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

You might also read

Related Articles

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

Sort by
Same author

Incidence of injury and illness at the Paris 2024 Paralympic Games: post-pandemic trends and sport-specific risks.

British journal of sports medicine·2026
Same author

Menstrual Health and Sports Performance Research; Do We Need to Broaden Our Approach?

International journal of sports physiology and performance·2026
Same author

Tackle higher or lower? Simulation to evaluate how changing the tackle height would impact the number of concussions and head acceleration events in men's professional rugby league.

British journal of sports medicine·2026
Same author

Non-Communicable Disease, Metabolic and Lifestyle Risk Factor Profiles in South African University Students: A Latent Class Analysis.

Public health challenges·2026
Same author

Injury patterns in blind football: A cohort analysis from three Paralympic Games (London 2012, Rio 2016, Tokyo 2020).

Journal of science and medicine in sport·2026
Same author

Head acceleration in blind football players: A laboratory-based exploratory study.

Journal of science and medicine in sport·2026
Same journal

Corrigendum to "Kinematic effects of two therapeutic interventions for glenohumeral joint instability: A preliminary feasibility trial" [J. Electromyogr. Kinesiol. 88 (2026) 103147].

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same journal

Investigating the effects of conservative treatments on the flexion relaxation phenomenon for chronic low back pain: A systematic review.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same journal

Activation of the deep lumbar multifidus during common rehabilitation and resistance exercises.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same journal

Comprehensive RGBD-based shoulder kinematics using markerless anatomical landmarks detection and a 3D-printed acromial cluster during hand-cycling.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same journal

Variational mode decomposition based on refined composite multiscale dispersion entropy and its application in sEMG Denoising.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same journal

Does pain alter the spatial distribution of muscle activity in people experiencing spinal pain? A systematic review and meta-analysis.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
See all related articles

Related Experiment Video

Updated: Jun 2, 2026

Simultaneous Scalp Electroencephalography (EEG), Electromyography (EMG), and Whole-body Segmental Inertial Recording for Multi-modal Neural Decoding
11:25

Simultaneous Scalp Electroencephalography (EEG), Electromyography (EMG), and Whole-body Segmental Inertial Recording for Multi-modal Neural Decoding

Published on: July 26, 2013

Alternative methods of normalising EMG during running.

Yumna Albertus-Kajee1, Ross Tucker, Wayne Derman

  • 1UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, The University of Cape Town, Cape Town, South Africa. yumna.albertus@uct.ac.za

Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology
|May 3, 2011
PubMed
Summary
This summary is machine-generated.

Dynamic methods for normalizing electromyography (EMG) during running, specifically 70% Peak Running Speed (PRS), offer superior repeatability and sensitivity compared to maximal voluntary contraction (MVC) or sprint methods.

More Related Videos

A Real-Time Wearable Electromyography Measurement System for Small Animals
05:00

A Real-Time Wearable Electromyography Measurement System for Small Animals

Published on: November 15, 2024

Assessment of Neuromuscular Function Using Percutaneous Electrical Nerve Stimulation
07:53

Assessment of Neuromuscular Function Using Percutaneous Electrical Nerve Stimulation

Published on: September 13, 2015

Related Experiment Videos

Last Updated: Jun 2, 2026

Simultaneous Scalp Electroencephalography (EEG), Electromyography (EMG), and Whole-body Segmental Inertial Recording for Multi-modal Neural Decoding
11:25

Simultaneous Scalp Electroencephalography (EEG), Electromyography (EMG), and Whole-body Segmental Inertial Recording for Multi-modal Neural Decoding

Published on: July 26, 2013

A Real-Time Wearable Electromyography Measurement System for Small Animals
05:00

A Real-Time Wearable Electromyography Measurement System for Small Animals

Published on: November 15, 2024

Assessment of Neuromuscular Function Using Percutaneous Electrical Nerve Stimulation
07:53

Assessment of Neuromuscular Function Using Percutaneous Electrical Nerve Stimulation

Published on: September 13, 2015

Area of Science:

  • Biomechanics
  • Exercise Physiology
  • Sports Science

Background:

  • Electromyography (EMG) is crucial for understanding muscle activation during locomotion.
  • Accurate normalization of EMG data is essential for reliable analysis of running biomechanics.
  • Existing normalization methods, such as MVC and sprint, may not fully capture dynamic muscle responses during running.

Purpose of the Study:

  • To compare the repeatability, reliability, and sensitivity of different EMG normalization methods during running.
  • To evaluate the suitability of Maximal Voluntary Contraction (MVC), sprint, and 70% Peak Running Speed (PRS) methods for EMG normalization in runners.

Main Methods:

  • Twelve runners participated in three experimental sessions.
  • EMG data were collected during MVC, maximal sprints, a PRS test to exhaustion, and 70% PRS running.
  • Repeatability, reliability (Intraclass Correlation Coefficient - ICC), and sensitivity to incremental speeds were assessed.

Main Results:

  • MVC and sprint normalization methods showed good repeatability (average ICC > 0.80) for specific muscles (VM, BF, MG, RF, VL, LG).
  • The 70% PRS method exhibited poorer repeatability (ICC 0.27-0.70) but demonstrated the least intra-subject variability.
  • The 70% PRS method was most sensitive to changes in running speed, detecting significant muscle activity variations in the vastus medialis (VM).

Conclusions:

  • Dynamic EMG normalization methods, particularly 70% PRS, are more appropriate for running analysis.
  • These dynamic methods provide better repeatability, intra-subject reliability, and sensitivity to running speed variations.
  • 70% PRS normalization effectively captures changes in muscle activation during incremental running speeds, unlike static MVC or sprint methods.