scholarly journals Acute effect of resistance exercise performed at different intensities on the hemodynamics of normotensive men

Motricidade ◽  
2016 ◽  
Vol 12 (1) ◽  
pp. 60 ◽  
Author(s):  
Mauricio Assis Saldanha ◽  
José Vilaça-Alves ◽  
Gabriel Rodrigues Neto ◽  
Jefferson Da Silva Novaes ◽  
Francisco Saavedra ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Resistance Exercise ◽  
Bench Press ◽  
Acute Effect ◽  
Double Product ◽  
Post Exercise ◽  
Leg Extension ◽  
Minute Post ◽  
Leg Flexion ◽  
Experimental Protocols

<p>The aim of this study was to investigate the acute effect of resistance exercise performed at different intensities on the hemodynamics of normotensive men. The study included 10 normotensive and recreationally-trained men (25.40 ± 6.90 years) performed the following three experimental protocols in a randomized order: a) 60% of 8RM; b) 80% of 8RM; c) 100% of 8RM. All protocols performed six exercises (Leg Press, Vertical Bench Press, Leg Flexion, Close-Grip Seated Row, Leg Extension and Shoulder Press) with three sets of eight repetitions for each exercise. Systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR) and double product (DP) were measured at rest, at the end of exercise and during the 60-minute post-exercise. The findings showed that there was a significant reduction in the faster SBP with a longer duration (<em>p</em>&lt; 0.0001) for the 100% of 8RM intensity, but without significant decreases in DBP for all intensities (<em>p</em>&gt; 0.05). There were significantly higher elevations in HR and DP for 100% of 8RM at all times (<em>p</em>&lt;0.0001). We conclude that high intensities (100% of 8RM) promote post-exercise hypotension with faster responses and greater duration and increase HR and DP in normotensive men.</p>

scholarly journals Ischemic Preconditioning Promotes Post-Exercise Hypotension in a Session of Resistance Exercise in Normotensive Trained Individuals

2019 ◽  
Vol 17 (1) ◽  
pp. 78 ◽  
Author(s):  
Patricia Panza ◽  
Jefferson Novaes ◽  
Luiz Guilherme Telles ◽  
Yuri Campos ◽  
Gleisson Araújo ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Resistance Exercise ◽  
Ischemic Preconditioning ◽  
Training Session ◽  
Vascular Occlusion ◽  
Acute Effect ◽  
Post Exercise ◽  
Resistance Exercises ◽  
Experimental Protocols ◽  
Post Exercise Hypotension

Ischemic preconditioning (IPC) is a method that has been used prior to resistance exercise to improve performance. However, little is known about its effect before a resistance exercise training session on hemodynamic responses. Thus, the aim of the study was to verify the acute effect of IPC before a session of resistance exercises on the systolic blood pressure (SBP), diastolic blood pressure (DBP), and mean blood pressure (MBP) of trained normotensive trained individuals. Sixteen men (25.3 ± 1.7 years; 78.4 ± 6.2 kg; 176.9 ± 5.4 cm, 25.1 ± 1.5 m2.kg−1) trained in resistance exercise (RE) (5.0 ± 1.7 years) were evaluated in five sessions on non-consecutive days. The first two sessions’ subjects performed one repetition maximum (RM) test and retest, and for the next three sessions, they performed the experimental protocols: (a) IPC + RE; (b) SHAM + RE; (c) RE. The RE protocol consisted of six multi-joint exercises, three sets at 80% of 1RM until concentric failure. Blood pressure was monitored pre-session, immediately after and every 10 min for 60 min after RE. IPC consisted of 4 × 5 min of vascular occlusion/reperfusion at 220 mmHg. SHAM (fake protocol) consisted of 20 mmHg of vascular occlusion/reperfusion. The IPC + RE protocol showed significant reductions on SBP, DBP, and MBP compared with SHAM + RE (p < 0.05) and with RE (p < 0.05). The IPC + RE protocol presented a greater magnitude and duration of post-exercise hypotension (PEH) from 20 to 60 min after exercise in SBP (−11 to 14 mmHg), DBP (−5 to 14 mmHg), and MBP (−7 to 13 mmHg). Therefore, we can conclude that the application of IPC before an RE session potentiated the PEH in normotensive individuals trained in resistance exercise.

