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Ultrasound or Whole Body Vibration on Knee Motion and Function in CP

Comparative Study of Therapeutic Ultrasound and Whole-body Vibration as Adjuncts to Passive Stretching on Knee Joint Range of Motion and Functional Ability in Children With Hemiplegic Cerebral Palsy.

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07351292
Enrollment
60
Registered
2026-01-20
Start date
2025-03-06
Completion date
2025-08-12
Last updated
2026-01-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cerebral Palsy (CP)

Keywords

Ultrasound, whole-body vibration, knee range of motion, functional ability, children, hemiplegia, cerebral palsy

Brief summary

This study compared the efficacy of therapeutic ultrasound (US) and whole-body vibration (WBV) as adjuncts to a standardized passive stretching regimen on improving knee joint range of motion (ROM) and functional capacity in children with hemiplegic cerebral palsy (HCP).

Detailed description

Sixty children with HCP, aged 4-6 years, were randomly assigned to one of two groups. Both groups received passive stretching of the hamstrings and plantar flexors three times per week for twelve weeks. The control group (US group) received therapeutic ultrasound prior to stretching, while the research group (WBV group) performed exercises on a vibrating platform before stretching. Active knee extension ROM was measured with a digital goniometer, and functional ability was assessed using the Gross Motor Function Measure-88 (GMFM-88) at baseline and post-intervention.

Interventions

DEVICEultrasound

Received continuous ultrasound (1 MHz, 1.0 W/cm², 5 min per hamstring) using a Chattanooga Intelect Mobile 2 unit with a medium-sized transducer head and coupling gel

DEVICEwhole body vibration

Performed exercises on a Power Plate Pro 5 vibration platform. Parameters were set to a frequency of 20 Hz and a fixed amplitude of 2 mm (peak-to-peak displacement). The child maintained a semi-squat posture (approximately 30 knee flexion) for two 5-minute bouts separated by a 1-minute rest.

Sponsors

Cairo University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Investigator)

Masking description

Masking Description

Intervention model description

Model Description

Eligibility

Sex/Gender
ALL
Age
4 Years to 6 Years
Healthy volunteers
No

Inclusion criteria

* age from 4-6 years * knee flexion deformity due to hamstring tightness * Gross Motor Function Classification System (GMFCS) levels I or II * spasticity grade of 1 or 2 on the modified Ashworth Scale

Exclusion criteria

* other causes of knee flexion deformity * previous orthopedic knee surgery * significant visual, auditory, or perceptual deficits * uncontrolled seizures; or acute illness

Design outcomes

Primary

MeasureTime frameDescription
Active Knee Extension Range of Motion (ROM)12 weeksMeasured using an Absolute + Axis™ Digital Goniometer. With the child supine and pelvis stabilized, the goniometer axis was aligned with the lateral femoral condyle. The stationary arm was aligned with the greater trochanter, and the moving arm with the lateral malleolus. The child was instructed to actively extend the knee as far as possible, and the angle was recorded. Three measurements were taken, and the average was used for analysis
2. Gross Motor Function12 weeksAssessed using the Gross Motor Function Measure-88 (GMFM-88), a validated observational tool for children with CP. A blinded assessor, not involved in the intervention, scored the children's performance. The Gross Motor Functional Measurement-88 used to measure function. The GMFM is a standardized observational instrument designed and validated to measure change in gross motor function over time in children with cerebral palsy. The scoring key is meant to be a general guideline. However, most of the items have specific descriptors for each score. It is imperative that the guidelines contained in the manual be used for scoring each item. SCORING KEY 0 = does not initiate 1. = initiates 2. = partially completes 3. = completes

Countries

Egypt

Contacts

PRINCIPAL_INVESTIGATORmostafa S ali, PhD

associate professor for pediatrics

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026