About BASE

Base Method Certified Training was established in 2020 by Sydney Detweiler. With an eclectic background in barre training methods, Sydney saw the opportunity to fill a training and delivery method needed in the fitness industry which led to the creation of BASE’s mission of ‘Developing Movement for All by Building a Base for Continual Growth’.  As a certified personal trainer, Sydney was able to develop the Base Method that, by design, is effective, safe, engaging, and inclusive for people of all abilities. This training program is designed to formally educate fitness instructors of the ‘how’ and ‘why’ behind form-focused and low-impact movements that allow for optimum effectiveness while also forming the background knowledge to individualize and create classes that can be accomplished by everyone through proper modifications when necessary.


To become certified in the BASE Method, instructors will complete the coursework in a cohort style over a 5-week period through self-paced section reading anchored with a weekly virtual classroom. In addition to having the freedom of completing the work at your own pace while having the support and accountability of studying with others, BASE also offers a stunning eBook that is included with your purchase of the course.



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