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ORIGINAL ARTICLE
Year : 2021  |  Volume : 15  |  Issue : 2  |  Page : 74-80

Sagittal plane gait analysis in children with cerebral palsy spastic diplegia with crouch gait: A retrospective observational study


Department of Physiotherapy, All India Institute of Physical Medicine and Rehabilitation, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Sneha Saravanakumar
13-302, Sector 7, C G S Colony, Antophill, Mumbai - 400 037, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/pjiap.pjiap_59_20

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PURPOSE: The purpose of this study was to understand the pathomechanics of crouch gait by analyzing sagittal plane kinematics and kinetics of gait in children with spastic diplegia. RELEVANCE: This study would be instrumental in planning treatment strategy considering kinematics and kinetics. PARTICIPANTS: Twenty-six children with cerebral palsy spastic diplegia (Gross motor function classification system [GMFCS] level 2) with crouch had undergone gait analysis during the period January 2015–December 2016, of which 14 children were included in the study after excluding 12 children due to noncompliance of inclusion/exclusion criteria and missing technical data. The mean age of the population was 12.29 ± 1.94 years. METHODOLOGY: This study being a retrospective study, waiver of consent was obtained from the ethics committee. Sagittal plane kinematic and kinetic data of bilateral hip, knee, and ankle were extracted from the gait laboratory. Mean and standard deviation was calculated for cadence, stance, and swing period percentage of the gait cycle of each limb. Graphical representation of mean was done to describe the phases of the gait cycle. A normative gait cycle graph was used as a reference, and deviations were analyzed. RESULTS AND CONCLUSION: Ankle, knee, and hip remained in excessive flexion throughout the gait cycle. Excursion at all joints was reduced, especially at the knee joint throughout the gait cycle. Extension moment and abnormal power generation and absorption were observed at all joints throughout the stance phase to prevent collapse and sustain erect posture. Hence, the functional objectives of limb stability in the sagittal plane were fulfilled. This further helped in accomplishing the task of weight acceptance and single stance in the stance phase. In the swing phase, all joints were in excessive flexion, however, the task of limb advancement was accomplished


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