scholarly journals Comparison of Post-Exercise Hypotension Responses in Paralympic Powerlifting Athletes after Completing Two Bench Press Training Intensities

Medicina ◽  
2020 ◽  
Vol 56 (4) ◽  
pp. 156
Author(s):  
Ângelo de Almeida Paz ◽  
Felipe José Aidar ◽  
Dihogo Gama de Matos ◽  
Raphael Fabrício de Souza ◽  
Marzo Edir da Silva-Grigoletto ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Resistance Training ◽  
Exercise Training ◽  
High Intensity ◽  
Bench Press ◽  
National Level ◽  
Random Order ◽  
Double Product ◽  
Post Exercise ◽  
Post Exercise Hypotension

Background and objective: Post-exercise hypotension, the reduction of blood pressure after a bout of exercise, is of great clinical relevance. Resistance exercise training is considered an important contribution to exercise training programs for hypertensive individuals and athletes. In this context, post-exercise hypotension could be clinically relevant because it would maintain blood pressure of hypertensive individuals transiently at lower levels during day-time intervals, when blood pressure is typically at its highest levels. The aim of this study was to compare the post-exercise cardiovascular effects on Paralympic powerlifting athletes of two typical high-intensity resistance-training sessions, using either five sets of five bench press repetitions at 90% 1 repetition maximum (1RM) or five sets of three bench press repetitions at 95% 1RM. Materials and Methods: Ten national-level Paralympic weightlifting athletes (age: 26.1 ± 6.9 years; body mass: 76.8 ± 17.4 kg) completed the two resistance-training sessions, one week apart, in a random order. Results: Compared with baseline values, a reduction of 5–9% in systolic blood pressure was observed after 90% and 95% of 1RM at 20–50 min post-exercise. Furthermore, myocardial oxygen volume and double product were only significantly increased immediately after and 5 min post-exercise, while the heart rate was significantly elevated after the resistance training but decreased to baseline level by 50 min after training for both training conditions. Conclusions: A hypotensive response can be expected in elite Paralympic powerlifting athletes after typical high-intensity type resistance-training sessions.

scholarly journals HYPOTENSION EFFECT OF RESISTANCE EXERCISE WITH BLOOD FLOW RESTRICTION IN DIFFERENT INTENSITIES AND VOLUMES

2019 ◽  
Author(s):  
Davidson Costa Soares ◽  
Paulo Eduardo Pereira ◽  
Matheus Guidugli de Oliveira ◽  
Paulo Azevedo
Keyword(s):  
Blood Pressure ◽  
Blood Flow ◽  
Resistance Exercise ◽  
Bench Press ◽  
Cardiovascular Effects ◽  
Hypotensive Effect ◽  
Blood Flow Restriction ◽  
Post Exercise ◽  
Flow Restriction ◽  
Hypotensive Response

Resistance exercise with blood flow restriction (BFR) promote several benefits, among them the cardiovascular effects, as the hypotensive effect. The objective of this study is to test whether the intensity and volume of BRF modulate the magnitude of the post-exercise hypotensive response. Fourteen young men performed three RBF protocols: BRF50% (50% of 1RM, 4 sets until concentric failure), BRF30% (30% of 1RM, 4 sets until concentric failure), and BRF50%eq (50% of 1RM with equalised volume, 4 sets with the repetitions determined by equalisation). The exercises performed in the three protocols were the bench press and pulley. We calculated the total work. Over 60 minutes after exercise, we measured systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial pressure (MAP). Neither the intensity nor the BFR volume influenced the magnitude of the hypotensive response. Thus, the results of the present study show that there is no need to use high training loads when the goal is to promote post-exercise hypotension or to maintain blood flow restriction for long periods.

