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

Relative Motion Analysis - Acceleration

Relative Motion Analysis - Acceleration

A slider-crank mechanism 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. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...

Relative Motion Analysis using Rotating Axes - Acceleration

Relative Motion Analysis using Rotating Axes - Acceleration

Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame. The absolute velocity of point B is determined by adding the absolute velocity of point A, the relative velocity of point B in the rotating frame, and the effects caused by the angular velocity within the rotating frame.
Time differentiation is...

Energy Diagrams - II

Energy Diagrams - II

Energy diagrams are important to understand the dynamics of a system. The topology of an energy diagram helps illustrate the equilibrium points of the system.
The point in the energy diagram at which the system’s potential energy is the lowest is known as the local minima. The system tends to stay in this position indefinitely unless acted upon by a net force. The slope of the potential energy diagram at the local minima is zero, indicating that zero net force is acting on the system. The slope...

Acceleration Vectors

Acceleration Vectors

In everyday conversation, accelerating means speeding up. Acceleration is a vector in the same direction as the change in velocity, Δv, therefore the greater the acceleration, the greater the change in velocity over a given time. Since velocity is a vector, it can change in magnitude, direction, or both. Thus acceleration is a change in speed or direction, or both. For example, if a runner traveling at 10 km/h due east slows to a stop, reverses direction, and continues their run at 10 km/h due...

You might also read

Related Articles

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

Sort by

Same author

Using a dynamic mass balance model to predict fate and transport of PCBs in a polluted boreal lake in Sweden.

The Science of the total environment·2022

Same author

Antioxidant-rich foods and response to altitude training: A randomized controlled trial in elite endurance athletes.

Scandinavian journal of medicine & science in sports·2018

Same author

Upper body heavy strength training does not affect performance in junior female cross-country skiers.

Scandinavian journal of medicine & science in sports·2015

Same author

Elite cross-country skiers do not reach their running VO2max during roller ski skating.

The Journal of sports medicine and physical fitness·2014

Same author

Metabolic and mechanical involvement of arms and legs in simulated double pole skiing.

Scandinavian journal of medicine & science in sports·2013

Same author

Effects of 12 weeks of block periodization on performance and performance indices in well-trained cyclists.

Scandinavian journal of medicine & science in sports·2012

Search research articles

Related Experiment Video

Updated: May 8, 2026

Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults

Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults

Published on: May 12, 2016

Differences in V1 and V2 ski skating techniques described by accelerometers.

H Myklebust¹, T Losnegard, J Hallén

¹Norwegian Research Centre for Training and Performance, Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway.

Scandinavian Journal of Medicine & Science in Sports

|August 21, 2013

Summary

Skiers

Keywords:

biomechanics cross-country skiing cyclic movements inertial sensors reproducibility

More Related Videos

Video Movement Analysis Using Smartphones (ViMAS): A Pilot Study

Video Movement Analysis Using Smartphones (ViMAS): A Pilot Study

Published on: March 14, 2017

Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption

Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption

Published on: June 20, 2025

Related Experiment Videos

Last Updated: May 8, 2026

Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults

Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults

Published on: May 12, 2016

Video Movement Analysis Using Smartphones (ViMAS): A Pilot Study

Video Movement Analysis Using Smartphones (ViMAS): A Pilot Study

Published on: March 14, 2017

Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption

Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption

Published on: June 20, 2025

Area of Science:

Biomechanics
Sports Science
Motor Control

Background:

Ski skating techniques V1 and V2 differ in movement patterns.
Understanding these differences is crucial for performance optimization.
Reproducibility of hip movements in elite skiers requires further investigation.

Purpose of the Study:

To differentiate between V1 and V2 ski skating techniques.
To assess the reproducibility of hip movements during these techniques.
To explore the use of accelerometers for technique analysis.

Main Methods:

Fourteen elite male cross-country skiers performed V1 and V2 techniques on rollerskis.
Triaxial accelerometers measured hip, pole, and ski boot movements.
Data were analyzed for acceleration patterns, displacement, and temporal characteristics over multiple trials and time points.

Main Results:

Distinct acceleration patterns were observed between V1 and V2 techniques.
High correlation coefficients (0.6-0.9) indicated good reproducibility of hip movements.
V2 technique involved hip lowering, while V1 involved hip elevation during pole thrust.

Conclusions:

The V2 technique shares similarities with double poling in energy transfer.
Elite skiers demonstrate consistent individual technique patterns.
An accelerometer can differentiate ski skating techniques and aid in training feedback.