Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

869
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
869
Exercise Stress Test01:26

Exercise Stress Test

286
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
286
Antianginal Drugs: Nitrates and β-Blockers01:16

Antianginal Drugs: Nitrates and β-Blockers

656
In cardiovascular health, antianginal drugs combat angina pectoris — a condition marked by chest pain owing to diminished blood flow to the heart.
Organic nitrates,  such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow....
656
Heart Failure Drugs: β-Blockers01:22

Heart Failure Drugs: β-Blockers

368
β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation,...
368
Exercise and Cardiac Output01:17

Exercise and Cardiac Output

1.1K
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
1.1K
Alterations in Blood Pressure01:30

Alterations in Blood Pressure

1.3K
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
1.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Blackcurrant Anthocyanin Supplementation Alters Exercise-Induced Substrate Utilization - A Systematic Review and Meta-Analysis.

Journal of dietary supplements·2026
Same author

New Zealand blackcurrant extract has no effect on physiological and cardiovascular responses during low-intensity sustained intermittent isometric contractions in men.

European journal of applied physiology·2025
Same author

Reliability of Standardised High-Intensity Static Stretching on the Hamstrings over Multiple Visits.

Muscles (Basel, Switzerland)·2025
Same author

Alterations of Exercise-Induced Carbohydrate and Fat Oxidation by Anthocyanin-Rich New Zealand Blackcurrant Are Associated with the Pre-Intervention Metabolic Function: A Secondary Analysis of Randomized Crossover Trials.

Nutrients·2025
Same author

Effects of New Zealand Black Currant Extract on Exercising Substrate Utilization and Postexercise Blood Pressure in Men and Women.

International journal of sport nutrition and exercise metabolism·2025
Same author

The Effects of Static Stretching Intensity on Range of Motion and Strength: A Systematic Review.

Journal of functional morphology and kinesiology·2023

Related Experiment Video

Updated: Jul 24, 2025

Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice
10:00

Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice

Published on: March 15, 2019

8.4K

New Zealand Blackcurrant Increases Postexercise Hypotension Following Sustained Moderate-Intensity Exercise.

Yusen Shan1, Matthew David Cook2

  • 1School of Sport Science, Beijing Sport University, Beijing, BJ,People's Republic of China.

International Journal of Sport Nutrition and Exercise Metabolism
|July 6, 2023
PubMed
Summary
This summary is machine-generated.

New Zealand blackcurrant (NZBC) extract enhances post-exercise hypotension, increasing systolic blood pressure reduction after exercise. This study investigated its prolonged effects on cardiovascular responses following physical activity.

Keywords:
anthocyaninsblood pressurefat oxidationheart rate variability

More Related Videos

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

20.9K
Surgical Placement of Catheters for Long-term Cardiovascular Exercise Testing in Swine
12:37

Surgical Placement of Catheters for Long-term Cardiovascular Exercise Testing in Swine

Published on: February 9, 2016

13.5K

Related Experiment Videos

Last Updated: Jul 24, 2025

Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice
10:00

Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice

Published on: March 15, 2019

8.4K
Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

20.9K
Surgical Placement of Catheters for Long-term Cardiovascular Exercise Testing in Swine
12:37

Surgical Placement of Catheters for Long-term Cardiovascular Exercise Testing in Swine

Published on: February 9, 2016

13.5K

Area of Science:

  • Exercise Physiology
  • Nutritional Biochemistry
  • Cardiovascular Health

Background:

  • New Zealand blackcurrant (NZBC) extract is known to affect resting cardiovascular responses.
  • The impact of NZBC on post-exercise cardiovascular recovery, specifically blood pressure and heart rate variability, remains uninvestigated.

Purpose of the Study:

  • To determine the prolonged effects of NZBC supplementation on blood pressure and heart rate variability following exercise.
  • To compare the post-exercise cardiovascular responses between NZBC and placebo (PLA) in healthy adults.

Main Methods:

  • A double-blind, placebo-controlled, randomized crossover study involving 15 participants.
  • Participants consumed NZBC or PLA for 7 days, followed by 1 hour of treadmill exercise at 50% maximal oxygen uptake and 2 hours of supine rest.
  • Continuous monitoring of blood pressure and heart rate variability was performed.

Main Results:

  • NZBC intake increased average fat oxidation during exercise (p = .005) and enhanced high-frequency relative power (p = .037).
  • A greater reduction in systolic blood pressure was observed during the 2-hour recovery period with NZBC compared to PLA (p = .033).
  • No significant differences in diastolic or mean arterial pressure, or heart rate variability, were found between conditions.

Conclusions:

  • Seven-day NZBC intake promotes a more pronounced post-exercise hypotension in young, active individuals.
  • NZBC may influence cardiovascular recovery following moderate-intensity exercise, particularly concerning systolic blood pressure regulation.