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Welcome to


In Balance

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Alexander Technique

and Pilates


To develop

in balance


well being

Improve posture

& reduce back pain

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& Seminars



About Gwynne

Presently Gwynne Marshall maintains her Alexander Technique and Pilates private practices in New York City and upstate New York. She has continues her post graduate work with…
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Alexander Technique

The Alexander Technique has been used by people of all ages and professions. From people suffering from back & neck pain…
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Anyone who suffers from weak core strength can benefit from Pilates, and this includes those who suffer from back weakness or pain…
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Contact Me

We are located at 623 West End Ave, #1A, NY.NY. Very easy to get to via public transportation…
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  • Thoughts for the Day

    Two thoughts for the day : Remember we have choices we can slump or we can…

  • Means where by

    When we talk abut the “means where by” what we mean is what happens from the…

  • Educating Speakers & Singers

    Vocal health Un-slumping: Singers and executive speakers think your body as a large container that the…

  • Hinge Health

    Hinges health Working with a group of Physical Therapist at Riverside PT I showed them their…




“As a tall man who believed he was doomed to a life of chronic back problems, the Alexander Technique changed my life substantively. Learning the Technique allowed me to stop constantly re-injuring myself, as I used to do. Now whenever I find that the stresses of corporate life are taking a toll on my body, I go to Gwynne for immediate relief and a great refresher on how to care for my body when I’m under stress.”

Tony F., Upper West Side

” I went to Gwynne for Alexander Technique lessons after I injured my back. These lessons not only reduced my pain, but also let me to feel more confidant, comfortable, and free in daily life. After being too nervous to exercise because of my injury, I started to do Pilates with Gwynne because I trust her knowledge of the mechanics of the body. Through Pilates I became stronger and more flexible and enjoyed doing so ”

Jennie K., Lower East Side

” Unbelievable! Keith LOVED his session today! I haven’t heard him this excited about something self-constructive for years, so thank you! thank you! thank you!. He’s said he’s 2″ taller already – I can’t wait to see him!”

Bobby, West Side