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

Impact Loading01:19

Impact Loading

Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
Relative Velocity in Two Dimensions01:11

Relative Velocity in Two Dimensions

Relative velocity is the velocity of an object as observed from a particular reference frame, or the velocity of one reference frame with respect to another reference frame. The concept of relative velocity can be used to describe motion in two dimensions. Consider a particle P and two reference frames S and S′. The position of the origin of S′ as measured in S is , the position of P as measured in S′ is , and the position of P as measured in S is , which can be evaluated by utilizing vector...
Relative Velocity in One Dimension01:10

Relative Velocity in One Dimension

The understanding of the concept of reference frames is essential to discuss relative motion in one or more dimensions. When we say that an object has a certain velocity, we must state the velocity with respect to a given reference frame. In most examples, this reference frame has been Earth. For instance, if a statement reads that a person is sitting in a train moving at 10 m/s east, then it implies that the person on the train is moving relative to the surface of Earth at this velocity,...
Velocity and Acceleration in Steady and Unsteady Flow01:11

Velocity and Acceleration in Steady and Unsteady Flow

In fluid mechanics, velocity and acceleration are key concepts for analyzing particle motion in both steady and unsteady flow. Consider a fluid particle moving along a pathline, where its velocity depends on its position and time. The particle's acceleration is obtained by differentiating the velocity with respect to time.
The acceleration can be generalized to any point in the flow, and expressed as components along three perpendicular directions, representing changes in velocity over time.
Velocity Potential01:20

Velocity Potential

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:
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...

You might also read

Related Articles

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

Sort by
Same author

Improving Base Running Diagnostics With Foot Pod Technology: Intersession Reliability of Linear and Curvilinear Running Performance.

Journal of strength and conditioning research·2026
Same author

New Perspectives on Analyzing and Interpreting Base Running Efficiency: A GPS Approach.

Sensors (Basel, Switzerland)·2026
Same author

Beyond Jump Height: A Comparison of Concentric Variables in the Squat Jump, Countermovement Jump and Drop Jump for Athletic Profiling.

Sports (Basel, Switzerland)·2025
Same author

Masterclass: Are you getting the most out of your triple hop testing?

Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine·2025
Same author

Risky outdoor play in the early years: how are parental and practitioner perceptions of danger and benefits associated with young children's outdoor play experiences?

International journal of play·2025
Same author

The Training Effects of Wearable Resistance on Throwing Performance in Collegiate Baseball Pitchers: A Pilot Study.

International journal of sports physiology and performance·2025
Same journal

Seasonal Changes in Collegiate Division-I Soccer Athlete Countermovement Jump Performance.

Journal of strength and conditioning research·2026
Same journal

Moderate Intensity Resistance Training With Partial Range-of-Motion at Long Muscle Lengths Elicits Similar Hypertrophy and Architectural Adaptations as High Intensity Resistance Training Using Full Range-of-Motion.

Journal of strength and conditioning research·2026
Same journal

Countermovement Jump Responses During an Academy Rugby League In-Season.

Journal of strength and conditioning research·2026
Same journal

The Association Between Athletic Movement Quality and Physical Fitness in Athletic Populations: A Systematic Review With Multilevel Meta-Analysis.

Journal of strength and conditioning research·2026
Same journal

Sex Differences in Maximal and Endurance Adductor Strength: Implications for Athlete Screening and Return to Play.

Journal of strength and conditioning research·2026
Same journal

The Role of Y Balance Test Execution Time in Detecting Chronic Ankle Instability.

Journal of strength and conditioning research·2026
See all related articles

Related Experiment Video

Updated: Jun 18, 2026

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

Using the load-velocity relationship for 1RM prediction.

Boris Jidovtseff1, Nigel K Harris, Jean-Michel Crielaard

  • 1Department of Sports Sciences, Service of Training and Assessment of Physical Fitness, University of Liege, Liege, Belgium. b.jidovtseff@ulg.ac.be

Journal of Strength and Conditioning Research
|December 8, 2009
PubMed
Summary
This summary is machine-generated.

The load-velocity relationship accurately predicts bench press one-repetition maximum (1RM). This method uses submaximal loads to estimate maximal strength, offering a reliable alternative to traditional testing.

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

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
07:30

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations

Published on: May 1, 2018

Related Experiment Videos

Last Updated: Jun 18, 2026

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

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

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
07:30

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations

Published on: May 1, 2018

Area of Science:

  • Sports Science
  • Biomechanics
  • Strength and Conditioning

Background:

  • Estimating maximal strength, such as the one-repetition maximum (1RM), is crucial for training prescription.
  • Traditional 1RM testing can be time-consuming and carries a risk of injury.
  • Submaximal testing methods offer a safer and more efficient alternative.

Purpose of the Study:

  • To evaluate the predictive accuracy of the load-velocity relationship for the bench press 1RM.
  • To determine if load-velocity profiling can reliably estimate maximal strength.
  • To assess the validity of using theoretical load at zero velocity (LD0) for 1RM prediction.

Main Methods:

  • Analysis of data from three distinct bench press studies (total n=112).
  • Inclusion of participants who underwent both 1RM assessment and submaximal load-velocity profiling.
  • Application of individual regression analysis to determine LD0 and correlation analysis to assess relationships.

Main Results:

  • A practically perfect correlation (r ≈ 0.95) was found between the predicted 1RM (LD0) and the actual 1RM.
  • The load-velocity profile demonstrated high accuracy in predicting bench press 1RM across different studies.
  • Consistent results were observed when analyzing data from individual studies and as an overall group mean.

Conclusions:

  • The load-velocity relationship is a highly accurate method for predicting bench press 1RM.
  • Load-velocity profiling offers a valid and reliable tool for estimating maximal strength.
  • This approach provides a practical and potentially safer alternative for assessing strength capabilities.