Related Experiment Video

Updated: Mar 17, 2026

A Rapidly Incremented Tethered-Swimming Maximal Protocol for Cardiorespiratory Assessment of Swimmers
09:24

A Rapidly Incremented Tethered-Swimming Maximal Protocol for Cardiorespiratory Assessment of Swimmers

Published on: January 28, 2020

9.5K

Cardiorespiratory Cost of the Nautilus Express Circuit

L S Hempel, C L Wells

    The Physician and Sportsmedicine
    |July 17, 2016
    PubMed
    Summary

    Circuit weight-training programs like the Nautilus Express Circuit (NEC) may not sufficiently improve cardiorespiratory fitness. While heart rates stayed in range, oxygen uptake (VO2) levels indicated minimal aerobic exercise intensity.

    More Related Videos

    Using Near-Infrared Spectroscopy Wearable Devices to Identify Central Versus Peripheral Limitations During Exercise09:33

    Using Near-Infrared Spectroscopy Wearable Devices to Identify Central Versus Peripheral Limitations During Exercise

    Published on: December 19, 2024

    1.7K
    Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure04:20

    Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

    Published on: October 1, 2019

    6.3K

    Related Concept Videos

    Exercise and Cardiac Output01:17

    Exercise and Cardiac Output

    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...
    2.4K
    Respiratory Capacities01:24

    Respiratory Capacities

    Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
    One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
    The Functional Residual Capacity (FRC) represents the air in the...
    1.6K
    Node Analysis for AC Circuits01:14

    Node Analysis for AC Circuits

    Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
    To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
    759
    External and Internal Respiration01:24

    External and Internal Respiration

    External respiration occurs in the lungs, and it is the first step in the journey of oxygen inside the body. When we inhale, oxygen enters our lungs and diffuses across the thin alveolar membrane. The alveoli are tiny, air-filled sacs that provide a vast surface area for gas exchange. Oxygen in the alveoli has a higher partial pressure (105 mmHg) than in the adjacent pulmonary capillaries (40 mmHg), establishing a pressure gradient. As a result, oxygen molecules move from the alveoli into the...
    8.5K
    Exercise and Cardiovascular Response01:20

    Exercise and Cardiovascular Response

    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...
    4.9K
    Respiration Pathways01:26

    Respiration Pathways

    Cellular respiration is a fundamental metabolic process that enables organisms to generate energy from organic molecules. One of its central pathways is the tricarboxylic acid (TCA) cycle, also known as the Krebs cycle, which plays a crucial role in energy production and biosynthetic processes.Conversion of Pyruvate to Acetyl-CoAThe pyruvate generated from glycolysis undergoes oxidative decarboxylation by the pyruvate dehydrogenase complex, producing acetyl-CoA, one molecule of NADH, and one...
    875