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50+ Years
experience
Transform Your Movement Health With MOSSA Programs
MOSSA has dedicated five decades to inspiring millions to move, evolving from pioneering health club ownership to leading innovator in group fitness programs. Our mission centers on transforming movement health through inclusive workouts that bridge fitness and functional mobility. With proprietary M4 Programming combining movement, music, motivation, and metrics, we deliver professionally tested workouts that improve physical resilience and daily living capabilities.

Backed by 300+ hours of development per program and 150+ field tests, we ensure safety and effectiveness while partnering with top fitness facilities globally. Our team of fitness professionals and physical therapy advisors like Dr. Lauren Polivka create solutions like the De-Desk Your Body series to combat sedentary lifestyle impacts through accessible 6-8 minute movement sessions.
Services
Group Fitness On Demand Workouts De-Desk Your Body Instructor Training Movement Health
Details
  • Year established: 1970
Highlights and features
  • We develop workouts tested by 150+ instructors and thousands of participants before release
  • Our proprietary M4 Programming combines movement, music, motivation, and metrics
  • We partner with health clubs and YMCAs in 25,000+ global locations
  • Our De-Desk Your Body series combats sedentary lifestyle impacts through mobility sessions
  • We incorporate Fundamental Movement Categories identified by the Institute of Motion
What people say
Better mobility Accessible workouts Motivating music Instructor expertise Flexible scheduling
Services
Group Fitness Programs
Our professionally developed group workouts combine biomechanical principles with engaging music in formats like Group Power and Athlete30. Each program undergoes 300+ development hours and 150+ field tests to ensure safety and effectiveness. Classes improve functional movement patterns while building strength and cardiovascular endurance through scientifically structured intervals.
MOSSA On Demand
Access club-quality workouts anytime through our streaming platform featuring 200+ programs across 12 modalities. Subscribers receive new content quarterly including strength training, HIIT, and mobility sessions with adjustable intensity levels. Music-engineered workouts maintain consistency with facility programs while offering home workout flexibility.
Instructor Training
Live and online training programs prepare fitness professionals to deliver MOSSA workouts with proper technique and coaching methodology. Training includes music synchronization practice, movement pattern instruction, and motivational strategies across multiple programming formats without requiring prior experience.
De-Desk Your Body
Six targeted movement sessions reverse negative effects of prolonged sitting through mobility drills and stretching sequences. Developed with physical therapy expert Dr. Lauren Polivka, these 6-8 minute workouts require minimal equipment and can be performed at home or office environments to improve postural balance.
Movement Health
Our programming addresses six fundamental movement categories essential for maintaining physical independence: bending, squatting, lunging, walking, ground transitions, and rotation. Workouts incorporate these elements to enhance daily living capabilities and prevent mobility limitations through progressive strength and flexibility training.
People
Rich Boggs
Founder
Fitness industry pioneer with five decades of experience, founder Rich Boggs established MOSSA after transforming his personal health struggles into a successful chain of health clubs. His vision drives the company's focus on movement-based wellness solutions.
Cathy Spencer-Browning
VP of Programming and Training
Fitness industry innovator Cathy Spencer-Browning leads MOSSA's programming development, emphasizing movement health over traditional exercise. With expertise in music engineering and motivational strategies, she shapes the company's educational content and instructor training systems.
Dr. Lauren Polivka
Physical Therapy Advisor
Licensed physical therapist and Northwestern University graduate Dr. Lauren Polivka develops MOSSA's mobility-focused programming. Her expertise in musculoskeletal rehabilitation created the De-Desk Your Body series targeting postural imbalances from sedentary lifestyles.
Questions
How do MOSSA workouts differ from other fitness programs?
Our proprietary M4 Programming integrates movement science, custom-engineered music, motivational coaching, and extensive field testing to create workouts that improve functional mobility while remaining engaging.
Can beginners participate in MOSSA programs?
All workouts include modifications for different fitness levels, with scalable intensity options. Both new exercisers and athletes benefit from our movement-pattern focused approach.
What equipment is needed?
Most workouts require only body weight. Some sessions use resistance bands or fitness balls, which are included in recommended equipment packages for home workouts.
How often should I do De-Desk sessions?
We recommend five minutes of movement every two hours seated, making 2-4 sessions daily optimal for office workers combating sedentary posture effects.
How to become an instructor?
Connect with a licensed facility, select live or online training, complete certification, then receive quarterly program updates. No prior experience required with fitness passion.
What music styles are used?
Our curated playlists feature remixed chart-topping hits from multiple decades, engineered for optimal workout pacing with adjusted beats-per-minute and modified lyrics.
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