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About Amazingly Fit

Amazingly Fit offers a variety of fitness and nutrition services as well as health and wellness solutions throughout New York City to meet all your pre and post natal needs.

If you are pregnant, plan to become pregnant or postpartum, staying fit is extremely important. Our pre/post natal certified personal trainers will safely and effectively help you meet the challenges of pregnancy.  
Following the guidelines set by the American College of Obstetricians and Gynecologists (ACOG) and working in conjunction with the recommendations of your OB/GYN, our personal trainers will design a customized fitness program that is safe, effective and specifically tailored to your individual needs and goals. With the guidance and knowledge of our prenatal and postpartum certified personal trainers you will achieve the results you desire - guaranteed!  
We are available for pre and postnatal personal training in the privacy of your home, office or private gym throughout New York City NY.


"Jason taught me how to exercise safely during a difficult pregnancy. After I gave birth, he raised the intensity to help whip me back into shape! Jason's invaluable advice during those first few months with a newborn and his compassionate approach made my life a lot easier!"    - Hayley T.

"With Amazingly Fit's prenatal exercise guidance, my backache improved throughout my pregnancy. They communicated with my doctor in modifying my exercise program as my pregnancy evolved. We have now had our baby and have resumed training. With Jason's expertise on pregnancy and exercise our sessions are timed to fit in with our baby."    - Emma R.

"I have no hesitation in recommending Amazingly Fit. Jason operates a prenatal personal training business of fine quality - his friendly assistance and professional knowledge is very reassuring and it's always a pleasure to attend my fitness sessions."   - Betty O.

"Thanks for all your guidance during my prenatal sessions. It allowed me to relax and using the breathing, core and pelvic floor exercises helped to better get through the labour of my first baby..."    - Sophia A.

More testimonials

Personal Trainer Profiles

Jason Keigher, CPT, CSCS, DONA Trained Doula

Jason began his pre/post natal fitness career over twelve years ago with Equinox Fitness Clubs and spent over five years employed as a personal trainer at Reebok Sports Club/NY. He graduated Magna Cum Laude with a double major in management and marketing from Touro College in 1998.

Jason is certified by the American Council on Exercise (ACE) as a personal trainer and group fitness instructor; by the National Strength and Conditioning Association (NSCA) as a Certified Strength and Conditioning Specialist (CSCS); as well as by the National Academy of Sports Medicine (NASM) as a personal trainer, corrective exercise specialist (CES), performance enhancement specialist (PES), senior fitness specialist (SFS) and women's fitness specialist (WFS).

Jason personally trained under Julie Tupler and holds a certificate that qualifies him to teach the Tupler Technique (the ONLY research based program proven to effectively treat a diastasis recti). He is certified by Annie Martens to teach Bella Bellies® Prenatal Pilates and Stretch, Momilates® Pilates for Mommies and Stroller Moves® classes. Jason is also certified by Oh Baby! Fitness as a prenatal and postpartum instructor.

Jason is a DONA Trained Doula by Birthing Gently. He is available for births in NYC to make labor and birth a positive experience for each of his birth Moms and their partners.

Additionally, he is certified by The Sports Club/LA as a pre/post natal specialist and an integrated flexibility specialist. Jason is also a certified Power Plate, TRX and Kettlebell Instructor. He has earned his CPR and AED certifications from the American Heart Association.

Jason's specialties include pregnancy related weight loss/gain, body toning and shaping, strength and flexibility training, diastasis rehabilitation, pre/post natal postural correction, core and pelvic floor strengthening, Pelvic Pain (Symphysis Pubis Dysfunction) and high risk/multiples prenatal workouts. He is available for prenatal and postpartum personal training in your home, office, park or private gym throughout New York City.

Jason's philosophy for health, "Challenge your body for the results, rejuvenate your mind to reap life's rewards."

Email: Phone: 917-549-8998 Web:

Tysan Lerner

Tysan has been a fitness and wellness professional since 1997. She was educated as a personal trainer at New York University and certified as a Holistic Health Counselor at the Institute for Integrative Nutrition.

Tysan has studied and performed with world-class ballet, modern dance, and classical Chinese dance professionals for over 25 years. As a result, Tysan has developed a deep understanding of the body.

Since the start of Tysan's training career, she has continued to expand her knowledge from the traditional modalities of fitness into more mind body focused training. She has studied yoga, gyrotonic expansion system, pilates, integrated movement conditioning and Chinese qi gong with Master teachers such as Kathy Grant (one of the four pilates "elders") and other internationally acclaimed teachers. As a result, sessions will include a unique approach to physical fitness.

Tysan thinks, "To be fit, you must be able to focus, to move well, and to breath well. To get fit, you must build and maintain a strong foundation."