Lower Back Pain Relief from Mass-Fit, Philadelphia's Premier Boutique Gym

Functional Training

A whole program, a full schema and template using science, logic, and common sense.

 Lower Back Pain is Reversible

Strategies to build muscle, lose fat and target specific
areas are available in our custom training programs.



Lower Back Pain Classes
available now

 Lower Back Pain is Reversible

 Simple techniques and movements
to support your lower back and provide relief from pain.

 The next step is yours.

Mass-Fit Location


401 S 2nd Street, LL
Philadelphia, PA 19147

610 639-6168