How does your back feel? Shoulders? Neck? If you're wearing an ill-fitting bra, the answer may be "not great"
Criss-cross X Straps Women Breast up
Why Does My Bra Hurt My Back?
What Happens When You Wear a Sports Bra All Day?
Is Your Bra Causing Back Pain? It Could Be The Wrong Size – Why A Bra Can Cause Back Pain & How To Fix It – ThirdLove
Why wearing even the right size of bra can cause pain!
New bra design could ease back and neck pain for larger-breasted women - Wales Online
Back pain and your ill-fitting sports bra- A Chiropractor's opinion - Cheata Sports & Tactical Solutions
Is Your Bra Causing Back Pain? It Could Be The Wrong Size – Why A Bra Can Cause Back Pain & How To Fix It – ThirdLove
How Bras Affect Your Spine
Back Pain From Bra - Atlas Pain Specialists
Does anyone else have back pain here : r/bigboobproblems