Validity of Isokinetic and Isometric Testing modalities for Assessing Short-term Resistance Exercise Strength Gains

1992 ◽  
Vol 1 (4) ◽  
pp. 275-283 ◽  
Author(s):  
Andrew C. Fry ◽  
Dawn R. Powell ◽  
William J. Kraemer
Keyword(s):  
Resistance Exercise ◽  
Human Performance ◽  
Peak Torque ◽  
Quadriceps Strength ◽  
Short Term ◽  
Isokinetic Testing ◽  
Leg Extension ◽  
Leg Flexion ◽  
Isokinetic Torque ◽  
Torque Values

Although it is generally accepted that human performance must be assessed in a manner specific to the training, previous studies have violated this principle. In order to determine the validity of evaluating short-term resistance training programs with isometric and isokinetic measures, 23 recreationally active males participated in an 8-week training program. Subjects were randomly divided into barbell squat, hip sled, leg extension, and control groups. Pre- and posttesting of quadriceps strength was performed with a Cybex isokinetic dynamometer. Six angle-specific torques (N.m) were determined at 0 rad-s-1 and 1.05 rad-s-1. Ten RM training loads increased significantly for all groups that trained. Isometric torque values differed significantly from isokinetic torque values at 30, 60, 75, and 90° of leg flexion for all groups. No significant torque increases from pre- to posttest were observed for any group at any limb angle for either isometric or isokinetic testing, or for isokinetic peak torque. This indicates that strength increases during short-term dynamic external resistance exercise are not adequately assessed with either isometric or isokinetic evaluations.

scholarly journals Post-exercise hypotension of normotensive young men through track running sessions

2015 ◽  
Vol 21 (3) ◽  
pp. 192-195 ◽  
Author(s):  
Emerson Pardono ◽  
Manuella de Oliveira Fernandes ◽  
Luan Morais Azevêdo ◽  
Jeeser Alves de Almeida ◽  
Marcio Rabelo Mota ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Young Men ◽  
Daily Basis ◽  
Physically Active ◽  
Post Exercise ◽  
Laboratory Exercise ◽  
Practical Applications ◽  
Pharmacological Mechanism ◽  
Minute Post ◽  
Post Exercise Hypotension

INTRODUCTION: After a single session of physical exercise the blood pressure is reduced (post-exercise hypotension, PHE) and it has been considered as a non-pharmacological mechanism to control the blood pressure. When the exercise is performed since youth it can prevent or avoid hypertension. However, it is important to consider studies with clear practical applications to optimize its reproducibility on a daily basis. OBJECTIVE: Analyze the PEH of normotensive and physically active young men after two track running sessions (maximum and submaximal). METHODS: Participated in this study 62 physically active young men (23.3 ± 4.2 years old; 75.5 ± 9.8 kg; 177.7 ± 5.5 cm; 12.0 ± 4.6% body fatF; 52.4 ± 4.0 mL.kg-1.min-1oxygen uptake), which performed a maximum laboratory exercise test for determination of maximal oxygen uptake (VO2max - aerobic power) and subsequently three randomly running sessions (maximum - T1600; submaximal - T20; control - CON), with 48h interval between themselves. Blood pressure (BP) was measured each 15min during a 60 min period after sessions. RESULTS: Both the maximum and the submaximal exercise lead to PEH. The post-exercise values of systolic blood pressure and diastolic blood pressure differed from resting value in session T20 (p<0.05). The same pattern occurred after T1600 (p<0.05), evidenced from 30th minute post-exercise. The CON did not result in PEH. The magnitude of decay for the mean BP at the 45th after maximum exercise was higher than the other sessions (p<0.05). CONCLUSION: We concluded that both maximum and submaximal exercises, performed on a track running condition, caused PEH in young normotensive and physically active men.

