Related Experiment Video

Updated: Mar 17, 2026

Determining the Contribution of the Energy Systems During Exercise
11:15

Determining the Contribution of the Energy Systems During Exercise

Published on: March 20, 2012

42.6K

Energy Cost During Prolonged Walking vs Jogging Exercise

T R Thomas, B R Londeree

    The Physician and Sportsmedicine
    |July 23, 2016
    PubMed

    More Related Videos

    Using Gold-standard Gait Analysis Methods to Assess Experience Effects on Lower-limb Mechanics During Moderate High-heeled Jogging and Running06:35

    Using Gold-standard Gait Analysis Methods to Assess Experience Effects on Lower-limb Mechanics During Moderate High-heeled Jogging and Running

    Published on: September 14, 2017

    9.7K
    Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption08:45

    Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption

    Published on: June 20, 2025

    689

    Related Concept Videos

    Energy-requiring Steps of Glycolysis01:20

    Energy-requiring Steps of Glycolysis

    Glucose is the source of nearly all energy used by organisms. The first step of converting glucose into usable energy is called glycolysis. Glycolysis occurs in the cytosol of the cell over two phases: an energy-requiring phase and an energy-releasing phase. Over the first three steps, glucose is converted into different forms and attached to two phosphate groups donated by two ATP molecules, resulting in an unstable sugar. In the next two stages, the unstable sugar splits into two sugar...
    173.2K
    Electrical Energy01:10

    Electrical Energy

    Using electric appliances for a longer period of time consumes more electrical energy and results in a higher electric bill. The energy produced by the transfer of electrons from one point to another is known as electrical energy. If power is delivered at a constant rate, the electrical energy can be defined as the product of power used by the device for a period of time. The energy unit on electric bills is the kilowatt-hour, where one kilowatt-hour is equivalent to 3.6 × 106 joules.
    1.9K
    Metabolic Rate01:25

    Metabolic Rate

    The human body is a powerhouse of energy, with every cell performing numerous functions that require energy. This energy production and consumption is measured by the metabolic rate, which quantifies the total heat generated by all the body's chemical reactions and mechanical work. This measurement helps to determine the rate of kilocalorie (kcal) consumption needed to fuel all ongoing activities.
    The Basal Metabolic Rate (BMR) measures the energy expended at rest.
    Several factors influence...
    1.4K
    Energy Supply for Muscle Contraction01:25

    Energy Supply for Muscle Contraction

    Skeletal muscle fibers have the unique ability to switch between rest and contraction states, using different sources of ATP for energy. The contraction cycle and Ca2+ transport back into the sarcoplasmic reticulum for relaxation require significant ATP. However, the ATP reserves in muscle fibers are limited and can only sustain contractions for a few seconds. Additional ATP production becomes necessary for prolonged contractions. As a result, muscle fibers generate ATP through various sources,...
    6.1K
    Activation Energy01:26

    Activation Energy

    Activation energy is the minimum amount of energy necessary for a chemical reaction to move forward. The higher the activation energy, the slower the rate of the reaction. However, adding heat to the reaction will increase the rate, since it causes molecules to move faster and increase the likelihood that molecules will collide. The collision and breaking of bonds represents the uphill phase of a reaction and generates the transition state. The transition state is an unstable high-energy state...
    88.6K
    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