Although the interventions of the included studies seemed inconsistent, this systematic review demonstrated that IFM training can exert positive biomechanical effects on the medial longitudinal arch, improve the postural balance of the lower limbs and act as an important training method.
WHAT IS IMF (Intrinsic Foot Muscle) training?
Check these exercises.
They may be are difficult to perform due to the weakened neurologic connection to the muscles. Keep trying and they will improve as the neural circuits to your foot improves.
If these exercises are too difficult you can use your hands to stabilize the toes that aren’t designed to move, allowing you to better move the desired toe.