Jen Waak

Cer­ti­fied instruc­tor (RKC) since 2006


Jen believes in the right tool for the job. In this case, the job is being fit and pain-free for liv­ing a great life. All fit­ness modal­i­ties have their place, but from a sim­plic­ity and effi­ciency per­spec­tive, ket­tle­bells and the RKC sys­tem are excel­lent. For effi­cient move­ment and a pain-free life, she’s a firm believer in the Z-Health system.



She has been using ket­tle­bells for ten years, becom­ing a cer­ti­fied instruc­tor (RKC) in spring 2006. She hon­estly believes that for gen­eral fit­ness and con­di­tion­ing, it really is dif­fi­cult to find a more effec­tive tool.She learned of Z-Health in early 2007, and instantly knew that it was some­thing spe­cial. Apply­ing a sci­en­tific assess­ment process over the prin­ci­ples of how the body func­tions, and you have a pow­er­ful sys­tem. She com­pleted the 9S: Strength and Sup­ple­ness cer­ti­fi­ca­tion, and have set many new fit­ness PRs using the immense tool­box she acquired through Z-Health.

Her fit­ness back­ground includes Tae Kwon Do, dance, Pilates, Tai Chi, and ket­tle­bells. She stud­ies tech­niques and rou­tines avidly, always look­ing to try some­thing new, and she does this because she truly loves it. She believes that help­ing peo­ple feel good about their bod­ies, mov­ing pain-free, and achiev­ing their goals is invaluable.

Testimonials for Jen Waak

  1. Bert H. said:

    When I went look­ing for a work­out this sum­mer that could accom­pany my mar­tial arts train­ing, I wanted some­thing that would be an inten­sive car­dio blast that would also build strength and sta­mina. Not only did I find this and more with ket­tle­bells, I got the best pos­si­ble intro­duc­tion to their use from Jen. While I’m no stranger to a hard work­out, I’ve never liked or been good with free weights, but Jen helped me get rolling fast and I was increas­ing weight and doing an inten­sive cir­cuit with the class in no time. The work­out totally kicked my butt (in a good way!) and with­out any of the focused cramp­ing or tight­ness like that from tra­di­tional weights. Jen’s class is well-balanced with car­dio and strength work and lower and upper body focus, and she’s always com­ing up with some­thing new to keep it inter­est­ing. I’d def­i­nitely rec­om­mend her training.

  2. Pierre B. said:

    Jen fixed my left knee and my wrists! I had hurt my left knee while hik­ing. Some days the pain in my knee ranged from a dull ache to a sharp pain. For weeks I had trou­ble walk­ing nor­mally. After try­ing var­i­ous things includ­ing see­ing my doc­tor, Jen showed me some sim­ple R-phase exer­cises tar­geted to my legs. Within two days, I was walk­ing with­out pain and with­out a limp. Hav­ing had such suc­cess, I asked Jen to help me with my wrists. I spend over 8 hours a day at my com­puter. I had started using wrist guards to help me avoid carpal tun­nel syn­drome. Jen showed me another set of Z exer­cises tar­geted to the wrists and arms. The tight­ness and mild pain were gone the next day. I’ve since returned those wrist guards. To this day, I remain pain free and much more mobile. Thank you Jen.

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