“If you’re looking to take your fitness to the next level with a supportive community that genuinely wants to see you succeed, Underlying Strength is the place to be! Sidney and his incredible staff create an environment that pushes you to be your best while making you feel right at home. The combination of the right coaches and the right community makes this gym truly special. Highly recommend!”
6AM - 12PM 4:30 - 8PM
1617 Big Oak Rd, Yardley
Gyms
“An incredible workout with amazing instructors. You will come out of the class feeling stronger, healthier, and ready to take on the world. It’s a great 45 minute cardio and strength workout. You must try it, it’s addicting and you will see results!”
“This place is a gem. The owner, who is an all-around great guy, did an exceptional job selecting quality equipment and the space is utilized quite efficiently. The personal trainers seem wonderful as well. Top notch facility - small but mighty!”