Urodynamics: Prone Vs. Seated Position

Inclusion Criteria: * Genotype and phenotype XY * Age between 18 and 90 years * Signed informed consent form * Ability to understand and follow the study procedures and understand the consent form * possibility ti carry out out the necessary urodynamics as part of the regular clinical examination * assessment of neurogenic and/or non-neurogenic (idiopathic) bladder dysfunction * Spontaneous micturition in a sitting position is possible Exclusion criteria: * Patients with assistance/patients under guardianship * Patients with latex allergy or cross-allergy (banana, kiwi, fig, avocado) * No spontaneous movement possible in a sitting position * Sitting position not possible due to lack of trunk stability/circulatory problems * Intravesical Botox injection during the last 9 months