Also, keep in mind mercury exposure can affect your mental state, so don't assume your personal assessment of your health is valid. It's a good idea to contact Poison Control or consult your physician. Mercury First Aid. If you do get mercury on your skin, seek medical attention and follow professional advice.
Definition of orthotics. : a branch of mechanical and medical science that deals with the design and fitting of orthotics.
Orthotics (also known as orthotic insoles, shoe inserts, or orthoses) are devices placed inside the shoes with the purpose of restoring our natural foot function. This is necessary when the natural biomechanical balance of our lower body has been disrupted by over-pronation.