About us

For nearly four decades, Keiser has influenced the training of athletes, fitness enthusiasts and rehabilitation experts worldwide with better fitness products that unite both components of human performance: the force you produce, and the speed at which you produce it. 

CHANGING THE

World of fitness

For over 40 years, Keiser has been changing the way people of diverse ages and abilities exercise, while helping to improve their performance and quality of life. However, this success story began over 45 years ago when Dennis Keiser was hired to design the first variable resistance machines for a leading manufacturer. A year later he launched "Commercial Design", a consulting engineering company that specialized in exercise equipment design. In 1976 Dennis' brother Randy joined him and a year later they formed Keiser Corporation. After a number of patents in both weight stack variable resistance design and hydraulic resistance design, Dennis applied for patent protection on a totally new concept for variable resistance using compressed air (pneumatics). In 1978 the brothers introduced to the world the first air powered variable resistance exercise machines for building strength and power.

More than 80% of the top professional sports teams in the world now train on Keiser machines, including every baseball team in the majors, the soccer champions of nine countries, several American football champions and countless Olympians. They’re joined by everyone from NASA to Navy Seals, medical experts and rehabilitation specialists, and major gyms like LA Fitness.

With more than 300,000 Keiser Indoor Bikes sold worldwide, trainers and fitness facility managers agree that our award-winning, groundbreaking cardio M Series, built on magnetic resistance technology, offers a simply better ride.

dennis-and-randy-keiser-of-keiser-corpor

Since its inception, Keiser has always been at the cutting edge of the industry, and remains there today with a full range of fitness products for the young and the young-at-heart.

From elite testing equipment to strength and stretching machines, we offer it all. And beyond the products and services that exceed customers' expectations, Keiser offers educational and marketing tools to help them achieve greater success. As a matter of fact, Keiser has been involved in over 80 peer-reviewed and published research studies on strength training and its effect on aging—making it the undisputed leader in serving the needs of an aging population, the fastest-growing segment of the market. But the secret to Keiser's longevity and success has always been its people and the success experienced by their customers.

Dennis Keiser
Meet the man behind the machines

Our partners

EXOS

EXOS’ mission is to provide the finest methods, specialists and facilities seamlessly integrated to efficiently and ethically enhance athletes' performance. EXOS applies a multi-faceted methodology that generates results.

EXOS

EXOS’ mission is to provide the finest methods, specialists and facilities seamlessly integrated to efficiently and ethically enhance athletes' performance. EXOS applies a multi-faceted methodology that generates results.

Leaders Performance Institute

Keiser are proud partners and Official Strength and Conditioning Partner of the Leaders Performance Institute, an unrivaled network of the world’s elite high performance community that challenges thinking and shares insights spanning all sports, and all aspects of performance.

Leaders Performance Institute

Keiser are proud partners and Official Strength and Conditioning Partner of the Leaders Performance Institute, an unrivaled network of the world’s elite high performance community that challenges thinking and shares insights spanning all sports, and all aspects of performance.

LA Fitness

LA Fitness is the premier fitness club in the US. Their facilities feature state of the art equipment and feature Keiser's M3 Indoor Cycle training.

LA Fitness

LA Fitness is the premier fitness club in the US. Their facilities feature state of the art equipment and feature Keiser's M3 Indoor Cycle training.

David Lloyd Leisure

David Lloyd Leisure is the leading racquets, health and fitness club group in the U.K. with 59 clubs across the country and over 300,000 members. Across all clubs David Lloyd Leisure has around 10,000 exercise machines and offers over 3,000 exercise classes per week, including M3 cycling.

David Lloyd Leisure

David Lloyd Leisure is the leading racquets, health and fitness club group in the U.K. with 59 clubs across the country and over 300,000 members. Across all clubs David Lloyd Leisure has around 10,000 exercise machines and offers over 3,000 exercise classes per week, including M3 cycling.

National Academy of Sports Medicine

At the National Academy of Sports Medicine (NASM), our mission is to provide world-class fitness professionals with the knowledge and tools to transform lives. We help personal trainers, coaches, their clients and anyone with a passion for fitness live healthier and happier lives.

National Academy of Sports Medicine

At the National Academy of Sports Medicine (NASM), our mission is to provide world-class fitness professionals with the knowledge and tools to transform lives. We help personal trainers, coaches, their clients and anyone with a passion for fitness live healthier and happier lives.

Functional Movement Systems

Functional Movement Systems was founded by leader in the field, Gray Cook. Gray Cook is a physical therapist, author, and educator, who has designed complete physical therapy sessions utilizing the functionality of Keiser equipment.

Functional Movement Systems

Functional Movement Systems was founded by leader in the field, Gray Cook. Gray Cook is a physical therapist, author, and educator, who has designed complete physical therapy sessions utilizing the functionality of Keiser equipment.

International Health, Racquet and Sportsclub Association

IHRSA is a trade association serving the health and fitness club market sector. IHRSA's mission is to grow, protect, and promote the health and fitness market sector, and to provide its members with benefits that will help them be more successful.

International Health, Racquet and Sportsclub Association

IHRSA is a trade association serving the health and fitness club market sector. IHRSA's mission is to grow, protect, and promote the health and fitness market sector, and to provide its members with benefits that will help them be more successful.

IDEA Health and Fitness Association

IDEA is the world's leading membership organization of health and fitness professionals, with more than 19,000 members in over 80 countries. Since 1982, IDEA has provided health and fitness professionals with unbiased data, pertinent information, educational resources, career development and market sector leadership.

