An conditioning article of footwear for exercise, strength training, or physical therapy having a foot support platform with either straps or an upper shoe portion or the like to engage the foot, a sole having front and rear ends corresponding with the toes and heel of the foot, respectively, and a medial area there between, the sole having a spaced medial support portion having floor engaging surface generally parallel to the foot support platform, the medial support portion situated generally under the ball and (generally) arch of the user's foot. Situated forward the medial portion to the forward tip of the sole is an angled area having an angle of between, for example, 20-60 degrees. Situated behind the medial portion is a short angled area terminating in a thinner rear sole area running generally parallel with the foot platform, but having about fifty percent of the thickness of the medial area. The present footwear and method of use is configured to be positioned to one of five desired positions or attitudes with regard to the supporting surface, and contacted with the supporting surface in that position while in use, and not the rolling or pivotal use of prior systems.