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 Muscle Performance01:27

Exercise and Muscle Performance

Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Power01:08

Power

The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
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 met...
Upward Impending Motion01:21

Upward Impending Motion

A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. Its operation is based on converting the force applied at its handle into a torsional moment, causing the upward impending motion of the screw. This movement is accomplished by overcoming the static friction between the threads of the screw and the jack.
To better comprehend how a screw jack functions, consider the completely unraveled thread as a block in contact with the...
Energy Diagrams - I01:14

Energy Diagrams - I

The dynamics of a mechanical system can be easily understood by interpreting a potential energy diagram. Since energy is a scalar quantity, the interpretation of the dynamics of the system becomes even simpler.
Take the example of a skater on a parabolic ramp. The potential energy at different points along the ramp will be proportional to the height of the ramp, which varies quadratically with the horizontal position on the ramp. As the skater moves down the ramp from the highest position,...

You might also read

Related Articles

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

Sort by
Same author

Normative data and predictors of trunk muscle endurance performance in young tennis players.

Frontiers in sports and active living·2026
Same author

Acute effects of predominantly inertial load-induced post-activation potentiation on upper-body muscle mechanics: implications for racket sports performance.

Frontiers in sports and active living·2026
Same author

Grip Strength in Young Tennis Players: Normative Values and Predictors of Performance.

International journal of sports physiology and performance·2026
Same author

The Feasibility of Artificial Intelligence and Raman Spectroscopy for Determining the Authenticity of Minced Meat.

Foods (Basel, Switzerland)·2025
Same author

Effects of Sensory-Enhanced Acute Exercise on Affective Characteristics of Employees.

Behavioral sciences (Basel, Switzerland)·2025
Same author

Spatial distribution of major and trace elements in artificial lakes in Serbia: health risk indices and suitability of water for drinking and irrigation purposes.

Environmental monitoring and assessment·2023

Related Experiment Video

Updated: May 19, 2026

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol
08:21

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Published on: June 8, 2017

Power output in vertical jumps: does optimum loading depend on activity profiles?

Nemanja Pazin1, Bobana Berjan, Aleksandar Nedeljkovic

  • 1Faculty of Sports and Physical Education, The Research Center, University of Belgrade, Belgrade, Serbia.

European Journal of Applied Physiology
|August 7, 2012
PubMed
Summary

The maximum dynamic output (MDO) hypothesis suggests optimal jumping power occurs at a load equal to body weight. This study found that individuals across various activity levels achieved peak power output when jumping with their own body weight, supporting the MDO hypothesis.

More Related Videos

Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
07:44

Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors

Published on: October 3, 2025

Related Experiment Videos

Last Updated: May 19, 2026

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol
08:21

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Published on: June 8, 2017

Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
07:44

Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors

Published on: October 3, 2025

Area of Science:

  • Biomechanics
  • Human Movement Science
  • Exercise Physiology

Background:

  • The maximum dynamic output (MDO) hypothesis posits that optimal external load for maximal power production during dynamic movements, like jumping, is equivalent to the individual's body weight.
  • Understanding the optimal load for power output is crucial for designing effective training programs and performance enhancement strategies in sports and rehabilitation.

Purpose of the Study:

  • To empirically test the maximum dynamic output (MDO) hypothesis across diverse male populations with varying physical activity profiles.
  • To determine if the optimal load for maximizing power output during vertical jumps is consistently an individual's own body weight, irrespective of their training status.

Main Methods:

  • Forty males representing four groups (strength-trained athletes, speed-trained athletes, physically active non-athletes, sedentary individuals) performed vertical jumps.
  • A pulley system modified external loading by ±10-30% of each subject's body weight during jumps.
  • Force plate data captured jump kinetics, including force output and peak jumping velocity, under varied loading conditions.

Main Results:

  • Increased external loading significantly enhanced force output (p < 0.001) but decreased peak jumping velocity across all participant groups.
  • All groups demonstrated maximal peak and mean power output when jumping with approximately their own body weight.
  • While a moderate 'group × load' interaction was noted for peak power in one jump type, the individual optimal load for power maximization did not significantly differ between groups.

Conclusions:

  • The findings provide strong empirical support for the maximum dynamic output (MDO) hypothesis, indicating that an individual's own body weight represents the optimal load for maximizing power output during vertical jumps.
  • The optimal load for power production appears consistent across different activity profiles, suggesting a universal principle in human biomechanics for this type of movement.
  • Further research is warranted to explore the MDO hypothesis across different movement patterns and populations.