They let your foot be as flat as they can be. For some people, that’s OK, depending on the structure of their foot. But if you have a foot that tends to over-flatten, then you’re not getting any support.
Don’t overdo the flip-flops. Everything in moderation. As long as you’re not doing a lot of walking, it’s probably OK. For example, To have flip-flops on for short periods of time to do errands, that’s usually not going to be a problem.
Beware of Foot Injury
Because flip-flops offer little protection, you’re at greater risk for stubbed toes, glass cuts, puncture wounds, or having a heavy object smash your foot, experts say.
It is fairly frequent for emergency room physicians to see people come in with either a broken toe or torn nail bed from direct blunt trauma to the exposed toes.
For people with diabetes, any foot injury can become serious, even leading to amputation. Flip-flops and sandals aren’t a good option. They really need the protective function of something that covers their toes.
Flip-Flops and Backyard Football
Don’t run or play sports in flip-flops. Instead, always wear proper sports shoes. Orthopaedic surgeons have treated people who ran or jumped in flip-flops and suffered sprained ankles, fractures, and severe ligament injuries that required surgery. They’re meant for walking on flat surfaces. They’re not meant for playing Frisbee or backyard football or a soccer game. They don’t really offer you the support that an athletic shoe would offer you. Unsupported feet take a lot more stress than supported feet. If you try to use your flip-flop as an athletic shoe, you’re asking for trouble.
Flip-flops can impair a driver’s control if they come off the foot and lodge under the brake or gas pedal. Whatever you wear on your feet, make sure it’s not so loose that it pops off and interferes with the pedals.