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Business Details
13 Years
experience
Your Trusted Partner for Personalized Fitness & Wellness Solutions
Since 2013, Lateral Fitness has been dedicated to transforming the way individuals approach health and wellness in Chicago's Gold Coast/River North area. Our mission centers on creating a knowledgeable, detailed environment where clients achieve fitness outcomes safely and progressively. We offer a unique 'Training Lateral' philosophy that encourages creative problem-solving to attain goals through non-traditional methods. Our 10,000 sq. ft. boutique gym houses Chicago's top personal trainers, Pilates instructors, physical therapists, and specialists in golf biomechanics, nutrition, and massage therapy. This collaborative team integrates diverse expertise to address every aspect of health and wellness under one roof.

Our amenitiesincluding private showers, towel service, and filtered waterenhance the client experience. Owner Erik Marthaler has cultivated an upscale, inclusive environment where all fitness levels feel welcome. We emphasize gradual progression in training, nutrition, and rehabilitation using systematic periodization processes. Client testimonials highlight our trainers' attentiveness to individual needs and our team's commitment to helping clients achieve goals regardless of size or ability. Whether preparing for a marathon or improving daily functionality, our approach ensures sustainable results through personalized programs.
Services
Personal Training Reformer Pilates Physical Therapy Massage Therapy Golf Biomechanics Lunchtime Membership
Details
  • Year established: 2013
Highlights and features
  • We offer personalized training programs tailored to individual fitness levels and goals
  • Our team includes specialists in golf biomechanics and muscle activation techniques
  • We provide integrated health solutions combining fitness, therapy, and nutrition
  • Our boutique gym features premium amenities and a welcoming environment
  • We implement systematic periodization processes for sustainable progress
Associations and certifications
  • Titleist Performance Institute
What people say
Personalized workouts Effective results Welcoming environment
Services
Personal Training
Certified trainers create customized workout plans aligned with individual health goals. Through expert guidance and progressive training methodologies, we ensure effective fitness journeys. Our approach combines personalized attention with systematic periodization processes to deliver sustainable results for all fitness levels.
Reformer Pilates
Dynamic workouts combining strength and flexibility exercises using reformer equipment. This method improves posture, muscle tone, and coordination while providing low-impact conditioning. Sessions focus on core stability and controlled movements for enhanced physical performance and body awareness.
Physical Therapy
Personalized healthcare programs addressing injuries and mobility limitations through targeted exercises and manual techniques. Our therapists develop treatment plans integrating strength training and mobility work to restore function while accepting most insurance plans for accessible care.
Massage Therapy
Customized massage treatments addressing muscle tension and promoting relaxation. Services include deep tissue work for pain relief and recovery-focused sessions that complement fitness training programs, enhancing overall physical wellness through professional therapeutic techniques.
Golf Biomechanics
Specialized programs improving golf swing mechanics through strength and mobility training. TPI-certified instructors analyze biomechanics to enhance driving distance while preventing injuries, combining golf-specific conditioning with technical skill development for optimal course performance.
People
Erik Marthaler
Owner & Personal Trainer
Founder of Lateral Fitness since 2013, Erik has built a team of top Chicago fitness professionals while maintaining hands-on client training. His vision created the unique 'Training Lateral' methodology emphasizing progressive, individualized approaches to fitness and wellness.
Sharone Aharon
Personal Trainer & Triathlon Coach
Specializes in endurance training and triathlon preparation, combining technical expertise with personalized coaching. Brings competitive athletic experience to develop comprehensive training programs that improve performance across multiple disciplines.
Taariq Amal
Front Desk
Manages daily operations and client services at Lateral Fitness. Provides welcoming support to members while ensuring smooth facility management. Serves as primary point of contact for membership inquiries and scheduling.
Jeremy Aniciete
Personal Trainer
Certified trainer focusing on strength development and functional fitness. Creates customized workout plans that adapt to individual capabilities and goals. Emphasizes proper form and progressive overload in client training programs.
Jarietta Benton
Personal Trainer & Nutrition Coach
Combines fitness training with nutritional guidance to support holistic wellness goals. Develops integrated programs addressing both physical conditioning and dietary requirements for comprehensive health improvements.
Questions
What services does Lateral Fitness offer?
We provide personal training, reformer Pilates, physical therapy, massage therapy, golf biomechanics programs, and lunchtime memberships in our 10,000 sq. ft. facility.
Are your trainers certified professionals?
Yes, our team includes TPI-certified golf coaches, Muscle Activation Technique specialists, and certified personal trainers with expertise in various fitness and wellness disciplines.
Do you accept insurance for physical therapy?
Most insurance plans are accepted for our physical therapy services, making professional rehabilitation accessible to our clients.
What makes your training approach unique?
Our 'Training Lateral' philosophy uses creative problem-solving and systematic periodization processes to achieve fitness goals through non-traditional, progressive methods tailored to individual needs.
Do you offer flexible membership options?
Yes, we provide lunchtime memberships available Monday-Friday 10a-3p with full access to our facility and services.