Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Transmission Shafts: Problem Solving

Transmission Shafts: Problem Solving

Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...

Radian and Degree Measure

Radian and Degree Measure

Angular motion is measured using two primary units: degrees and radians. These units describe the extent of rotation around a fixed point. A complete rotation corresponds to 360 degrees or 2π radians, depending on the unit used. Although both represent the same angular displacement, they differ in origin and application.Degrees divide a circle into 360 equal segments. Due to its intuitive structure, this unit is historically rooted and widely used in general applications such as navigation,...

Taping Over Different Ground Profiles

Taping Over Different Ground Profiles

Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...

Eccentric Loading

Eccentric Loading

Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under load.

Elevation of Intermediate Points on Vertical Curves

Elevation of Intermediate Points on Vertical Curves

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...

Adjusting a Traverse

Adjusting a Traverse

In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...

You might also read

Related Articles

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

Sort by

Same author

Mountain biking injuries: fitting treatment to the causes.

The Physician and sportsmedicine·2010

Same author

Acute injuries in cross-country and downhill off-road bicycle racing.

Medicine and science in sports and exercise·1996

Same author

Acute injuries in off-road bicycle racing.

The American journal of sports medicine·1996

Same author

Off-road cycling injuries. An overview.

Sports medicine (Auckland, N.Z.)·1995

Search research articles

Related Experiment Video

Updated: Jun 16, 2026

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

Published on: September 21, 2017

How to fit a mountain bike.

¹San Jose State University, San Jose, CA, 95192, USA.

The Physician and Sportsmedicine

|January 21, 2010

Summary

Proper bike fit is crucial for cyclist comfort and injury prevention. Following expert-guided fitting procedures minimizes overuse injury risks associated with poorly adjusted bicycles.

Area of Science:

Biomechanics
Sports Medicine
Cycling Technology

Background:

A well-fitting bicycle is essential for rider comfort and injury prevention.
Incorrect bike size or adjustment significantly increases the risk of overuse injuries.
Proper bike fit requires understanding of anatomy and cycling mechanics.

Purpose of the Study:

To provide guidelines for adjusting a bicycle to achieve an optimal fit for the rider.
To emphasize the importance of professional assistance in the bike fitting process.
To offer a framework applicable to both mountain bikes and road bikes.

Main Methods:

Adherence to specific measurement and adjustment guidelines.
Involvement of an individual with expertise in anatomy and cycling.

Related Experiment Videos

Last Updated: Jun 16, 2026

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

Published on: September 21, 2017

Self-measurement limitations acknowledged, highlighting the need for assistance.

Main Results:

Establishing correct bike fit parameters enhances rider comfort.
Mitigating risks of developing overuse injuries through precise adjustments.
Guidelines facilitate a personalized and effective bike fitting experience.

Conclusions:

Correct bicycle fit is paramount for both comfort and injury prevention in cyclists.
Professional guidance is recommended for accurate bike fitting due to measurement complexities.
These fitting principles are broadly applicable to various bicycle types, including mountain and road bikes.