Povedano E, Gallardo-Calero I, Navarrete M, Adillon C, Knorr J, Soldado F. Analysis of dynamic elbow flexion deformity in children with hemiplegic cerebral palsy.
Clin Biomech (Bristol, Avon) 2021;
81:105245. [PMID:
33302117 DOI:
10.1016/j.clinbiomech.2020.105245]
[Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/28/2020] [Accepted: 12/04/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND
Cerebral palsy affects 1 per 1.000 children, and in 83% of the cases upper extremity is involved. Dynamic elbow flexion deformity is a movement disorder observed in individuals with hemiparesis secondary to cerebral palsy. We sought to determine whether children with hemiplegic cerebral palsy exhibit dynamic elbow flexion deformity during daily activities and its influence to reaching function.
METHODS
Sixteen children with upper limb hemiparesis and cerebral palsy (age 11y 7mo (SD 3y 2mo); 11 boys, 5 girls; Gross Motor Function Classification System level I or II) were included in this observational descriptive study. Manual Ability Classification System, Children's Hand-use Experience Questionnaire and Shriners Hospital for Children Upper Extremity Evaluation were used to evaluate affected upper extremity function. Spasticity was assessed with Modified Ashworth scale. Involuntary elbow flexion was recorded in eight daily activities. Elbow motion during reach function was measured.
FINDINGS
Fifteen out of 16 individuals showed dynamic elbow flexion deformity. There was a significative increase of involved median elbow flexion in all the activities studied, except for "high speed stairs climbing" evaluation. Children's Hand-use Experience Questionnaire showed that children were independent in most of the daily activities (21 out of 29). Correlation between dynamic elbow flexion deformity and Shriners Hospital for Children Upper Extremity Evaluation was observed only in sitting-standing activity (Spearman's ρ 0.549, P = 0.028).
INTERPRETATION
Dynamic elbow flexion deformity is very common in hemiplegic cerebral palsy and occurs proportionally to the degree of the effort demanded by the activities. Despite of presenting this movement disorder, it does not affect in children participation in daily activities.
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