6 breaths per minute
6 breaths to strength
6 breaths per minute
6 breaths to strength
6 breaths to strength
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HYPOXiX uses evidence-based, scientifically tested breathing to increase deep core strength and total-body power — without unnecessary strain. Breathing at 6 breaths per minute helps regulate the nervous system during and after training, accelerating recovery and reducing the risk of injury and burnout.
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HYPOXiX is a revolutionary fitness method combining intentional breathwork + smart exercise that achieves high-impact mental and physical results
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Elite tools and science-backed programming designed to unlock your strongest core, peak resistance power, and total-body evolution.
GREATER CORE STRENGTH build killer core-awareness and connectivity. Awareness is the key to change and Ab-Ribbon is your virtual trainer, enhancing mind-core connection to properly support, protect, shape, and engage during your workout
AB-RIBBON
BETTER BAND KIT with a resistance range of 4lbs to 80lbs, latex-free tubular bands for superior hand-comfort, a unique zero-slack mounting point mechanism, and ultimate portability, BANDSQUID is a Better Band Kit with everything you need for HYPOXiX program
BANDSQUID
HUNDREDS OF WORKOUTS plug into hundreds of workouts taught by celebrity-trainer AJ Fisher. HYPOXiX workouts are designed to scientifically progress the body over 8-week periods to accelerate physiological change and prevent stagnation or over-training that can stall results
HYPOXIX Studio
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Meet the Creator
AJ Fisher is a former Broadway performer turned exercise scientist and founder of the HYPOXiX® Method, a research-driven system integrating breath science, functional strength, and simulated altitude training.
After performing at the highest level and training A-list celebrities and high-performing professionals, she transitioned her work toward optimizing cognition, body composition, and nervous system resilience through controlled breathing and altitude adaptation. She developed proprietary tools including the BANDSQUID™, the Ab-Ribbon™, and a progressive hypoxic breathing system that allows individuals to simulate the adaptive effects of altitude training from home while building elite-level core control.
Her work places particular emphasis on postpartum recovery, using precision breathing and strength protocols to restore the nervous system and rebuild deep core integrity safely and scientifically.
As an exercise scientist currently leading her third formal research study, AJ directs the HYPOXiX Institute — an in-person altitude performance facility focused on cognition and human performance — and its affiliated 501(c)(3) nonprofit dedicated to advancing research in breathwork and exercise while providing education to the New York City community.
NYC HYPOXiX CLASS
ALTITUDE TRAINING
BODY COMPOSITION TESTING
ALTITUDE TRAINING
BODY COMPOSITION TESTING
The HYPOXiX INSTITUTE NYC offers high altitude rentals, altitude small group class, and body composition testing.
Sea level hypoxic training is altitude training without being on a mountain. You are exercising, resting, or sleeping in an environment made up of less oxygen than that at sea-level (21%) in order for the body to adapt to the lower than normal oxygen levels.
The beneficial physiological outcomes of adapting to low oxygen including enhanced endurance, energy, cognition, strength, and body composition.
The next HYPOXiX Collective starts in
A focused 8-week journey designed to transform strength, recovery, and performance.
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Discover the essential tools behind the HYPOXiX method — precision-designed equipment and guided programs that work together to build strength, control, and sustainable performance.
Tools That Support the Method
Tools That Support the Method
Designed to enhance breath control, improve efficiency, and support smarter, low-impact training.
Train From Within. Perform Beyond Limits
HYPOXiX Fitness combines breath control, intelligent tools, and structured programs to build real core strength without unnecessary strain.
Designed for sustainable performance, deeper activation, and long-term results — this is training that works with your body, not against it.
Real Results. Measured Transformation
★★★★★"AJ's training system is the Harvard of boot camps; the Broadway of rhythm and joy; and the Mayo Clinic of exercise science - resulting in jaw dropping transformations."
Nicole J
Hudson, NY
★★★★★"I am for the most part without back pain for the first time in decades.The breath work has given me the "brace" that I need to do these movements. AJ Fisher is the total bomb, I've never met anyone in the fitness industry with the breadth of knowledge education and coaching skills.."
Adele M
Brooklyn NY
★★★★★"I just want you to know that in the past few days, I have had three people ask what I am doing to look so good, one just now by the pool and at 58 years of age, I am wearing a two piece!"
Melinda D
Roanoke VA
★★★★★"The breathing routine brings everything together, making it the most efficient and effective workout I have ever experienced. After completing 4 months of Hypoxix training, my overall endurance with other athletic activities is unbelievable!"
Greg C
Middleboro MA
Celebrities love it too!
★★★★★"Obviously, the whole thing was a prank and shared in good fun. Schumer even made it a point to note that Fisher is actually an "amazing" trainer. "[She's] the reason I feel strong and good and have recovered from my herniated discs and C-section," Schumer wrote. - FAITH BRAR for SHAPE magazine
Amy Schumer
Amy Schumer Sent Her Trainer a Real Cease and Desist Letter for Making Her Workouts Too "Extreme"
★★★★★"For the last three years, I've worked out with my trainer AJ Fisher, three or four times a week. I started working with her when I got the role of Okoye. I was about to go into pre-production, and I felt like I needed to amp up my fitness and endurance. I call her the MacGyver of trainers because she can create an elaborate course in your living room with just a coffee table and a couple of resistance bands. She mixes things up--it's never the same workout, so your body can't get used to it." - DANAI GURIRA speaking to SHAPE
Danai Gurira
How Danai Gurira Trained for Some of Her Most Iconic, Badass Roles
★★★★★"When she needs to kick her training up a notch, she schedules sessions with her longtime trainer, AJ Fisher. Rooted in a precision method she created, Fisher’s workouts focus on balancing muscle function and boosting strength and flexibility. The technique is especially beneficial for Lauren, who suffers from achy hips and lower back pain from a herniated disc after being rear-ended twice and injuring her tailbone when she fell while waitressing back in her 20s. Through it, she learned to do muscle activations before starting cardio: deep exhalation ab exercises and engagements of the muscles on either side of the spine to “turn on the right muscle to walk,” says Lauren. Exercising is less painful because of these small movements.."
Lauren Cohan
‘Walking Dead’ Star Lauren Cohan Says A Social Media Break Helped Slay Her Real-Life Demons
★★★★★I do some form of exercise. I have so many injuries, I’m pretty much an orhopedic nightmare. I work with AJ Fisher of, who is really patient and intelligent about how not to get hurt. Otherwise I go to a yoga class.
Jessica Seinfeld
I work with AJ Fisher of, who is really patient and intelligent about how not to get hurt.
★★★★★“AJ collaborated with Stella McCartney and Karlie Kloss on an Adidas international campaign.”
Karlie Kloss x Adidas x Stella McCartney campaign
★★★★★“AJ integrated breath control with strength design to prepare Gwyneth Paltrow for this Harper’s Bazaar grocery-store cover shoot.”
Gwyneth Paltrow Harper’s Bazaar shoot
★★★★★Christian Serratos
AJ trained Christian Serratos for her role in Selena
★★★★★Corey Stoll
AJ trained Corey Stoll for his role as Michael Prince in Billions
