Training to improve calf muscle strength and length in children with spastic paresis

Effect of Functional Power Training on Muscle Morphology and Strength of the Medial Gastrocnemius in Children With Spastic Paresis

Amsterdam UMC, location VUmc · NCT05649930

This study tests if a special training program can make calf muscles stronger and longer in children with spastic paresis to help them walk and run better.

Quick facts

Study typeObservational
Enrollment23 (estimated)
Ages4 Years to 18 Years
SexAll
SponsorAmsterdam UMC, location VUmc (other)
Locations1 site (Amsterdam)
Trial IDNCT05649930 on ClinicalTrials.gov

What this trial studies

This observational study focuses on children with spastic paresis, a condition often caused by cerebral palsy that affects muscle development and strength. It evaluates the effects of functional power training on calf muscle length and strength, utilizing 3D ultrasonography to assess changes. The training aims to enhance walking and running abilities, thereby improving participation in daily activities. The study is conducted in rehabilitation centers in the Netherlands, where children undergo a specific training regimen designed to strengthen their calf muscles.

Who should consider this trial

Good fit: Ideal candidates are children with spastic paresis classified as Gross Motor Function Classification System I-III who can follow instructions.

Not a fit: Patients who have received interventions like casting, botulinum toxin injections, or orthopedic surgery within the last six months may not benefit from this study.

Why it matters

Potential benefit: If successful, this training could significantly improve mobility and quality of life for children with spastic paresis.

How similar studies have performed: Previous studies have shown positive outcomes with functional power training in similar populations, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Gross Motor Function Classification System I-III
* Children should be able to lie on their stomach for min. one minute
* Children should be able to follow instructions.

Exclusion Criteria:

* Received (one of) the following interventions within six months:
* Casting
* Botulinum toxin type-A injections
* Orthopedic surgery.

Where this trial is running

Amsterdam

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Cerebral Palsy, Spastic, Medial gastrocnemius morphology, 3D ultrasonography, Functional power training

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.