IDEA Health and Fitness Association

IDEA is the world's leading membership organization of health and fitness professionals, with more than 19,000 members in over 80 countries. Since 1982, IDEA has provided health and fitness professionals with unbiased data, pertinent information, educational resources, career development and market sector leadership.

The American Council On Exercise

The American Council on Exercise is a nonprofit organization committed to enriching quality of life through safe and effective physical activity. As America's Authority on Fitness, ACE protects all segments of society against ineffective fitness products, programs and trends through its ongoing public education, outreach and research.

The American Council On Exercise

The American Council on Exercise is a nonprofit organization committed to enriching quality of life through safe and effective physical activity. As America's Authority on Fitness, ACE protects all segments of society against ineffective fitness products, programs and trends through its ongoing public education, outreach and research.

National Strength And Conditioning Association

As the worldwide authority on strength and conditioning, the NSCA supports and disseminates research-based knowledge and its practical application to improve athletic performance and fitness.

National Strength And Conditioning Association

As the worldwide authority on strength and conditioning, the NSCA supports and disseminates research-based knowledge and its practical application to improve athletic performance and fitness.

Mike Boyle Strength & Conditioning

Michael Boyle is the foremost expert on Strength and Conditioning, Functional Training and general fitness. When he is not lecturing, teaching, training and writing he spends his time directing Mike Boyle Strength and Conditioning, one of the first for-profit strength and conditioning companies in the world.

Mike Boyle Strength & Conditioning

Michael Boyle is the foremost expert on Strength and Conditioning, Functional Training and general fitness. When he is not lecturing, teaching, training and writing he spends his time directing Mike Boyle Strength and Conditioning, one of the first for-profit strength and conditioning companies in the world.

International Council on Active Aging

The International Council on Active Aging (ICAA) was founded in the belief that unifying the efforts of the organizations focused on older adults benefits both the people they reach and the organizations themselves. Today, the vision is shared by over 10,000 organizations connected to the ICAA network.

International Council on Active Aging

The International Council on Active Aging (ICAA) was founded in the belief that unifying the efforts of the organizations focused on older adults benefits both the people they reach and the organizations themselves. Today, the vision is shared by over 10,000 organizations connected to the ICAA network.

Age Performance

Most chronic illnesses and limitations associated with age have nothing to do with aging but rather inactivity. Age Performance's unique fitness concepts and programs are designed so that your health span matches the duration of your life span so you may continue to remain healthy and perform better physically.

Age Performance

Most chronic illnesses and limitations associated with age have nothing to do with aging but rather inactivity. Age Performance's unique fitness concepts and programs are designed so that your health span matches the duration of your life span so you may continue to remain healthy and perform better physically.

Kay Van Norman

Kay Van Norman is recognized worldwide as an expert in active aging. Her unique perspective on healthy aging is a simple but profound revelation: wonderful programs, equipment, instructors and settings do little to motivate people to change lifestyles. To change lifestyles you must first change belief systems about aging.

Kay Van Norman

Kay Van Norman is recognized worldwide as an expert in active aging. Her unique perspective on healthy aging is a simple but profound revelation: wonderful programs, equipment, instructors and settings do little to motivate people to change lifestyles. To change lifestyles you must first change belief systems about aging.

The Still Hopes Wellness Program

The Still Hopes Wellness Program strives to help all participants achieve their full potential in mind, body and spirit. This is achieved through physical and mental exercise, healthy lifestyle practices and education; thereby reducing frailty, chronic disease and emotional stress, and promoting self-reliance, humor and wellness.

The Still Hopes Wellness Program

The Still Hopes Wellness Program strives to help all participants achieve their full potential in mind, body and spirit. This is achieved through physical and mental exercise, healthy lifestyle practices and education; thereby reducing frailty, chronic disease and emotional stress, and promoting self-reliance, humor and wellness.

Cycling Fusion

With the industry on the cusp of entering into the "power zone", Gene Nacey, MPH, founder of Cycling Fusion and Global Ride Productions, has created a completely new approach to indoor power training directed at the recreational cyclist and the indoor cycling population.

Cycling Fusion

With the industry on the cusp of entering into the "power zone", Gene Nacey, MPH, founder of Cycling Fusion and Global Ride Productions, has created a completely new approach to indoor power training directed at the recreational cyclist and the indoor cycling population.

Heart Zones

Heart Zones Cycling is the original heart rate and power meter cycling program fusing indoor and outdoor cycling experience together. Using the Keiser M3 featuring their innovative M Series Computer, Heart Zones Cycling program includes both consumer and cycling instructor certifications and programs.

Heart Zones

Heart Zones Cycling is the original heart rate and power meter cycling program fusing indoor and outdoor cycling experience together. Using the Keiser M3 featuring their innovative M Series Computer, Heart Zones Cycling program includes both consumer and cycling instructor certifications and programs.

Spivi

Smart Training Systems for health clubs. Track your members’ real-time performance data, deliver mind-blowing workout experiences, provide spot reservation services on your website, offer post workout data analysis, all to recruit new members, keep them engaged, and make them part of your community.

Spivi

Smart Training Systems for health clubs. Track your members’ real-time performance data, deliver mind-blowing workout experiences, provide spot reservation services on your website, offer post workout data analysis, all to recruit new members, keep them engaged, and make them part of your community.