[Questionnaire of the Ryzhikh National Medical Research Centre for Coloproctology is a new tool for assessing chronic pelvic pain and pelvic organ dysfunction].

The article presents the work of a multidisciplinary team of experts from various fields of medicine to optimize the «Questionnaire for assessing chronic pelvic pain and pelvic organ dysfunction (QCPPD) of the Ryzhikh National Medical Research Centre for Coloproctology» for use in clinical practice. The survey of respondents was conducted from June 28 to September 28, 2021. As a result of this survey, by repeatedly making edits and clarifications during communication with respondents, the final version was obtained, which allows assessing the patient's subjective sensations by the nature and localization of pelvic pain, sensitivity disorders and pelvic organ function.

[Age-related changes of peripheral nerve system and muscles of the limbs in healthy persons].

Our aim was to present and analyze age-related changes of peripheral nerves and muscles of limbs on a huge population of healthy persons of different ages. Persons aged from 2 months to 87 years were studied by conduction studies (EMG) during the period 2009-2016 years in Scientific Research Institute of Children's Infection. Data of those 1 121confirmed healthy was included in our study.

[Age-related changes of sensory peripheral nerve system in healthy subjects.].

Our aim was to present and evaluate age-related changes of peripheral nerves of limbs on a huge population of healthy subjects of different ages. In 2009-2016 subjects aged from 1months to 90 years were studied by nerve conduction velocity studies (NCV). Data of those confirmed healthy was included in our study.