A method for the selection of an orthotic for a patients foot is disclosed. The patients foot is subjected to one or more of (i) a supination resistance test (as defined) and (ii) Jacks test (as defined)and a test value(s) within a predetermined set of relative values for each test which is indicative of one or more properties of the patients foot is ascribed. Each test value is recorded in a database and the test values are compared to control values indicative of one or more predetermined orthotic designs stored in the database and an orthotic design(s) is selected from the predetermined orthotic designs dependent on that comparison
