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1. �����A�b�A�D�Ǫ��a�W�Q�W���ȡC
2. �M�ᨪ�}�b�D�ָ̪g�I���A�æb�ȤW�d�U�}�L�C
3. �P�U�Ϥ��}�L�C

   
���`�}�� (Normal foot arch)
�󥭨� (Flat foot)
���}�� (High arch)