Effect of High-velocity Resistance Exercise on 24-h Blood Pressure in Hypertensive Older Women

2020 ◽  
Vol 42 (01) ◽  
pp. 41-47
Author(s):  
Filipe Fernandes Oliveira-Dantas ◽  
Rodrigo Alberto Vieira Browne ◽  
Ricardo Santos Oliveira ◽  
Ludmila Lucena Pereira Cabral ◽  
Luiz Fernando de Farias Junior ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Resistance Exercise ◽  
Older Women ◽  
Ambulatory Blood Pressure ◽  
High Velocity ◽  
Moderate Intensity ◽  
Exercise Session ◽  
Control Session ◽  
Post Exercise ◽  
Resistance Exercise Session

AbstractThis study investigated the acute post-exercise effect of high-velocity resistance exercise on ambulatory blood pressure in hypertensive older women. Fourteen volunteers (67.9±5.1 years) performed a high-velocity resistance exercise session (8 exercises using Thera-Band, 3 sets of 6 repetitions as fast as possible in the concentric phase with moderate intensity) and a control session, separated by a 7–10-day period. Ambulatory blood pressure was monitored following 12-h post-sessions and compared between conditions at 1 to 4-h, 5 to 8-h, and 9 to 12-h. Average 24-h ambulatory blood pressure, awake, asleep periods, and blood pressure load were also analyzed. There was a condition by time interaction for systolic ambulatory blood pressure over 12-h post-sessions (P=0.043). It was observed a lower systolic ambulatory blood pressure in the first 4-h period following the high-velocity resistance exercise session compared to the control session (−6.7 mmHg, 95% CI  − 11.6 to −1.8 mmHg; P=0.011). No changes were observed for diastolic ambulatory blood pressure over 12-h post-sessions as well as for the other variables analyzed (P>0.05). In summary, a single high-velocity resistance exercise session elicits a post-exercise antihypertensive effect and may be considered as a strategy to acutely improve blood pressure control in hypertensive older women.

scholarly journals Acute and Training Effects of Exercise in Hypertensive Individuals

Proceedings ◽  
2019 ◽  
Vol 25 (1) ◽  
pp. 35
Author(s):  
Stergiou ◽  
Chryssanthopoulos ◽  
Mantas ◽  
Tafrali ◽  
Kavida ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Handgrip Strength ◽  
Isometric Exercise ◽  
Exercise Bout ◽  
Acute Effect ◽  
Control Group ◽  
Maximal Heart Rate ◽  
Post Exercise ◽  
Arterial Blood ◽  
Stage 1

Aim: Aerobic, resistance, or isometric exercise has been shown to reduce blood pressure (BP) in normotensive and hypertensive individuals. The aim of this study was to examine the acute effect of combining resistance and isometric exercise and the training effect of combining all 3 types (aerobic, resistance and isometric exercise) in hypertensive patients. Material & Method: Fourteen adults, six females and eight males (age, 55 ± 11 yrs; BMI, 31.0 ± 6.0 kg.m2; body fat, 34 ± 14 %; waist circumference, 102 ± 18 cm; mean ± SD), with stage 1 and 2 hypertension performed a combined resistance and isometric exercise bout to examine the acute effect of exercise. Afterwards, volunteers were randomly divided into two groups of 7 participants each. One group performed 3 exercise sessions per week for 8 weeks (T). Training consisted of aerobic (45 min at 60–80% of maximal heart rate), resistance (3 sets of 10–15 repetitions at 60–80% of 1RM) and isometric (4 sets at 30% maximum handgrip strength for 2 min) exercise. The other group acted as a control group (C) and performed only isometric exercise at 5% of maximum handgrip strength for 2 min. Results: After the resistance-isometric exercise bout the average systolic (SBP), diastolic (DBP) and mean arterial blood pressure (MBP) over one hour post-exercise were reduced by 11 ± 2 mm Hg, 6 ± 1 mm Hg and 8 ± 1 mm Hg, respectively, compared to pre-exercise levels (p < 0.001). After 8 weeks of training in the T group SBP, DBP and MBP were reduced by 16 ± 4 mm Hg, 10 ± 3 mm Hg and 12 ± 3 mm Hg, respectively, compared to pre-training (p < 0.05). These values were higher (p < 0.05) than the corresponding values in the C group, where no changes were observed (SBP, 2 ± 1 mm Hg; DBP, 0 ± 1 mm Hg; MBP, 1 ± 1 mm Hg; p > 0.05). Conclusions: One bout of resistance-isometric exercise acutely reduced SBP, DBP, and MBP over one hour post-exercise, while 8 weeks of training that combined aerobic, resistance, and isometric exercise also reduced SBP, DBP, and MBP in adult patients with stage 1 and 2 hypertension.

