Devices, systems and methods for treating back pain with EMS

A device for treating lower back pain in a patient, the device comprising:

• a seat portion;
• a backrest portion coupled to the seat portion, wherein the backrest portion has a front surface and rear surface, wherein back portion defines a recess inset from the rear surface;
• an electromagnetic stimulation coil embedded within the recess of the backrest portion, wherein the electromagnetic stimulation coil is positioned to apply electromagnetic stimulation to a spine of the patient while the patient is seated on the seat portion;
• and
• an adjustment assembly that is configured to enable selection of a position of the electromagnetic stimulation coil relative to a first axis that extends along a length of the backrest,
• wherein the adjustment assembly comprises at least one longitudinal rail that extends relative to the first axis, wherein the electromagnetic stimulation coil is configured to be selectively coupled to the at least one longitudinal rail at multiple positions along the at least one longitudinal rail, and
• wherein the adjustment assembly is further configured to enable selection of the position of the electromagnetic stimulation coil relative to a second axis that is perpendicular to the first axis.