They are also used to immobilize the ankle and lower leg in the presence of arthritis or fracture, and to correct foot drop; an AFO is also known as a foot-drop brace. Ankle-foot orthoses are the most commonly used orthoses, making up about 26% of all orthoses provided in the United States.
adjective. noun. Fundamental is defined as something that is basic or essential. The most basic underlying truth of a religion is an example of a fundamental truth. The definition of fundamental is a basic truth or law. Freedom is an example of a fundamental of the American ideal.
Another word for original. Preceding all others in time: earliest, first, initial, maiden, pioneer, primary, prime, primordial. Arising from or going to the root or source: basal, basic, foundational, fundamental, primary, radical, underlying. Not derived from something else: primary, prime, primitive.