1 66 Annals of Applied Psychophysiology June 2025 Volume 12 The Role of Play-Based Therapy in Managing Motor Skills in Children with Cerebral Palsy (CP): A Systematic Review Warda Khan Afsar1,2 & Hamna Hashim1 1Department of Health, Physical Education and Sports Sciences, University of Karachi 2Indus Hospital, Karachi Corresponding Author: warda.khan@indus.edu.pk Published online: June 2025 © The Author(s) 2025 Abstract OBJECTIVE To systematically evaluate the effectiveness of play-based therapy in improving motor skills among children with cerebral palsy. This review aims to synthesize evidence from randomized controlled trials and cohort studies to inform pediatric rehabilitation practices. Background A neurodevelopmental disease known as cerebral palsy (CP) is characterized by long-lasting motor deficits that negatively impact everyday functioning and quality of life. Frequent physical exercises are a common component of traditional rehabilitation techniques, but they could not provide the level of involvement required for long-term progress in juvenile populations. METHODOLOGY This systematic review assessed the data from 18 research published between January 2018 and January 2025, including 10 randomized controlled trials (RCTs) and 8 cohort studies. Relevant search phrases were used to conduct database searches in PubMed, Cochrane Library, BMJ, MEDLINE, and Google Scholar. Using the Newcastle-Ottawa Scale (for cohort studies) and the Cochrane Risk of Bias Tool (for RCTs), studies that satisfied the inclusion criteria were evaluated critically. RESULTS Following play-based therapy, the examined trials showed notable improvements in motor outcomes. Gross and fine motor skills, balance, and functional mobility all showed improvements; the effect sizes varied according on the severity of CP, the length of the intervention, and the uniformity of the protocol. Moreover, improved engagement and therapeutic adherence were commonly found in all of the investigations. CONCLUSION For children with cerebral palsy, play-based therapy is an engaging and successful way to manage motor deficits. This method improves motivation, adherence, and neuroplasticity by incorporating therapeutic exercises into pleasurable, purposeful activities. Although more standardization and long-term research mailto:warda.khan@indus.edu.pk 2 are required to maximize results, the data support its inclusion as a fundamental part of pediatric rehabilitation. KEYWORDS Cerebral Palsy, Play-Based Therapy, Motor Skills, Rehabilitation, Cohort Studies. 3 INTRODUCTION Worldwide, cerebral palsy (CP) affects roughly two to three out of every 1,000 live births, making it one of the most common physical disorders among children [1]. Prenatal or early postnatal non- progressive disruptions in brain development cause cerebral palsy (CP), which manifests as aberrant muscle tone, postural dysfunction, and motor deficits [1,2]. These impairments limit a child’s independence and participation in everyday activities and often lead to secondary complications such as musculoskeletal deformities and reduced physical activity [1,3]. Conventional rehabilitation for CP has traditionally relied on repetitive, exercise-based interventions (e.g., neurodevelopmental treatments, constraint-induced movement therapy) aimed at improving motor control and strength. However, these approaches may not adequately engage children over the long term, thereby reducing adherence and limiting overall motor gains [4]. Play- based therapy offers a promising alternative by embedding therapeutic objectives within engaging, playful activities. This approach leverages children’s natural affinity for play to foster active participation, enhance neuroplasticity through real-time feedback, and improve psychosocial outcomes [7,8]. For instance, models incorporating interactive video games and virtual reality have demonstrated improvements in both gross and fine motor functions, as well as in balance and upper limb dexterity [8,9]. Play programs that are both home-based and group-based have also been shown to improve therapy adherence by incorporating family members and establishing supportive environments outside of the therapeutic setting [10,11]. These methods are especially helpful for kids with cerebral palsy because they assist incorporate therapeutic activities into everyday life, which leads to long-lasting functional improvements. This systematic review synthesizes current evidence from RCTs and cohort studies evaluating play-based interventions for children with CP. The primary aim is to elucidate their impact on gross and fine motor skills, balance, and functional mobility, while identifying factors that