Effects Of Acute Upper And Lower Resistance Exercise On Cardiovascular Response Through Blood Flow Restriction

PURPOSE: The purpose of this study was to compare and contrast cardiovascular responses during acute upper body resistance exercise (UBRE) and lower body resistance exercise (LBRE) and resting with or without blood flow restriction (BFR) in adult women. Methods: The subjects were 18 adult women (21.5 ± 2.0 yr) with a regular menstrual cycle and no cardiovascular disease. The methodology of this study was a cross-over experimental design. This study consisted of arterial occlusion pressure verification for the right clavicle and femoral artery and two resistance exercises, and the wash-out period was performed at 72-hour intervals. The resistance exercise consisted of 20% 1-RM, 10 repetitions, and 4 sets. For UBRE, arm curl and bench press exercises, and LBRE squat and leg extension exercises were performed. Results: As a result, the change in cardiovascular response during exercise and recovery with or without BFR was significantly different between UBRE (diastolic blood pressure: DBP, mean arterial pressure: MAP, total peripheral resistance: TPR) and LBRE (DBP, MAP, heart rate: HR, Cardiac output: CO) (p < .05). Changes in cardiovascular response during exercise and recovery of BFR were different in DBP, MAP, stroke volume: SV, HR, CO, and TPR (p < .05). In non-BFR, DBP, MAP, SV, HR, CO, there was a difference in TPR (p < .05). Conclusions: In conclusion, in resistance exercise with BFR applied, CO increased due to an increase in HR and SV during exercise, and blood pressure response was stabilty returned due to a significant decrease in TPR during exercise. Therefore, it was judged that LBRE with BFR had a stable effect on the cardiovascular response of the cardiovascular system during exercise and recovery.