This little article brings a little research to the subject
Researchers at Auburn University have found that wearing flip-flops alters the way one walks, changing the gait in subtle ways that can lead to serious sole, heel and ankle problems. They presented these findings earlier this month at the annual meeting of the American College of Sports Medicine in Indianapolis.
The Auburn team videotaped 39 flip-flop-wearing volunteers and noticed how they scrunched their toes to keep the flip-flip on the foot while the heel lifted in the air. This motion stretches the plantar fascia, the connective tissue that runs from heel to toe, causing inflammation, pain along the sole, heel spurs and tired feet in general.
These symptoms were actually what flip-flop wearers at Auburn University had reported upon returning to classes in the fall. An entire summer of flip-flop wearing had taken its toll.
The researchers also found that the volunteers altered their gait, taking shorter strides and turning their ankles inward, likely to keep the flip-flop from falling off. This, the researchers worry, can cause long-term ankle and hip problems.
Read Article: flip-flops-bad-for-your-body.pdf

