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

Universidade Cidade de Sao Paulo

Status: Completed

Conditions: Torque; Pain Perception

Treatments: Device: 1000 microseconds; Device: 700 microseconds; Device: 400 microseconds

Study type: Interventional

Funder types: Other

Identifiers

NCT01862393

CAAE - 0081.0.186.000-07

Details and patient eligibility

About

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.

Enrollment: 38 patients

Sex: Female

Ages: 18 to 35 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• sedentary healthy university students.

Exclusion criteria

• history of knee surgery or injury,
• musculoskeletal, cardiovascular or neurological disease including impaired sensation.

Trial design

38 participants in 3 patient groups

400 microseconds

Experimental group

Description:

Electrically-induced torque generated with stimulus phase duration set at 400 microseconds.

Treatment:

Device: 400 microseconds

700 microseconds

Experimental group

Description:

Electrically-induced torque generated with stimulus phase duration set at 700 microseconds.

Treatment:

Device: 700 microseconds

1000 microseconds

Experimental group

Description:

Electrically-induced torque generated with stimulus phase duration set at 1000 microseconds.

Treatment:

Device: 1000 microseconds