title: Haemodynamic responses during resistance exercise with blood flow restriction in hypertensive subjects.
abstract: OBJECTIVE
  This study aimed to compare haemodynamic responses during resistance exercise with blood flow restriction (BFR) in hypertensive women.
  
  
  METHODS
  Twelve hypertensive women undertook three random experimental sessions in the leg-press exercise: (i) Three sets, eight repetitions, 20% of one-repetition maximum (1 RM), with BFR; (ii) Three sets, 15 repetitions, 65% of 1 RM, without BFR; and (iii) three sets, 15 repetitions, 20% of 1 RM, without BFR. The BFR was performed using two sphygmomanometers adjusted to fit both thighs. Systolic (SBP) and diastolic blood pressure (DBP), heart rate (HR), stroke volume (SV), cardiac output (CO) and systemic vascular resistance (SVR) were measured on a beat-to-beat continuous basis.
  
  
  RESULTS
  When compared to the 20% without BFR, the session with BFR presented increased values in all sets for the variables SBP, DBP, CO and SVR, and in the 2nd and 3rd sets for HR. The session with BFR also presented increased values compared to the 65% of 1 RM in the 2nd and 3rd sets for the variables SBP, DBP and HR and in all sets for the variables CO and SVR.
  
  
  CONCLUSIONS
  Low-intensity resistance exercise with BFR can initiate higher haemodynamic and cardiovascular values than traditional high-intensity resistance exercises in hypertensive women.
authors.affiliation: Research Group of Cardiovascular Response and Exercise, Londrina State University, Londrina, PR, Brazil.
authors.forename: Roberta R
authors.initials: RR
authors.lastname: Pinto
authors.affiliation: Research Group of Cardiovascular Response and Exercise, Londrina State University, Londrina, PR, Brazil.
authors.forename: Marcos D
authors.initials: MD
authors.lastname: Polito
mesh_terms: D001794:Blood Pressure; D002302:Cardiac Output; D005260:Female; D006339:Heart Rate; D006439:Hemodynamics; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D011897:Random Allocation; D012039:Regional Blood Flow; D055070:Resistance Training / Q000379:methods*; D013997:Time Factors; D014111:Tourniquets; D014655:Vascular Resistance
keywords: Kaatsu training; blood pressure; cardiovascular system; muscle strength; resistance training