How does your back feel? Shoulders? Neck? If you're wearing an ill-fitting bra, the answer may be "not great"
Can My Bra Cause Back Pain? - SpineCentral
Sports bras could be causing your back pain - 9Honey
Poor-Fitting Bras Can Cause Back Pain - Clovia Blog
Treating Back Pain Caused By Large Breasts - Dr. Stefano Sinicropi, M.D.
Sports Bra- Is it Causing My Back Pain? - Elevate Physiotherapy
Why Does My Bra Hurt My Back?
8 bras for back pain, because we could all use more support
Wearing an ill-fitting bra isn't just uncomfortable, it's bad for your health
Why You Don't Have to Wear a Bra According to Experts — Wrapt Magazine
Underwire Lace Bras for Fuller Busts Women
Solutions
Sports Bra- Is it Causing My Back Pain? - Elevate Physiotherapy
My Bra is Causing me Pain - Why? - Curvy Bras
Underwire Lace Bras for Fuller Busts Women
Why You Don't Have to Wear a Bra