The need for a surgical procedure may cause a patient to experience reactive anxiety. This reaction is appropriate if it is of low to moderate intensity. On the other hand, various studies have shown that postoperative awakening is more complicated if the patient experiences major preoperative anxiety. Thus, reducing anxiety could be a tool for preventing chronic pain.

For several years now, the investigator's facility has been implementing Energy Resonance through Cutaneous Stimulation (ERCS), a method based on "listening" to the body's vibrations through the fingers on points based on the mapping of meridians in Chinese medicine.

ERCS practitioners have noted the benefits of this method, particularly in soothing patients. It therefore seems necessary to detect and manage this anxiety beforehand and ERCS seems appropriate in this situation.

Inclusion Criteria:

• Patient who has given oral consent
• Adult patient requiring scheduled conventional orthopedic surgery of the upper limb (wrist, elbow, shoulder) or lower limb (ankle, foot, knee, hip)

Exclusion Criteria:

• Patient not affiliated to a national health insurance system,
• Patient subject to a legal protection measure (curatorship, guardianship)
• Patient subject to a justice protection measure
• Pregnant, parturient or breastfeeding woman
• Patient unable to give consent
• Minor
• Patient with a pace maker
• Patient with cognitive problems: Alzheimer's, senile dementia
• Patient who has already received ERCS as part of surgery
• Patient who does not speak or understand French
• Patient with psychiatric disorders: major depression, bipolar disorder, addictive disorders, psychotic disorders (psychosis, schizophrenia, acute delirium)