Cathleen Deutscher

Cathleen brings a vibrant background and years of diverse teaching experience to her own Fluid Power Barre Fitness of Sayville. She holds an MFA in Dance from NYU Tisch School of the Arts where she was privileged to learn Pilates from Kathy Grant, an original protege’ of Joseph Pilates. Thus began her fascination with movement as a true healing art. As a member of the Joyce Trisler Danscompany under the direction of Regina Larkin, she was immersed in the Lester Horton technique which is based largely on corrective exercises and emphasizes a “whole body, anatomical approach to dance.”

Cathleen directed and choreographed for theater, concert dance, and a wide variety of educational settings, developing an ardent passion for teaching movement to students of diverse experience and skill levels. Her teaching credits include Adelphi University, Eglevsky Ballet Summer Workshops at Hofstra University, American Theater Dance Workshop, Peridance Center NY and W.C Bryant Public High School in Queens.

Cathleen was hooked on barre after being introduced to the Lotte Berk method by Jamie Greer. She was among the first teachers invited to teach Exhale Barre (formerly Core Fusion TM) by it’s founding creators, Fred Devito and Elisabeth Halfpapp almost 20 years ago. As a member of Exhale’s team, she was involved in workshops including prenatal and postnatal exercise, while she had her own two beautiful babies.

Fluid Power was opened in 2008 with a limited class schedule accomodative to her two small children.  It has grown to include 17 weekly Barre Classes, Monthly Restorative Yoga and Reiki evenings, Modern Dance Workshops, HIIT-Barre pop-ups, and yoga. 

Cathleen is also a Registered RYT 500 with Yoga Alliance, a certified Reiki practitioner, and most recently became an energy medicine practitioner through MRIAC: The Melaney Ryan Institute of Applied Consciousness.  This training will allow her to provide ITA treatments (Integrative Therapeutic Alignments) to assist clients in finding balance and healing in mind, body and spirit. 

Cathleen is inspired to see her clients literally transform with regular classes. Her motivating and safe approach allows for each individual to work at their own level for a thoroughly challenging workout that is efficient, energizing and fun!


Alisha Basisch

Alisha fell in love with barre instantly when she walked in the door as a student at Fluid Power in February 2014. Looking to get back in shape after having her second baby, she decided to give barre a try. She had multiple herniated discs in her back and couldn't find a workout that worked for her. Alisha became hooked right after her first class and consistently attended classes 4x a week. Not only did classes at Fluid Power transform her body, but it made her back pain completely disappear. Alisha became so passionate about barre and what it can do for your mind and body that wanted to pass along her passion to anyone looking for an amazing workout. Combined with months of private training with Fluid Power owner Cathleen Deutscher, Alisha took her training to the next level and became Barre Certified by Exhale, where she trained with two of the originators of barre fitness Fred Devito and Elizabeth Halfpapp. Alisha's goal for all of her classes is to transfer the passion she has for barre to each and every class. Come to her class for an amazing, judgment free environment that challenges everyone to work out of their comfort zone. When she isn't at the barre, Alisha is an elementary reading specialist and lives in Blue Point with her husband and two children, Madison and Jack.


Madeline Song

Madeline found a passion for barre as a useful addition to her dance training three years ago. She grew up as a dancer at Kovacs Studio of Dance in Bay Shore, and was initially introduced to Fluid Power by her dance teacher in the summer of 2018. Upon taking her first class, she fell in love and found that these classes not only strengthened key muscles needed in her career and increased her flexibility, but it also made her feel strong and confident in her body and mind. Madeline went on to become a dance major, and currently attends Marymount Manhattan College working to earn her Bachelor of Fine Arts degree. Madeline is grateful that she has barre in her life to ensure the longevity of her dance career. Over quarantine, she was trained via Zoom to become a Fluid Power instructor, and could not wait to get back in the studio to put into practice everything she had learned when she returned home for the summer. Her goal as a teacher is to make sure that every client leaves feeling accomplished and inspired. She preaches having gratitude for all that your body can do and pushes her clients to see how strong they really are!

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Stephanie Mercado

I took my first class at Fluid Power over 5 years ago and instantly fell in love! I was someone who was always looking for a good workout, but was never able to find something I loved doing long enough to stick to it. After joining and leaving several gyms, I finally found a workout I loved at Fluid Power when my mom took me to my first class. I’ve been hooked ever since! Getting barre certified was one of the most rewarding things I’ve done and am forever grateful for taking that step to further my love for it!