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Kruse, A; Habersack, A; Weide, G; Jaspers, RT; Svehlik, M; Tilp, M.
Eight weeks of proprioceptive neuromuscular facilitation stretching and static stretching do not affect muscle-tendon properties, muscle strength, and joint function in children with spastic cerebral palsy.
Clin Biomech (Bristol). 2023; 107:106011 Doi: 10.1016/j.clinbiomech.2023.106011
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Co-authors Med Uni Graz: Habersack Andreas; Svehlik Martin
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Abstract:: BACKGROUND: While the effect of static stretching for individuals with cerebral palsy is questionable, recent results suggest that the combination with activation seems promising to improve muscle-tendon properties and function. Therefore, this study analyzed the effects of 8-week proprioceptive neuromuscular facilitation stretching on the gastrocnemius medialis muscle-tendon properties, muscle strength, and the ankle joint in children with spastic cerebral palsy in comparison to static stretching. METHODS: Initially, 24 children with spastic cerebral palsy were randomly assigned to a static stretching (10.7 ± 1.8 years) or proprioceptive neuromuscular facilitation stretching group (10.9 ± 2.6 years). Plantar flexors were manually stretched at home for 300 s and ∼ 250-270 s per day four times a week for eight weeks, respectively. Assessments of ankle joint function (e.g., range of motion), muscle-tendon properties, and isometric muscle strength were conducted using 3D motion capture, 2D ultrasound, dynamometry, and electromyography. A mixed analysis of variance was used for the statistical analysis. FINDINGS: Stretching adherence was high in the proprioceptive neuromuscular facilitation stretching (93.1%) and static stretching group (94.4%). No significant changes (p > 0.05) were observed in ankle joint function, muscle-tendon properties, and isometric muscle strength after both interventions. Moreover, no differences (p > 0.05) were found between the stretching techniques. INTERPRETATION: The findings support the idea that manual stretching (neither proprioceptive neuromuscular facilitation stretching nor static stretching) performed in isolation for eight weeks may not be appropriate to evoke significant changes in muscle-tendon properties, voluntary muscle strength, or joint function in children with spastic cerebral palsy. CLINICAL TRIAL REGISTRATION NUMBER: NCT04570358.
Find related publications in this database (using NLM MeSH Indexing): Humans - administration & dosage; Child - administration & dosage; Muscle Stretching Exercises - administration & dosage; Cerebral Palsy - administration & dosage; Tendons - administration & dosage; Muscle, Skeletal - physiology; Range of Motion, Articular - physiology; Muscle Strength - administration & dosage
Find related publications in this database (Keywords): Stretching; Spasticity; Plantar flexors; Achilles tendon; Children; Autogenic inhibition