Foot Drop Causes. Generally speaking, the causes of foot drop are weakness or paralysis of the muscles needed to lift the foot. More specifically, the condition is most often caused by compression of the peroneal nerve that controls the anterior tibialis, or the muscles that lift the foot.
Measurement Definition. In science, a measurement is collection of quantitative or numerical data that describes a property of an object or event. A measurement is made by comparing a quantity with a standard unit.
System of measurement. A system of measurement is a collection of units of measurement and rules relating them to each other. Systems of measurement have historically been important, regulated and defined for the purposes of science and commerce.