Cognitive impairment that prevents conducting evaluations, as well as inability to understand and sign the informed consent form;

Epidermal lesions at the site of application and/or intolerance stimulator and/or skin sensitivity change;

Patients with recent sequel of stroke;

Disabling musculoskeletal disease;

Uncontrolled hypertension (Systolic blood pressure \> 230 mmHg and diastolic blood pressure \> 120 mmHg);

Grade IV heart failure (NYHA) or decompensated;

Uncontrolled diabetes (blood glucose \> 300 mg/dL);

Unstable angina;

Fever and/or infectious disease;

Recent acute myocardial infarction (two months);

Active smokers; Peripheral vascular disease in the lower limbs as deep vein thrombosis or obliterates thromboangiitis.

Low-level Laser Therapy in Chronic Kidney Disease