Effect of Knack Pelvic Floor Contraction on Sexual Dysfunction
NCT ID: NCT07145216
Last Updated: 2025-08-28
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
NA
40 participants
INTERVENTIONAL
2025-09-01
2026-01-30
Brief Summary
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Detailed Description
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Physiotherapy treatments for female SUI include PFMT such as knack maneuver, biofeedback, electrical stimulation, core stabilization, diet modifications, and behavioral therapy.
The knack is a simple, quick exercise technique that improves bladder control and increases PFM strength; it increases the urethral closure pressure, improves bladder stabilization and increases the structural support during PFM contraction. A previous study compared the knack effect on SUI using different methods like EMG biofeedback, verbal instructions, and vaginal palpation. It was found to have a positive impact on urinary symptoms, regardless of the teaching methods. Another previous study investigated the knack effect on vaginal laxity and found that it improved PFM contraction and sexual function and reduced vaginal laxity.
Up to now, no study has investigated the effect of the knack maneuver on female SUI associated with sexual problems, so this study will be the first one on this issue; therefore this study will be of valuable benefits and increase the knowledge of the physical therapist and health care provider in the women's health field.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Interferential stimulation
It will include 20 participants suffering from SUI associated with sexual dysfunction who will receive interferential stimulation for 20 minutes, 3 days per week for 8 weeks.
Interfrential stimulation
The participant will be positioned in semi-Fowler's position. Interferential therapy was given using the quadripolar method. Two electrodes were placed on the lower abdomen just above the outer half of the inguinal ligament, and another two on the inner aspect of the thigh near the origin of the adductor muscle. At the first treatment session, every participant will be examined for pelvic floor contraction by the finger palpation method using sterilized gloves to ensure the correct position of the electrodes. It will be set with intensity up to the tolerable limit of subjects, carrier frequency of 2000Hz, vector 900, rhythmic sweep frequency of 10-100Hz, and duration 20 minutes. Interferential therapy will be applied for the treatment procedure of all women in both groups for 20 minutes, 3days per week for 8 weeks.
Interferential stimulation + Knack pelvic floor exercise
It will include 20 participants suffering from SUI with sexual dysfunction who will receive interferential stimulation for 20 minutes in addition to the knack maneuver for 15 minutes, 3 days per week for 8 weeks.
Interfrential stimulation
The participant will be positioned in semi-Fowler's position. Interferential therapy was given using the quadripolar method. Two electrodes were placed on the lower abdomen just above the outer half of the inguinal ligament, and another two on the inner aspect of the thigh near the origin of the adductor muscle. At the first treatment session, every participant will be examined for pelvic floor contraction by the finger palpation method using sterilized gloves to ensure the correct position of the electrodes. It will be set with intensity up to the tolerable limit of subjects, carrier frequency of 2000Hz, vector 900, rhythmic sweep frequency of 10-100Hz, and duration 20 minutes. Interferential therapy will be applied for the treatment procedure of all women in both groups for 20 minutes, 3days per week for 8 weeks.
Knack pelvic floor training
The knack technique (Fitz et al., 2021):
* The patient will be instructed to lie in supine lying position with flexed knees.
* Ask the patient to contract the pelvic floor muscles for 2-4 seconds and relax for 4 seconds for 15 repetitions with 3 sets before and during coughing or sneezing .
* Contract the PFM before and during all daily activities involving effort, before and during coughing, sneezing, laughing, walking up and down stairs, jumping, running, bending, lifting a weight from the floor, holding a child, pushing furniture to prevent urine leakage.
* Contract PFM and hold for 2-4 seconds, relax 4 seconds, with 3 sets of 15 repetitions.
Interventions
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Interfrential stimulation
The participant will be positioned in semi-Fowler's position. Interferential therapy was given using the quadripolar method. Two electrodes were placed on the lower abdomen just above the outer half of the inguinal ligament, and another two on the inner aspect of the thigh near the origin of the adductor muscle. At the first treatment session, every participant will be examined for pelvic floor contraction by the finger palpation method using sterilized gloves to ensure the correct position of the electrodes. It will be set with intensity up to the tolerable limit of subjects, carrier frequency of 2000Hz, vector 900, rhythmic sweep frequency of 10-100Hz, and duration 20 minutes. Interferential therapy will be applied for the treatment procedure of all women in both groups for 20 minutes, 3days per week for 8 weeks.
Knack pelvic floor training
The knack technique (Fitz et al., 2021):
* The patient will be instructed to lie in supine lying position with flexed knees.
* Ask the patient to contract the pelvic floor muscles for 2-4 seconds and relax for 4 seconds for 15 repetitions with 3 sets before and during coughing or sneezing .
* Contract the PFM before and during all daily activities involving effort, before and during coughing, sneezing, laughing, walking up and down stairs, jumping, running, bending, lifting a weight from the floor, holding a child, pushing furniture to prevent urine leakage.
* Contract PFM and hold for 2-4 seconds, relax 4 seconds, with 3 sets of 15 repetitions.
Eligibility Criteria
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Inclusion Criteria
2. Their ages will range from 25 to 45 years old.
3. Their body mass index (BMI) will be less than 30 kg/m2.
4. They are multiparous women.
5. Females complain of sexual disorders related to SUI, identified by an FSFI score of less than 28.1
6. They have a sedentary lifestyle.
Exclusion Criteria
2. Other types of urinary incontinence, such as urge urinary incontinence and mixed urinary incontinence.
3. Other neurological diseases such as myasthenia gravis and Parkinsonism.
4. History of pelvic fractures.
5. Menopausal women.
6. Females with pelvic organ prolapse (POP).
25 Years
45 Years
FEMALE
No
Sponsors
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Cairo University
OTHER
Responsible Party
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Wafaa Ibrahim Hussein
Principal investigator
Principal Investigators
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Doaa A. Osman, PHD
Role: STUDY_CHAIR
Department of Women's Health, Faculty of Physical Therapy, Cairo University
Locations
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Faculty of Physical Therapy
Giza, , Egypt
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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P.T.REC/012/005672
Identifier Type: -
Identifier Source: org_study_id
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