Author/Authors :
Bazgir، Behzad نويسنده PhD student, Exercise Physiology Research Center , , Rezazadeh Valojerdi، Mojtaba نويسنده , , Rajabi، Hamid نويسنده , , Fathi، Rouhollah نويسنده Department of Embryology at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran , , Ojaghi، Seyed Mojtaba نويسنده Rehabilitation Center of National Sports Medicine Federation, Tehran, IR Iran , , Emami Meybodi، Mohammad Kazem نويسنده Orthopedic Department, Baqiyatallah University of Medical
Sciences, Tehran, IR Iran , , Neto، Gabriel R. نويسنده Department of Physical Education, Associate Graduate Program in Physical Education UPE / UFPB, Joao Pessoa, Paraiba, Brazil , , Rahimi ، Mostafa نويسنده Ph.D Student in Exercise Physiology, Exercise Physiology Research Center, Baqiyatallah University of Medical Science, Tehran, Iran. Rahimi , Mostafa , Asgari، Alireza نويسنده Exercise Physiology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran ,
Abstract :
Recently it has been suggested that low intensity (LI) resistance exercise (RE) alone or in combination with blood flow restriction (BFR) can be applied for cardiovascular function improvement or rehabilitation. The aim of the present study was to investigate the acute effects of LI eccentric RE with and without BFR on heart rate (HR), rate pressure product (RPP), blood pressure (BP) parameters [systolic, diastolic, and mean arterial pressure (MAP)], oxygen saturation (SpO2) and rate of perceived exertion (RPE). In a semi-experimental study 16 young adults (26.18 ± 3.67 years) volunteered and performed LI (30% maximum voluntary contraction) eccentric RE alone or combined with BFR. The results indicated that HR, RPP, and RPE increased significantly within both groups (P < 0.05); SBP and DBP increased significantly only with BFR (P < 0.05); MAP increased significantly during exercise without BFR (P < 0.05); and no change was observed in SpO2 in either groups (P > 0.05). Furthermore, studied parameters did not vary amongst different groups (P > 0.05). It is concluded that LI eccentric RE with BFR positively regulated the hemodynamic and cardiovascular responses. Therefore, the eccentric RE combined with BFR seems to be a good option for future studies with the aim of time efficacy, since it alters these parameters within normal values.
