Abstract: An open sided foot supination control device has a base plate having a first end and an opposing second end, and a talus bone pressure applicator having a first end and an opposing second end. A lateral member having a first end and second end is joined to the first end of the base plate, and an opposite end of the lateral member is joined to the first end of the talus bone pressure applicator. The foot supination control device is formed to have the base plate under the person's foot, while the talus bone pressure applicator is positioned to provide supination preventing pressure to the talus bone.