Inclusion Criteria:  Provision of signed and dated informed consent form Males and females Aged 18-50 Scheduled for an ACL reconstruction in Rambam hospital. Hebrew language at mother tongue level  Exclusion Criteria:  Inability to understand the study protocol. Known neuropathies, active cancer, previous fractures in the lower limbs, inflammatory arthritis, implanted electronic devices of any kind. Allergies to silver or adhesives.