H90
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - BMI within the normal range (between 18.5 and 24.9 kg/m²) - Written and spoken German language skills
Exclusion criteria
Exclusion criteria: - Inability to give consent or consent to participate in the study - Known pregnancy (anamnestic) - Tattoos, injuries, (large) scars, or piercings in the skull area around the ear (exception: auricle), on the lower jaw, or on the forehead - Active skin diseases in which the mechanical tissue properties of the skin in the measurement area are altered (e.g., sunburn, neurodermatitis, psoriasis) - Skin disease in which the application of a (reflective) patch is contraindicated. - Known disease of the endocrine system (anamnestic) that can influence the mechanical properties of the skin (e.g., estrogen deficiency). - Major skeletal abnormalities in the skull area (e.g., previous fractures, operations) - Diseases that lead to changes in bone density (e.g., osteoporosis).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Measurement of the amplitude of vibration of the skin surface at different positions on the head via laser-doppler-vibromtetry during one appointment. | — |
Secondary
| Measure | Time frame |
|---|---|
| Measurement of the physical properties of head and skin (dimensions, skin care, etc.) via questionnaire and direct measurements (weight and dimensions) during one appointment. | — |
Countries
Germany
Contacts
Martin Luther Universität Halle-Wittenberg - Medizinische Fakultät