Stimulation apparatus

A medical apparatus for a patient, comprising:

• an implantable system comprising a first implantable device comprising:
• at least one implantable stimulation element configured to deliver stimulation energy to the patient;
• an implantable controller configured to control the energy delivered to the at least one implantable stimulation element;
• an implantable energy storage assembly configured to provide power to the at least one stimulation element;
• an implantable housing surrounding at least the implantable controller and the implantable energy storage assembly;
• and
• a programmer comprising a user interface including a patient posture interface configured to allow the user to change one or more stimulation programs based on a patient position.