Dear Ester
My name is Dr gambale and i am a chiropractor for mor then 22 years.
The messenger bags should be fine.I suggest she alternates carrying it on the left and the right,so not to over develop one set of muscles and throw off her posture.
Fell free to give me a call at 877-602-7248 toll free for more qestion or you can visit my web site www.curvesolutionsusa.com for more answers to your problems.
Kind regards
Dr. Gambale
Posted By Dr Anthony Gambale on July 29, 2009 at 10:22:51:
In Reply to: messenger bags
posted by Esther on July 25, 2009 at 19:38:13: