Inclusion Criteria:  Aged ≥ 18 years Intact healthy skin at the site of geko™ device application. Patients that have been listed for forefoot and / or hindfoot surgery Patient understands and is willing to participate in the study and can comply with study procedures Patient is willing and able to give written informed consent  Exclusion Criteria:  Pregnant Use of any other neuro-modulation device. Trauma to the lower limbs that would prevent geko™ from stimulating the common peroneal nerve. No response to geko™ therapy i.e. no involuntary rhythmic upward and outward movement of the foot (dorsiflexion) at the maximum tolerable device setting Participation in any other clinical study that may interfere with the outcome of either study