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Refer a Friend and Win Big

What’s better than being an X⁴ member? Being an X⁴ member with your friends!
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The Benefits of X⁴

Learn about three major advantages you can gain by becoming an X⁴ member and trying our HIIT programming. 
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Meet Haley Hill

Get to know our wonderful gym manager Haley below! Find out what motivates her, what she’s up to behind the X⁴ desk and how she manages to wake up at 4 a.m. each morning!
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Meet Sam McWhorter

Get to know our head coach, Sam McWhorter! Read below to learn a bit about who he is, his teaching style and even what his enneagram type is!
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What is X⁴

Looking for a way to spice up your fitness routine? Tired of doing the same workout class three times a week only to see little results? X⁴ Fitness tackles variety and effectiveness in an engaging one-hour class that focuses on different movements, muscle groups and equipment in every workout, promising that you’ll never do the same workout twice. 
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Meet Chris Wade

When I opened my own gym, I wanted to offer a more dynamic fitness experience for my members. Something that married low impact HIIT and CrossFit, and met people right where they were in their fitness routine. Through that idea, the X⁴ philosophy was born. After seeing the success I saw with X⁴ at my first gym, I wanted to grow and share this idea with people around the country. I knew the Mountain Brook community would love this concept and Lane Parke was the perfect place for my next location. 
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