Inclusion Criteria:

1. Patients with musculoskeletal and skeletal muscle deficit disorders assigned to be treated with any of the Intelect® devices according to the current clinical practice at the selected sites and based on the opinion of the Investigator.
2. Patient male or female with age ≥18 years old.
3. Patient able to provide written informed consent. For France only: To be affiliated to the social security system or to be beneficiary of such system

Exclusion Criteria:

1. Patients participating in another clinical study or who have completed a clinical study less than 30 days prior to enrollment.
2. Patients who for any reason e.g. significant co-morbidities or other reasons, are considered by the Investigator unsuitable for study participation.