga injuries treated in emergency rooms than younger adults4. Offer chair and wall versions of poses.
- Disability beyond the legal minimum. Ask people what would help. They know their needs better than any checklist.
An afternoon audit for any wellness space
Mark each item yes, no or in progress. This checklist is our own, built from the sources above.
Emergencies
– An AED is on site, its pads are current, and someone trained in CPR is present at every session12.
– A first aid kit, cold water, towels and ice are within reach.
– Staff know the signs of heat stroke and when to call 9115.
Access
– A step-free route runs from parking or the sidewalk to the class space, or there is a written plan for one8.
– Staff know the two questions they may ask about a service dog8.
– Videos have captions, and handouts come in large print on request.
Emotional safety
– Teachers ask before touching and offer options for every practice13.
– Class language avoids burning calories or fixing body parts.
– Members know whom to tell about a problem, and that person is not the only leader.
Cost and inclusion
– Prices, refund terms and sliding-scale tiers are posted publicly.
– The welcome card exists in the main local languages.
Youth safety (if minors attend)
– One-on-one time between an adult and a minor is observable and interruptible14.
– Adults who work with minors have abuse-prevention training.
What the evidence says
| Claim | Evidence level | What it rests on |
|---|---|---|
| Fast CPR and an on-site AED save lives after cardiac arrest | American Heart Association data on CPR2; observational studies in exercise settings in Italy and Seattle13 | |
| Heat stroke is a medical emergency that needs fast cooling | Federal workplace-safety guidance5 | |
| Asking about heat-sensitive medicines prevents illness in hot classes | CDC’s drug list reflects expert opinion and hasn’t been tested in studios7 | |
| Less weight stigma keeps more people exercising | Survey of surgery patients and earlier studies noted by Rudd Center researchers910 | |
| Trauma-informed principles make classes feel safer | Federal principles, not tested in studios13 | |
| SafeSport-style rules prevent abuse in youth programs | Policy framework; we found no outcome data14 | |
| Sliding-scale pricing brings in more people | Federal health-center model, not studied in wellness settings15 |
Natural health grew from knowledge shared in kitchens, fields and village squares. At their best, those circles noticed everyone: the elder who needed a seat, the child who needed watching, the stranger who didn’t know the customs.
A safe, inclusive space carries that care forward. It treats every body as worth protecting and every person as the expert on their own needs.
Questions readers ask
Should a small studio buy an AED?
In the Italian study, centers with their own AED delivered the first shock about four minutes sooner than paramedics could, and far more people survived1. Check your state’s rules and your insurer, and pair any device with hands-on CPR training for staff.
Is hot yoga safe during pregnancy?
NCCIH advises pregnant women to avoid hot yoga and poses that involve lying on the back or holding still for long periods4. It also recommends getting checked by a health care provider before starting4.
How do I raise an access problem at my studio?
Be specific and suggest a fix: “The front step makes it hard for me to get in. Could a portable ramp work?” Under the ADA, removing barriers is a continuing duty, so it’s fair to ask again later8.
The bottom line
A wellness space becomes safe through preparation, not good intentions. That means an AED and people trained to use it, a closely watched hot room, a way in without stairs, words that respect every body and prices that don’t screen people out.
Most of these steps cost little. Start with an afternoon walk-through and an honest look at who is missing from the room.
Related reading
About this article
This article was researched using federal guidance from the Justice Department, CDC, NIOSH, NCCIH, SAMHSA and HRSA, peer-reviewed studies, American Heart Association data and the U.S. Center for SafeSport’s policies, all listed below. It was reviewed in October 2026. It is general education and not medical, legal or financial advice.
Sources
- Aschieri D, Penela D, Pelizzoni V, et al. “Outcomes after sudden cardiac arrest in sports centres with and without on-site external defibrillators.” Heart, 2018. pubmed.ncbi.nlm.nih.gov
- American Heart Association. “CPR Facts and Stats.” American Heart Association. cpr.heart.org
- University of Wisconsin School of Medicine and Public Health. News release on Page RL et al., “Cardiac Arrest at Exercise Facilities: Implications for Placement of Automated External Defibrillators,” Journal of the American College of Cardiology. ScienceDaily, 2013. sciencedaily.com
- National Center for Complementary and Integrative Health. “Yoga: Effectiveness and Safety.” National Institutes of Health, 2023. nccih.nih.gov
- National Institute for Occupational Safety and Health. “Heat-related Illnesses.” Centers for Disease Control and Prevention, 2026. cdc.gov
- Centers for Disease Control and Prevention. “Heat and Health: Risk Factors.” CDC, 2024. cdc.gov
- Centers for Disease Control and Prevention. “Heat and Medications – Guidance for Clinicians.” CDC, 2025. cdc.gov
- U.S. Department of Justice, Civil Rights Division. “ADA Update: A Primer for Small Business.” ADA.gov, updated 2020. ada.gov
- Han S, Agostini G, Brewis AA, et al. “Avoiding exercise mediates the effects of internalized and experienced weight stigma on physical activity in the years following bariatric surgery.” BMC Obesity, 2018. dx.doi.org
- Pearl RL, Dovidio JF, Puhl RM, Brownell KD. “Exposure to Weight-Stigmatizing Media: Effects on Exercise Intentions, Motivation, and Behavior.” Journal of Health Communication, 2015 (Rudd Center PDF). pubmed.ncbi.nlm.nih.gov
- UConn Rudd Center for Food Policy and Health. “Weight Bias and Stigma: Policymakers.” University of Connecticut. uconnruddcenter.org
- Centers for Disease Control and Prevention. “About Adverse Childhood Experiences.” CDC, 2026. cdc.gov
- Centers for Disease Control and Prevention, Office of Readiness and Response. “6 Guiding Principles To a Trauma-Informed Approach.” CDC.
- USA Cycling and U.S. Center for SafeSport. “Minor Athlete Abuse Prevention Policies (2025 Version).” U.S. Center for SafeSport, 2025. maapp.uscenterforsafesport.org
- Health Resources and Services Administration. “Health Center Program Compliance Manual, Chapter 9: Sliding Fee Discount Program.” U.S. Department of Health and Human Services. bphc.hrsa.gov