A balance board may include an upper plate having a top surface; a base configured to contact the ground; and a center assembly pivotally connecting the upper plate with the base, the center assembly including a top pivot including a first multi-axial joint set at least partially within the upper plate and a lower pivot including a second multi-axial joint disposed proximate the upper plate. The first multi-axial joint may be a first ball and socket joint; the second multi-axial joint may be a second ball and socket joint; and the first ball and socket joint may be disposed at least partially within the second ball and socket joint. In addition, the balance board may further include an adjustable angle stop system comprising at least one adjustable angle stop movable at adjustable intervals to change a maximum angle by which the upper plate may be pivoted.