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

Acid Strength and Molecular Structure03:05

Acid Strength and Molecular Structure

32.9K
Binary Acids and Bases
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with increasing...
32.9K
Measuring the Strength of Mice06:17

Measuring the Strength of Mice

56.5K
Deficits in muscular strength occur in many clinical conditions such as motor neuron disease. The inverted screen and weight lifting tests described here measure strength in mice almost exclusively, with minimal influence of factors such as...
56.5K
Strength of Cement01:20

Strength of Cement

468
Strength tests for cement are not performed directly on neat cement paste due to difficulty in obtaining consistent, reliable specimens. Instead, cement is typically tested in the form of cement-sand mortar.
For compressive strength tests, ASTM C 109-05 standards prescribe a cement-sand mix ratio of 1:2.75 and a water/cement ratio of 0.485 for making 2-inch cubes. These cubes are mixed, cast, and cured in saturated lime water at 23°C until testing. Flexural strength testing, outlined in...
468
Relation Between Tensile Strength and Compressive Strength of Concrete01:30

Relation Between Tensile Strength and Compressive Strength of Concrete

650
Concrete is a fundamental building material, and understanding its strengths is crucial for construction projects. The relationship between its tensile and compressive strengths is intricate, showing that while these strengths are related, they do not increase at the same rate. Tensile strength's growth is slower and is affected by various factors such as the methods used for testing, the size and shape of the specimen, the texture of the aggregate used, and the moisture content of the...
650
The Equilibrium Binding Constant and Binding Strength02:18

The Equilibrium Binding Constant and Binding Strength

14.9K
The equilibrium binding constant (Kb) quantifies the strength of a protein-ligand interaction. Kb can be calculated as follows when the reaction is at equilibrium:
14.9K
Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

13.1K
The effect of short-term resistance training on elderly people was investigated through the simultaneous use of several methods. Compared to a control group, many improvements were seen, including on muscle aerobic capacity, glucose tolerance, strength, power, and muscle quality (i.e., protein involved in cell signaling and muscle fiber type...
13.1K

You might also read

Related Articles

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

Sort by
Same author

The Impact of a Single Bout of Antagonist Stretching on Agonist Muscle Performance and Range of Motion: A Systematic review and Meta-analysis.

Sports medicine - open·2026
Same author

The Components of Physical Fitness: A Roundtable Statement by the American College of Sports Medicine.

Medicine and science in sports and exercise·2026
Same author

Effects of Combined Training on Physical Fitness According to Maturity in Male Youth Soccer Players.

Journal of strength and conditioning research·2026
Same author

What are the neurological, neurovascular, and psychological responses to stretching across the general population?

European journal of applied physiology·2026
Same author

Twelve Weeks of In-Season Strength Training at Moderate Intensities Improve Strength and Body Composition Without Increasing Muscle Damage or Inflammation in Elite Young Female Soccer Players.

Sports (Basel, Switzerland)·2026
Same author

Mirror Visual Feedback Selectively Attenuates Crossover Fatigue in Distal Upper Limb Musculature: A Randomized Controlled Crossover Investigation Comparing Children and Adults.

Life (Basel, Switzerland)·2026

Related Experiment Video

Updated: Jan 19, 2026

Measuring the Strength of Mice
06:17

Measuring the Strength of Mice

Published on: June 2, 2013

56.5K

Differences in Trunk Strength Between Weightlifters and Wrestlers.

Amira Ben Moussa Zouita1, Sghaier Zouita1,2, Catherine Dziri3

  • 1Higher Institute of Sport and Physical Education, Ksar-said, University of Manouba, Tunis, Tunisia.

Journal of Human Kinetics
|September 17, 2019
PubMed
Summary

High-level athletes, including weightlifters and wrestlers, exhibit superior trunk extension strength and power compared to controls. These athletes also show enhanced trunk flexion-extension ratios, crucial for stabilization and injury prevention.

Keywords:
backcoreisokinetic dynamometryspinesport performance

More Related Videos

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

13.1K
A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure
06:47

A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure

Published on: November 29, 2018

10.1K

Related Experiment Videos

Last Updated: Jan 19, 2026

Measuring the Strength of Mice
06:17

Measuring the Strength of Mice

Published on: June 2, 2013

56.5K
Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

13.1K
A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure
06:47

A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure

Published on: November 29, 2018

10.1K

Area of Science:

  • Sports Science
  • Biomechanics
  • Human Physiology

Background:

  • Limited research exists on trunk strength in elite athletes.
  • Understanding trunk muscle function is vital for athletic performance and injury prevention.

Purpose of the Study:

  • To compare maximal concentric isokinetic trunk extension and flexion torque, power, and strength ratios.
  • To evaluate these parameters in weightlifters, wrestlers, and a control group.

Main Methods:

  • Isokinetic dynamometry was used to assess peak torque, power, and strength ratios.
  • Measurements were taken during seated trunk extension/flexion at 60°/s and 180°/s.
  • Participants included 20 weightlifters, 20 wrestlers, and 25 controls, with no significant anthropometric differences.

Main Results:

  • Athletes demonstrated significantly higher trunk extension torque and power than controls at both angular velocities.
  • Athletes exhibited significantly greater trunk flexion-extension ratios compared to controls.
  • Weightlifters showed greater torque at 60°/s, while wrestlers had higher extensor muscle power at 180°/s.
  • Both athlete groups displayed stronger extensor than flexor muscles, essential for trunk stabilization.

Conclusions:

  • Elite athletes possess enhanced trunk strength and power, likely due to sport-specific demands.
  • The observed strength and power differences are crucial for trunk stabilization and injury prevention in athletes.
  • Specific differences between weightlifters and wrestlers suggest sport-specific adaptations in muscle function.