1 find a book 4~5cm thick, stand on the book with your toes and your heels dangling.
Put your feet together, put your weight on your big toes and stand on tiptoe. Hold this position for 5 seconds while maintaining balance.
If you don't have such a thick book, you can also use stacked magazines. Pay attention to the use of peroneal muscle when tiptoeing.
Relax the peroneal muscle (daily 10 second)
1 Sit on the floor with your back and legs at 90 degrees and face forward.
Straighten your legs, hold one of the soles of your feet with both hands and slowly lift your legs. Hold this position for 5 seconds. Change the other side. When doing this group of movements, pay attention to your legs together and don't bend your knees.
When holding the soles of your feet with both hands, your body tends to lean forward. At this time, you should pay attention to keeping your back straight and not bending.