I am wodering if this will be helpful for flat feet, my son is only 4 1/2 and while doing Karate he gets so exausted and complains about his feet. Also will this fit a childs foot. Thank you.
Barefoot activities, like karate would certainly be one of the indications for the 3pp Arch Lift. Another alternative for 'barefooters' would be the Arch Binder. Both offer some degree of support when used without a shoe. Ideally, to support a flatfoot, it would be best to use each of these devices in conjunction with a shoe.
Is this product can be used for yoga, especially unbalance?
You would have to use your discretion on using the Arch Lift during yoga. It should work fine, but it may slip out of position. Also, if there is a lot of movement, the friction with the floor may cause it to stretch and/or tear.
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