Blood Flow Restriction and High-intense Resistance Training in Aging: Interactions Between Neuroplasticity and Muscle

Inclusion Criteria: * healthy male older adults * able to speak and read fluent Lithuanian * living in community during the study Exclusion Criteria: * cognitive and neurological disorders (e.g. dementia, stroke, Parkinson, multiple sclerosis) * previous lower extremity injury * diabetes mellitus type I or II * no oncologic disease * no bone fractures in the previous year * deep vein thrombosis * cardiovascular disorders (e.g. congestive heart failure, angina pectoris, uncontrolled arrhythmia, history of myocardial infarction or coronary bypass grafting in the past year) * obesity (BMI \>30kg/m²) * chronic fatigue, chronic headache, or chronic dizziness * ineligibility to MRI scanning (e.g. due to claustrofobia or metal implants) * The participants should not be engaged in any regular exercise programme during the previous 6 months (according to IPAQ), but able to perform 10 sit-ups * Any other consideration that interferes with the study aims and/or risk to the participant, at the discretion of the researcher