Pain Management and Patient Education for Physical Activity in Intermittent Claudication (PrEPAID)

Inclusion Criteria: * Clinical diagnosis of symptomatic Peripheral Arterial Disease (PAD) including resting Ankle Brachial Pressure Index (ABPI) \<0.9 in at least one leg * Stable IC for ≥3 months * Walking limited primarily by claudication * Able to exercise on a treadmill * Able to read and speak English to a level allowing satisfactory completion of the study procedures * Able to provide written informed consent for participation Exclusion Criteria: * Planned surgical or endovascular intervention for PAD within the next 3 months * Critical limb ischaemia * The presence of any absolute contraindications to exercise testing/training as defined by the American College of Sports Medicine (ACSM) * Previous experience of using TENS/ structured patient education for PAD * Contraindications to TENS (including epilepsy, dermatological conditions, indwelling electrical pumps/pacemakers) and inability to apply TENS independently. * Patients who require walking aids including artificial limbs * Major surgery, myocardial infarction or stroke/ Transient Ischaemic Attack (TIA) in the previous 6 months * Co-morbidities that cause pain or limit walking to a greater extent than IC (e.g. severe arthritis) * \>20% variation in baseline ACD on treadmill * Severe peripheral neuropathies above the ankle. * Participation in another research protocol