Similar Effects of Acute Resistance Exercise on Carotid Stiffness in Males and Females

2020 ◽  
Vol 41 (02) ◽  
pp. 82-88
Author(s):  
Georgios Grigoriadis ◽  
Alexander J. Rosenberg ◽  
Wesley K. Lefferts ◽  
Sang Ouk Wee ◽  
Elizabeth C Schroeder ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Sex Differences ◽  
Elastic Modulus ◽  
Resistance Exercise ◽  
Aortic Stiffness ◽  
Arterial Compliance ◽  
Post Exercise ◽  
Vascular Responses ◽  
Carotid Stiffness ◽  
Males And Females

AbstractSex differences exist in vascular responses to blood pressure perturbations, such as resistance exercise. Increases in aortic stiffness following acute resistance exercise appear different between sexes, with attenuated increases in females vs. males. Whether sex differences exist in carotid stiffness, following resistance exercise is unknown. This study sought to examine sex differences in carotid stiffness, aortic stiffness, and hemodynamics following acute resistance exercise. Thirty-five participants (18 male) completed 3 sets of 10 repetitions of maximal isokinetic knee extension/flexion. Aortic stiffness and hemodynamics were estimated using an automated oscillometric blood pressure monitor at baseline, 5- and 30-min post-exercise. Carotid stiffness was assessed by β-stiffness index, pressure-strain elastic modulus and arterial compliance using ultrasonography. Resistance exercise increased aortic stiffness, mean and systolic pressure at 5-min (p<0.01), and pressure-strain elastic modulus at 5-min in both sexes (p<0.05). Arterial compliance decreased at 5- and 30-min post exercise in both sexes (p<0.01). No interaction effects were detected in carotid stiffness, aortic stiffness, and hemodynamics, indicating similar vascular responses between sexes. Our findings indicate that the large arteries appear to stiffen similarly following resistance exercise in males and females when presented with similar blood pressure responses.

scholarly journals Oxygen Uptake On-Kinetics during Low-Intensity Resistance Exercise: Effect of Exercise Mode and Load

2019 ◽  
Vol 16 (14) ◽  
pp. 2524 ◽  
Author(s):  
Victor M. Reis ◽  
Eduardo B. Neves ◽  
Nuno Garrido ◽  
Ana Sousa ◽  
André L. Carneiro ◽  
...  
Keyword(s):  
Oxygen Uptake ◽  
Resistance Exercise ◽  
Bench Press ◽  
Slow Component ◽  
Kinetics Parameters ◽  
Leg Extension ◽  
Low Intensity ◽  
Vo2 Kinetics ◽  
Exercise Effect ◽  
Constant Work Rate

Oxygen uptake (VO2) kinetics has been analyzed through mathematical modeling of constant work-rate exercise, however, the exponential nature of the VO2 response in resistance exercise is currently unknown. The present work assessed the VO2 on-kinetics during two different sub maximal intensities in the inclined bench press and in the seated leg extension exercise. Twelve males (age: 27.2 ± 4.3 years, height: 177 ± 5 cm, body mass: 79.0 ± 10.6 kg and estimated body fat: 11.4 ± 4.1%) involved in recreational resistance exercise randomly performed 4-min transitions from rest to 12% and 24% of 1 repetition maximum each, of inclined bench press (45°) and leg extension exercises. During all testing, expired gases were collected breath-by-breath with a portable gas analyzer (K4b2, Cosmed, Italy) and VO2 on-kinetics were identified using a multi-exponential mathematical model. Leg extension exercise exhibited a higher R-square, compared with inclined bench press, but no differences were found in-between exercises for the VO2 kinetics parameters. VO2 on-kinetics seems to be more sensitive to muscle related parameters (upper vs. lower body exercise) and less to small load variations in the resistance exercise. The absence of a true slow component indicates that is possible to calculate low-intensity resistance exercise energy cost based solely on VO2 measurements.

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