a method for isometric exercise safely reduces resting blood pressure and increases overall cardiovascular health . the method utilizes an apparatus that provides resistance to force and maximizes user / patient comfort . the handle or grip of the apparatus may be squeezed with a force less than the maximum squeeze force of the user , thereby restricting blood flow through contracting muscles and safely increasing blood pressure during exercise . resting blood pressure is reduced through use of the method . the restricted blood flow reduces localized necrosis due to obstruction of blood supply . the method includes measuring and recording the maximum squeeze force of a user , calculating a fractional force using the duration of exercise or a desired fractional force percentage , and inducing the user to apply the fractional force , a lesser fractional force or no force for a time .