Investigation of Ultrasonographic Measurements of Lower Extremity Nerves in Type 2 Diabetes Patients With Peripheral Polyneuropathy

Inclusion Criteria (Group 1): * Being between the ages of 18-65 * Being literate * Signed a voluntary consent form agreeing to participate in the study Inclusion Criteria (Group 2): * Diagnosed with Type 2 Diabetes based on at least one of the following diagnostic criteria: fasting plasma glucose ≥ 126 mg/dl, 2-hour plasma glucose ≥ 200 mg/dl in an oral glucose tolerance test, HbA1c ≥ 6.5%, or diabetes symptoms (excessive thirst, eating, urination, and weight loss) + random plasma glucose ≥ 200 mg/dl. (14) * Diagnosed with diabetic peripheral polyneuropathy through EMG evaluation in addition to Type 2 Diabetes. * Being between the ages of 18-65 * Being literate * Signed a voluntary consent form agreeing to participate in the study. Exclusion Criteria: * Individuals under 18 years old and over 65 years old * Diagnosed with Type 1 diabetes * Use of medications that can cause polyneuropathy * Other causes of neuropathic pain (lumbar radiculopathy, spinal stenosis, -hereditary, inflammatory, entrapment neuropathies) * Undergoing lower extremity surgery (spine/hip/knee/foot) in the last 6 months * Having peripheral artery disease * B12 vitamin deficiency * Active foot ulcer * History of lower extremity amputation * Severe cardiopulmonary insufficiency (stage 3-4) * History of myocardial infarction within the last 1 month * History of unstable angina * Active systemic inflammatory diseases and active malignancy * Presence of vestibular disorders * Presence of cognitive impairment * Osteoarthritis in the lower extremity * Pregnancy * Body Mass Index (BMI) of 30 or higher