Personal Training services are available for a separate fee.

Eagle River

Personal Training is coming soon to our Eagle River.


Sandra Koski

Sandra is an AFFA Certified Personal Trainer.  She has been training full time since 2010.  Her highly motivating and energetic personality compliment her many skill sets which include Training and/or certifications in TRX Suspension, Gravity Pole Fitness, Aircat Aerial Yoga, and Liquid Motion.  She holds an AHA CPR AED certification, as well as she is PN1, Precision Nutrition certified.  Sandra uses a wide variety of exercise techniques incorporating strength training with mobility and resistance to challenge her clients and help them achieve their fitness goals.

Sandra’s in-depth knowledge , as well as proper exercise technique as it relates to free weights, weight machines, and cardiovascular endurance.  She will work with her clients to improve their endurance, strength, flexibility, and balance.



Personal Training is currently not available at our Rhinelander location.


Personal Training

As a member of Tone Zone Fitness, you will have access to nationally a certified personal trainer who is dedicated to providing each client with an individualized plan that addresses specific needs, goals and interests. Through education, inspiration and motivation, our trainer will work with you one-on-one to provide you with an effective program that gives you the results you desire.