The back pain here would probably be from having to bend over to do everything because she's a good 2½ feet above the intended height for everything. If she hunches when she sits, that would be another cause.

You think people would stop blaming large breasts for back pain after it's been pointed out that not only does almost everyone experience back, neck and shoulder pain to some extent, but that most women of a larger breast size are likely wearing an incorrectly sized bra, which causes back, neck and shoulder pain.

If you have back pain, no matter who you are, stop hunching. If you're reading this, you're probably hunching. Start exercising, but not too much and correct your posture and unless you have some sort of deformity or muscular disorder, your back should stop hurting eventually.

She was actually a normal, 8 foot+ tall busty woman and just gave herself a bio-curse to have a better spine.