Volume 9, Issue 3 (10-2014)                   Salmand: Iranian Journal of Ageing 2014, 9(3): 197-205 | Back to browse issues page

XML Persian Abstract Print

Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

Hemayattalab R, Nikravan A, Bagherzadeh F, Sheikh M. Limb Weight Varying Effect on EMG Record of Simple and Discriminative Reaction Time in Elderly Men. Salmand: Iranian Journal of Ageing. 2014; 9 (3) :197-205
URL: http://salmandj.uswr.ac.ir/article-1-680-en.html
1- University of Semnan
2- University of Semnan, Semnan, Iran. , ahmad_namnik@ut.ac.ir
Abstract:   (3559 Views)

Objectives: The effect of variation in contraction force is one of the most important factors in the organization and execution of reaction time (RT) tasks that most of elderly people involved it when they became obese. The present experiment was designed to test the Effect of limb weight varying on pre-motor and motor components of simple and discriminative reaction time in elderly men.

Methods & Materials: Subjects (16 old men) were asked to perform forearm flexion to the aim point in 60 cm distance in response to auditory stimulus. The weight of involved limb increased (1.2 Kg) at 50 percent of trials and all trials were measured by electromyogram apparatus.

Results: The results of two way repeated measure test showed that the main effects of weight and stimulus on PMT was significant, but the effect of stimulus increasing on MT was not significant (P=0.189). There wasn't any significant interaction effects between limb weight and stimulus increasing on PMT (P=0.888) and MT (P=0.091).

Conclusion: These results suggested that the variables that cause to variation in limb inertia can affect RT movement of elderly people.

Full-Text [PDF 529 kb]   (1448 Downloads)    
Type of Study: Research | Subject: gerontology
Received: 2014/05/10 | Accepted: 2014/08/20 | Published: 2014/10/01

Add your comments about this article : Your username or Email:

Send email to the article author

© 2019 All Rights Reserved | Iranian Journal of Ageing

Designed & Developed by : Yektaweb