Ankle sprain rehabilitation training: Do you have repeated ankle sprains? this ankle strengthener can help you, it increase range of motion and reinforce ankle & foot muscular tonicity. Balance training: Strengthening exercises for the feet and ankles can help to improve balance and stability by controlling the movement. Strengthen foot and ankle muscles: Training with this device can help athletes improve their speed, power and agility. Posture correction (Eversion of foot or Ankle varus): Ankle Foot Exercising daily will contribute to neutral alignment of the foot and ankle.