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Aquatic Zen specializes in restorative aquatic movement practices. Through individual or small group class settings, Nan works with clients to achieve or restore balance and well being, using the healing properties of water and variety of well-established techniques: Ai Chi, AquaStretch, and Personal Training. Together or separately, they can provide you anything from a one-time movement experience to a comprehensive fitness regimen.

Nan is an ACSM Certified Personal Trainer and water polo coach with a degree in Adaptive Fitness Therapy. Certifications include AEA Aquatic Fitness Professional, Arthritis Foundation, Ai Chi, AquaStretch, Aquatic Exercise and MS, Lifeguard, First Aid, and CPR. She also holds Bachelors and Masters degrees in Civil Engineering from Stanford University, and is a licensed Civil Engineer. She specialized in Water Resources, naturally. 

For more information or to register contact:

Registration and Contact

Nan Zender     (408) 838-9001

Ai Chi

"I can't say enough about what Ai Chi (think Tai Chi in the water) classes in 90 degree water has done for me! At the end of every class I feel relaxed, rejuvenated and fully stretched. Nan leads a small class through a gentle, easy to follow routine that opens up breathing, breaks through stress and sends me off renewed each week."


"I've gone to acupuncturists, chiropractors and physical therapists for years seeking help for lower back and neck pain. Nan Zender and her magical touch took me from a state of acute lower back pain that I've suffered for years to a pain free state. I strongly recommend Nan Zender and AquaStretch."

Personal Training

"The quality of my life has increased one hundred percent since she has been working with me. She is extremely knowledgeable. I think Nan is the greatest."

Try this powerful progression based on Tai Chi, combining slow broad movements with deep breathing, performed in shallow 90 degree water.

Benefits include:

  • Relaxation

  • Paid Management

  • Improved Balance

  • Core Strength

  • Range of Motion

This active relaxation technique has been shown to positively affect Multiple Sclerosis, diabetes, fibromyalgia, arthritis, post-mastectomy, and Parkinson's patients.

Assisted stretching technique reduces pain from improper healing or chronic conditions - wherever there is pain with movement.

Feel the benefits:

  • Restore Flexibility

  • Decrease Chronic Pain

  • Decrease Muscle Soreness and Tension

  • Increase Performance and Reduce Injury Risk

  • Improve Sleep

This series of stretches is performed in shallow warm water, allowing freedom of movement that cannot be duplicated on land. 

Manage a chronic condition or chronic pain:

Many conditions have been shown to benefit from being and exercising in warm water.

Bridge from therapy to fitness:

Continue your rehabilitation, then transition to an overall fitness regimen.

Start a fitness routine:

The water is a great place to begin a new wellness program. Get a strength and cardio workout without high impact or muscle soreness.

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