Abby Petersen

Certified Personal Trainer/Owner

Abby has been a Personal Trainer and Instructor for 8 years and has owned her own gym for the past 2 years. Opening Aptitude In the fall of 2019 had always been her dream. Working with clients in a small, comfortable setting and assisting them with their goals is what Aptitude is all about. Contact Abby today and let her be your accountability partner.


Rachel Crowther 

Yoga Instructor/Owner

Rachel has been teaching yoga for over 2 years with an emphasis on kids, teen and family yoga. Rachel holds a 200-RYT, RCYT, Kidding Around Yoga Advanced Instructor. Rachel is a former Grand Raggidy Roller Derby player and understands the demands on adult athletic bodies and how yoga can be part of a healthy life style.  Let Rachel share her love and passion for yoga with you and your family.


Therese G. 

 Yoga Instructor 

My name is Therese and I live here in Rockford with my husband, two children, 3 dogs and cat! We love boating all summer on Lake Michigan and traveling to warm places in the winter. I have been practicing yoga since 2013 and started teaching in 2014. Right now I am currently working towards my 500RYT. I love the connection of the mind/body. I have a passion for trauma informed yoga.

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