Normalized maximal rate of torque development during voluntary and stimulated static contraction in human tibialis anterior: Influence of age.

Experimental Gerontology
M CogliatiF Negro

Abstract

The risk of falling in older adults has been related, among other factors, to the reduction of the rate of torque development (RTD) with age. It is well known that both structural/peripheral and neural factors can influence the RTD. The purpose of this study was to compare the normalized RTD in young and older participants obtained during a) rapid voluntary tension production and b) neuromuscular electrical stimulation. The tibialis anterior of 19 young subjects (10 males and 9 females; age 21-33 years old) and 19 older participants (10 males and 9 females; age 65-80 years old) was studied. The subjects performed a series of maximal isometric explosive dorsiflexions and underwent trains of supra-maximal electrical stimulations (35 Hz) on the tibialis anterior motor point. Muscle shortening was indirectly measured using a laser (surface mechanomyogram, MMG). Both torque and MMG were normalized to their maximum value. Using a 20 ms sliding window on the normalized torque signal, the normalized maximum RTD was calculated for both voluntary and stimulated contractions. Active stiffness of the muscle- tendon unit was calculated as the area of the normalized torque with respect to the normalized MMG. Normalized maximum RTD was found ...Continue Reading

References

Aug 1, 1966·Psychological Reports·J J Bartko
Oct 1, 1967·The American Journal of Physiology·R J Baskin, P J Paolini
Dec 1, 1983·Journal of Neurophysiology·F BellemareB Bigland-Ritchie
Sep 29, 1994·The New England Journal of Medicine·M E TinettiR I Horwitz
Mar 31, 1999·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·C OrizioA Veicsteinas
Apr 18, 2000·Journal of Biomechanics·C OrizioA Veicsteinas
Feb 24, 2001·European Journal of Applied Physiology·K KuboT Fukunaga
Oct 17, 2002·Journal of Applied Physiology·Yasuhide YoshitakeToshio Moritani
Feb 1, 2003·European Journal of Applied Physiology·Claudio OrizioMoshe Solomonow
Apr 30, 2005·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Marjolein VisserTamara B Harris
Oct 14, 2005·European Journal of Applied Physiology·Norihiro ShimaKyonosuke Yabe
Mar 15, 2006·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Rositsa RaikovaPiotr Krutki
Apr 8, 2006·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·C OrizioM Solomonow
Jan 16, 2007·European Journal of Applied Physiology·Andreas HoltermannGertjan Ettema
May 23, 2007·Practical Neurology·N C VoermansB R Bloem
Aug 29, 2007·Journal of Aging and Physical Activity·Florian BrunnerVictor Frankel
Jul 9, 2008·Disability and Rehabilitation·Marco V NariciConstantinos N Maganaris
May 22, 2010·Scandinavian Journal of Medicine & Science in Sports·P AagaardM Kjaer
Jun 11, 2010·European Journal of Applied Physiology·Keitaro KuboNaoya Tsunoda
Sep 15, 2010·Journal of Strength and Conditioning Research·Luisa PizzigalliAlberto Rainoldi
Mar 18, 2011·Geriatrics & Gerontology International·Ji-Won KimByung Kyu Park
Mar 5, 2013·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Anett Mau-MoellerSven Bruhn
Sep 27, 2014·Journal of Strength and Conditioning Research·G Gregory HaffPrue Cormie
Dec 17, 2014·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Ricci Hannah, Jonathan P Folland
May 4, 2015·Journal of Biomechanics·Keitaro KuboNaoya Tsunoda
Mar 5, 2016·European Journal of Applied Physiology·Nicola A MaffiulettiJacques Duchateau
May 24, 2016·Journal of Sports Sciences·Keitaro KuboNaoya Tsunoda
Nov 10, 2016·Journal of Clinical Medicine·Anastasia BougeaEvangelia Kararizou
Nov 12, 2016·Ageing Research Reviews·Nathalie M C W Oomen, Jaap H van Dieën
Nov 11, 2017·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Tiril TøienEivind Wang
Dec 22, 2017·Clinical Physiology and Functional Imaging·David Rodríguez-RosellJuan José González-Badillo
Mar 24, 2018·Journal of Cachexia, Sarcopenia and Muscle·Yusuke OsawaLuigi Ferrucci

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Related Papers

Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology
V Cossich, N A Maffiuletti
Medicine and Science in Sports and Exercise
Gena R GerstnerEric D Ryan
© 2022 Meta ULC. All rights reserved