1. For varus foot (also known as flatfoot), the electrode pad is attached to the arch of the foot, which is a concave part in the middle of the sole of the foot, which can provide extra support and stability and help correct the varus state of the foot.

2. For hallux valgus (also known as high arch foot), the electrode sheet is attached to the concave part outside the sole of the foot, which can provide additional support and stability and help to correct the hallux valgus state of the foot.