About the Extensa™ method

A structured approach to flexibility training designed to support better movement, better teaching, and a better experience for the body.

Four young women in workout clothes standing together in a fitness studio with large windows.

Why the Extensa™ method

Flexibility training is often treated as an afterthought. It is squeezed into the end of a workout, improvised in classes, or approached with too much force and too little structure.

The Extensa™ method was created to change that.

We offer a clear and professional approach to flexibility training that helps people move better, feel better, and experience movement in a way that is effective, supportive, and realistic.

What defines the method

The Extensa™ method combine different flexibility training techniques into a structured movement experience:

  • Clear program design instead of guesswork

  • Purposeful progression instead of random exercise selection

  • Safety, cueing, and modifications that support all levels of flexibility

  • A movement experience that feels both empowering yet restorative

Founder and Director of Education 

About the Founder

The Extensa™ method was developed by Sarah Feilders, a fitness and flexibility expert with over 30 years of experience in dance, sport, and fitness.

Her background includes working with both the general population and Olympic, professional, and high performance athletes, with a focus on flexibility training, Pilates, yoga, Ballet and general group fitness.

With certifications from SDTA, ACE, YogaFit, Stott Pilates, FST and many others, her approach is grounded in performance, science, and practical application.

The Extensa™ method was created to provide instructors with a structured, professional approach to teaching stretching, built on principles of safety, clarity, and effective program design.

Explore the Extensa Method

Choose the program that fits where you are now, whether that means learning to teach or learning to feel better in your body.