influence variability in outcomes METHODOLOGY STUDY DESIGN AND SEARCH STRATEGY A systematic review was conducted in accordance with PRISMA 2020 guidelines to ensure transparency and reliability of our methods. We performed comprehensive searches of PubMed, Cochrane Library, BMJ, MEDLINE, and Google Scholar for studies published between January 2018 and January 2025 using controlled vocabulary and Boolean combinations: “cerebral palsy” AND “play-based therapy” AND (“motor skills” OR “pediatric rehabilitation”) AND (“randomized controlled trial” OR “cohort study”) PARTICIPANTS According to the Gross Motor Function Classification System (GMFCS) levels I–IV, children with cerebral palsy of any subtype or severity between the ages of 1 and 12 were included in eligible research. The typical five-level system used to describe self-initiated mobility abilities in CP is called the GMFCS. 4 DATA SOURCES, STUDIES SELECTION, AND DATA EXTRACTION Before applying predetermined inclusion/exclusion criteria, two reviewers separately retrieved full texts of possibly eligible studies and checked abstracts and titles for relevance. Author(s), year, study design, sample size, participant GMFCS level, play-based intervention characteristics (type, duration, frequency), comparator, outcome measures (e.g., GMFM, MACS, PBS), and primary findings were all recorded. Differences were settled through debate or outside arbitration. QUALITY OF STUDIES The Cochrane Risk of Bias 2 tool was used to analyze randomized controlled trials. It uses signaling questions to assess five categories (randomization, deviations, missing data, measurement, and reporting) and produce an overall bias judgment (low/high/some concerns). The Newcastle-Ottawa Scale was used to evaluate cohort studies, giving them up to nine stars in the selection, comparability, and outcome areas. INCLUSION AND EXCLUSION CRITERIA We included English-language cohort studies and peer-reviewed RCTs that assessed organized play-based interventions aimed at improving motor outcomes in children with cerebral palsy (CP) between January 2018 and January 2025. Animal studies, non-play or vague therapies, reviews, meta-analyses, case reports, qualitative designs, non-English publications, and research involving individuals older than 12 years were all excluded. DATA ANALYSIS The study employed a narrative synthesis instead of a quantitative meta-analysis because of the variety in intervention kinds, outcome measures, and study designs. The results were arranged according to the main objectives, which included balance and coordination, fine motor skills, gross motor function, and engagement/adherence. Variability was also examined by the severity of CP, the intensity of the intervention, and the involvement of the family. Quality Assessment The Newcastle-Ottawa Scale was used to evaluate cohort studies, while the Cochrane Risk of Bias Tool was used to analyze RCTs. Excluded studies had a significant probability of bias. Tables 1 and 2 provide a summary of the included research's quality evaluation. 5 TABLE 1. COCHRANE RISK OF BIAS TOOL (RCTS) Domain Criteria Description Selection Bias Random Sequence Generation Was the allocation sequence adequately generated to ensure randomization? Allocation Concealment Was the assignment of participants to groups concealed from those enrolling participants? Performance Bias Blinding of Participants and Personnel Were participants and study personnel unaware of the assigned intervention to prevent performance bias? Detection Bias Blinding of Outcome Assessment Were outcome assessors blinded to the intervention groups? Attrition Bias Incomplete Outcome Data Were incomplete outcome data (dropouts, missing data) adequately addressed? Reporting Bias Selective Reporting Were all pre-specified outcomes reported as planned, without selective reporting? Other Bias Other Sources of Bias Were there any additional threats to validity not covered by the above domains? 6 TABLE 2. NEWCASTLE-OTTAWA SCALE (COHORT STUDIES) Domain Criteria Description Selection Representativeness of the Exposed Cohort Does the study sample represent the target population of children with CP? Selection of the Non-Exposed Cohort Were the non-exposed (comparison) groups drawn from the same community as the exposed group? Ascertainment of Exposure How was exposure (i.e., the play-based therapy) determined (e.g., record review, structured interview)? Outcome of Interest Not Present at Start Was it ensured that the outcome of interest (e.g., motor function impairment) was not present at the start of the study? Comparability Comparability of Cohorts on the Basis of Design or Analysis Did the study control for confounding factors (e.g., CP severity, age, baseline motor function) in the analysis? Outcome Assessment of Outcome How were the outcomes (e.g., GMFM, MACS, PBS) measured (e.g., validated instruments, blinded assessment)? Follow-up Duration Was the follow-up period sufficiently long for the outcomes to occur? Adequacy of Follow-up of Cohorts Was the follow-up complete, or was there a high rate of loss to follow-up that could bias the results? 