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

Rolling Resistance01:21

Rolling Resistance

706
When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
706
Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

874
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
874
Efficiency of The Carnot Cycle01:16

Efficiency of The Carnot Cycle

3.8K
The hypothetical Carnot cycle consists of an ideal gas subjected to two isothermal and two adiabatic processes. Since the internal energy of an ideal gas depends only on its temperature, which is the same before and after the completion of the Carnot cycle, there is no change in its internal energy. Hence, using the first law of thermodynamics, the total heat exchanged by the ideal gas equals the total work done. Thus, we can quantify the efficiency of the Carnot cycle via the heat exchanged...
3.8K

You might also read

Related Articles

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

Sort by
Same author

Longitudinal Changes and Correlates of 24-Hour Movement Behaviors in Brazilian Older Adults.

American journal of human biology : the official journal of the Human Biology Council·2026
Same author

Associations of 24-h movement behaviors with depressive symptoms among cancer survivors: findings from the NHANES 2011-2014.

Journal of cancer survivorship : research and practice·2026
Same author

Actigraphy-derived sleep duration and its association with blood pressure: NHANES 2011 to 2014.

Journal of hypertension·2026
Same author

Moderating effects of physical activity intensity and sedentary break patterns on the association between sedentary time and cardiometabolic risk in older adults.

Physiology & behavior·2025
Same author

Associations of Step Counts and Peak Step Cadence With DXA-Derived Total Body, Abdominal, and Visceral Fat in Older Adults.

Archives of physical medicine and rehabilitation·2025
Same author

Accelerometer-measured sedentary time accumulation patterns and cardiometabolic risk severity in community-dwelling older adults: A cross-sectional study.

BMC geriatrics·2025
Same journal

How Long Is Too Long? Effects of Mobile Game Duration on Stress and Cognitive Function by Gender.

International journal of exercise science·2026
Same journal

Effects of Inner Monologue Swearing on Physical Performance.

International journal of exercise science·2026
Same journal

Does Performing Partial Repetitions Beyond Momentary Failure Enhance Muscle Hypertrophy in Volume-Load-Equated Calf-Raise Resistance Training?

International journal of exercise science·2026
Same journal

Effects of Caffeine on NFL Combine-Like Tests in Undergraduate Students.

International journal of exercise science·2026
Same journal

The Impact of Chronic Ankle Instability on Functional and Perceived Single-leg Balance Control.

International journal of exercise science·2026
Same journal

Maximum-Speed Warm-Up Without External Load Improves the Chest Pass Distance in Female Basketball Players.

International journal of exercise science·2026
See all related articles

Related Experiment Video

Updated: Feb 27, 2026

Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running
08:26

Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running

Published on: July 17, 2020

6.5K

Rollers Versus Trainers: 10-Km Time Trial.

Wayland Tseh1, Tate B Devlin1, Taylor W Milleson1

  • 1School of Health and Applied Human Sciences, University of North Carolina Wilmington, Wilmington, NC, USA.

International Journal of Exercise Science
|July 5, 2017
PubMed
Summary
This summary is machine-generated.

Cycling performance in 10-km time trials significantly improved with both rollers and trainers. Rollers demonstrated a greater improvement in 10-km time trial performance compared to trainers.

Keywords:
Cyclingindoor equipmentperformancetraining

More Related Videos

Comparison of Kinetic Characteristics of Footwork during Stroke in Table Tennis: Cross-Step and Chasse Step
07:19

Comparison of Kinetic Characteristics of Footwork during Stroke in Table Tennis: Cross-Step and Chasse Step

Published on: June 16, 2021

3.2K
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

8.0K

Related Experiment Videos

Last Updated: Feb 27, 2026

Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running
08:26

Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running

Published on: July 17, 2020

6.5K
Comparison of Kinetic Characteristics of Footwork during Stroke in Table Tennis: Cross-Step and Chasse Step
07:19

Comparison of Kinetic Characteristics of Footwork during Stroke in Table Tennis: Cross-Step and Chasse Step

Published on: June 16, 2021

3.2K
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

8.0K

Area of Science:

  • Sports Science
  • Exercise Physiology
  • Cycling Performance Analysis

Background:

  • Cycling training devices like rollers and trainers are commonly used for performance enhancement.
  • The comparative effectiveness of these devices on specific cycling metrics, such as the 10-km time trial, requires detailed investigation.

Purpose of the Study:

  • To determine the effectiveness of cycling rollers versus trainers in improving 10-km time trial performance.
  • To compare the magnitude of improvement between the two training modalities and a control group.

Main Methods:

  • 14 participants (8 male, 6 female) completed a baseline 10-km time trial.
  • Participants were randomly assigned to a rollers group, a trainers group, or a control group.
  • The training groups underwent 24 supervised 40-minute sessions over 8 weeks at 65-80% HRmax.

Main Results:

  • Both rollers and trainers groups showed significant improvements in 10-km time trial performance compared to the control group.
  • The rollers group achieved a greater improvement (20.4s) than the trainers group (12.8s).
  • No significant baseline differences were observed between the groups.

Conclusions:

  • Both cycling rollers and trainers are effective training devices for improving 10-km time trial performance.
  • Rollers appear to be more effective than trainers for enhancing 10-km time trial performance in trained cyclists.