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

Velocity Potential01:20

Velocity Potential

611
In steady, incompressible flow through a long, straight pipe with a uniform cross-section, the flow in the central region (far from the pipe walls) is irrotational. This irrotational nature means that fluid particles do not rotate around their axes, and a scalar function called the velocity potential, represented by ϕ, can be used to describe their movement. In irrotational flows, the velocity field V is defined as the gradient of the velocity potential:
611
Design Example: Designing Water Slide01:18

Design Example: Designing Water Slide

541
When designing a water slide, controlling the speed of water flow is crucial for rider safety while maintaining an exciting experience. As water flows down the slide, gravity causes it to accelerate, with its speed at the bottom depending on the height from which it starts. The higher the slide, the more potential energy the water has at the top, which is converted into kinetic energy as it descends, increasing its speed.
Bernoulli's principle determines the water's velocity along the slide....
541
Force and Momentum01:17

Force and Momentum

22.7K
Force and momentum are intimately related. Force acting over time can change momentum, and Newton's second law of motion can be stated in its most broadly applicable form in terms of momentum. Momentum can be applied to systems where the mass is changing, such as rockets, as well as to systems of constant mass. Also, momentum continues to be a key concept in the study of atomic and subatomic particles in quantum mechanics. One can consider systems with varying mass in some detail; however, the...
22.7K
Power Expended by a Constant Force00:57

Power Expended by a Constant Force

8.7K
The relationship between work done and the time taken to do it can be explained using the concept of power. For example, several sprinters in a race may have the same velocity when they reach the finish line, therefore doing the same amount of work, but the winner does it in the least amount of time. Thus, power is defined as the rate of doing work. Since work can vary as a function of time, the average power is defined as the work done during a time interval, divided by the time interval.
8.7K
Elevation of Intermediate Points on Vertical Curves01:20

Elevation of Intermediate Points on Vertical Curves

203
Vertical curves are essential in roadway design because they provide smooth transitions between varying roadway grades. Designing vertical curves involves calculating intermediate elevations and identifying the curve's highest or lowest point, which is essential for optimal roadway performance.Intermediate elevations on a vertical curve are determined using the tangent offset method. This method considers the initial elevation at the start of the curve, the grades, and the curve's geometry. The...
203
Impact: Problem Solving01:26

Impact: Problem Solving

399
In an experiment conducted during a Mars mission, a rover propels a projectile with an initial velocity, and the projectile rebounds after colliding with the Martian surface. To ascertain the maximum height attained by the projectile after this collision, the known restitution coefficient and acceleration due to gravity are employed.
By designating the launch point as the origin and utilizing kinematic equations, the vertical component of the projectile's velocity at the point of impact is...
399

You might also read

Related Articles

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

Sort by
Same author

Retraction Notice to Concentric and Eccentric Exercise: J Pain 14:1531-1532, 2013.

The journal of pain·2026
Same author

Lower limb muscle activity under full and partial towing assistance in sprint running.

Sports biomechanics·2026
Same author

RACLET: the Ramp Above Critical Level Endurance Test to evaluate critical velocity in running.

European journal of applied physiology·2026
Same author

Sport-specific sprint force-velocity-power profiles in youth athletes: maturity matters.

Sports biomechanics·2026
Same author

Determining force-velocity isokinetic capacities to individualize muscle strengthening in sports rehabilitation.

International journal of sports physical therapy·2026
Same author

Lower-Limb Strength in Alpine Skiing: Are Maximal, Explosive or Endurance Capacities More Important for Performance?

Scandinavian journal of medicine & science in sports·2026

Related Experiment Video

Updated: Dec 17, 2025

Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance
06:36

Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance

Published on: June 11, 2019

11.2K

Force-Velocity-Power Profile in High-Elite Boulder, Lead, and Speed Climber Competitors.

Guillaume Levernier, Pierre Samozino, Guillaume Laffaye

    International Journal of Sports Physiology and Performance
    |June 23, 2020
    PubMed
    Summary

    Boulderers exhibit superior force-production capabilities in pull-up tests compared to lead and speed climbers. This study highlights their higher maximal power and velocity, crucial for climbing performance.

    Keywords:
    maximal power outputphysical performancepull-uptraining and testingupper limbs

    More Related Videos

    Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion
    08:55

    Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion

    Published on: February 5, 2020

    7.9K
    Importance of Jumping Ability in Handball Throwing Speed and Accuracy
    02:43

    Importance of Jumping Ability in Handball Throwing Speed and Accuracy

    Published on: April 4, 2025

    1.1K

    Related Experiment Videos

    Last Updated: Dec 17, 2025

    Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance
    06:36

    Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance

    Published on: June 11, 2019

    11.2K
    Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion
    08:55

    Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion

    Published on: February 5, 2020

    7.9K
    Importance of Jumping Ability in Handball Throwing Speed and Accuracy
    02:43

    Importance of Jumping Ability in Handball Throwing Speed and Accuracy

    Published on: April 4, 2025

    1.1K

    Area of Science:

    • Sports Science
    • Biomechanics
    • Climbing Performance Analysis

    Background:

    • Climbing disciplines like bouldering, lead, and speed climbing demand distinct physiological adaptations.
    • Understanding the force-production capacities specific to each climbing discipline is essential for targeted training and performance enhancement.

    Purpose of the Study:

    • To compare the force-production capacities of elite boulderers, lead climbers, and speed climbers.
    • To analyze these differences using a force-velocity-power profile during a pull-up test.

    Main Methods:

    • Twenty-four elite climbers (11 boulderers, 8 lead, 5 speed) performed pull-ups with varying external loads (0-70% body mass).
    • Force-velocity-power profiles were assessed using accelerometers.
    • Statistical analysis included intraclass correlation, coefficient of variation, and 1-way ANOVA with Tukey post hoc tests.

    Main Results:

    • The force-velocity-power profiling method demonstrated high reliability (ICC > .84, CV < 6.62%).
    • Boulderers showed significantly higher maximal power (+22-26%), mean power at body weight (+23-25%), and theoretical maximal velocity (+21-24%) compared to lead and speed climbers.
    • Boulderers also exhibited a more significant curve increase in power output with increasing velocity.

    Conclusions:

    • The force-velocity-power profile is a reliable method for assessing climbing-specific strength.
    • Boulderers possess superior force-production capabilities and can maintain high velocity under increased force demands, distinguishing them from lead and speed climbers.