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NCT01862393 Clinical Trial

Stimulus Phase Duration on Discomfort and Electrically Induced Torque of Quadriceps Femoris

Pain Perception Clinical Trial

Official title:
The Influence of Stimulus Phase Duration on Discomfort and Electrically Induced Torque of Quadriceps Femoris

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT01862393
Other study ID # CAAE - 0081.0.186.000-07
Secondary ID
Status Completed
Phase N/A
First received May 17, 2013
Last updated August 31, 2016
Start date August 2008
Est. completion date December 2008

Study information
Verified date August 2016
Source Universidade Cidade de Sao Paulo
Contact n/a
Is FDA regulated No
Health authority Brazil: National Committee of Ethics in Research
Study type Interventional

Clinical Trial Summary

This study aims to examine the variation in muscle torque and discomfort produced when electrically stimulating quadriceps femoris using pulsed current with three different phase durations in order to establish whether there are any advantages or disadvantages in varying the phase duration over the range examined.

Recruitment information / eligibility
Status Completed
Enrollment 38
Est. completion date December 2008
Est. primary completion date December 2008
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 18 Years to 35 Years
Eligibility Inclusion Criteria:

- sedentary healthy university students.

Exclusion Criteria:

- history of knee surgery or injury,

- musculoskeletal, cardiovascular or neurological disease including impaired sensation.

Study Design

Allocation: Randomized, Intervention Model: Crossover Assignment, Masking: Single Blind (Subject)

Related Conditions & MeSH terms

Intervention

Device:
• 400 microseconds
Neuromuscular electrical stimulation with stimulus phase duration of 400 microseconds
• 700 microseconds
Neuromuscular electrical stimulation with stimulus phase duration of 700 microseconds
• 1000 microseconds
Neuromuscular electrical stimulation with stimulus phase duration of 1000 microseconds

Locations
Country Name City State
Brazil Universidade Cidade de São Paulo Sao Paulo SP

Sponsors (1)
Lead Sponsor Collaborator
Universidade Cidade de Sao Paulo

Country where clinical trial is conducted

Brazil, 

Outcome
Type Measure Description Time frame Safety issue
Primary Torque Torque will be measured using an isokinetic dynamometer. Torque will be registered in Newton meter [N.m] During 4 seconds of electrical stimulation No
Secondary Discomfort Discomfort will be measured using a 10 cm visual analogue scale (VAS) ranging from zero (no discomfort) to 10 (worst discomfort imaginable). During 6 seconds of electrical stimulation No
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