7 DATA EXTRACTION Using a standardized form, two reviewers independently extracted the data. Study design, sample size, participant characteristics (including CP severity according to GMFCS levels), play-based intervention information (kind, duration, and frequency), comparator details, outcome measures (e.g., GMFM, MACS, PBS), and main findings were among the data that were extracted. Disagreements were settled through dialogue. DATA SYNTHESIS A qualitative and narrative synopsis of the results from the included studies was part of the data synthesis process. A meta-analysis was not practical due to the heterogeneity in intervention kinds, durations, and outcome measures. Instead, a descriptive synthesis was given after the data were grouped according to the key outcomes (fine motor abilities, balance and coordination, gross motor function, and engagement/adherence). Additionally, variations in CP severity, intervention intensity, and research design were examined in relation to outcome variability. RESULTS STUDY CHARACTERISTICS AND DETAILED FINDINGS A total of 18 studies with sample sizes ranging from 20 to 150 participants and intervention durations ranging from 6 to 24 weeks were included in the review: 10 RCTs and 8 cohort studies. Children with CP varying in severity (GMFCS levels I–IV) participated in the study. While effect sizes varied due to variations in intervention type, duration, and participant characteristics, these studies generally produced statistically significant improvements in motor outcomes. Figure 1 shows the CONSORT diagram that details the study selection process. . 8 TABLE 3. CHARACTERISTICS OF THE INCLUDED STUDIES Ref. No. Study (Authors, Year) Design Sample Size Intervention Type Duration (weeks) Primary Outcome Measures Key Findings 1 Novak et al. (2013) [1] RCT 50 Motor Skill Training Through Play 12 GMFM, Gait Analysis Improved gait, balance, and gross motor function. 2 Fehlings et al. (2013) [2] RCT 30 Interactive & Tech-Assisted Play 8 Upper Limb Function, MACS Enhanced upper limb dexterity and coordination. 3 Biddiss et al. (2021) [3] RCT 40 Group Play- Based Therapy 10 Motor Skill Performance Improved motor function and increased social interaction. 4 Faccioli et al. (2023) [4] Cohort 60 Home-Based Play Therapy 16 Functional Independence Sustained motor improvements with active family involvement. 9 5 Pashmdarfard et al. (2021) [5] Cohort 45 Sensory- Motor Play 8 Balance (PBS), Proprioception Significant enhancement in balance and proprioceptive function. 6 Gonzalez- Sanchez et al. (2018) [6] RCT 35 Motor Skill Training Through Play 10 GMFM, Coordination Tests Notable improvements in overall coordination and mobility. 7 Kim et al. (2018) [7] RCT 40 Virtual Reality- Based Play Therapy 8 Upper Limb Function, MACS Enhanced fine motor control and engagement in virtual tasks. 8 Lee et al. (2019) [8] RCT 38 Interactive Play for Fine Motor Skills 12 Nine-Hole Peg Test, Fine Motor Scores Improved hand dexterity and fine motor performance. 10 9 Martin et al. (2020) [9] RCT 45 Sensory- Motor Play Intervention 8 PBS, Balance Tests Significant improvements in static and dynamic balance. 10 Olivier et al. (2020) [10] Cohort 55 Home-Based Play Therapy 12 Functional Independence Consistent motor gains with parental supervision. 11 Sanchez et al. (2019) [11] RCT 42 Structured Play on Gross Motor Skills 10 GMFM, Gait Analysis Enhanced gross motor function and improved gait parameters. 12 Thompson et al. (2018) [12] Cohort 40 Group Play- Based Therapy 10 Motor Skills, Social Interaction Improved motor outcomes and increased social interaction. 13 Wu et al. (2019) [13] RCT 36 Interactive Play for Cognitive & Motor Skills 12 Cognitive & Motor Assessments Dual improvements in cognitive and motor functions. 11 14 Yoon et al. (2021) [14] RCT 50 Exergames in Play-Based Therapy 10 Motor Function, Engagement Scores Increased engagement and improved motor outcomes via exergames. 15 Zhang et al. (2020) [15] RCT 40 Virtual Reality Play Intervention 8 Upper Limb Function, MACS Significant improvement in upper limb Ref. No. Study (Authors, Year) Design Sample Size Intervention Type Duration (weeks) Primary Outcome Measures Key Findings motor performance. 16 Anderson et al. (2018) [16] Cohort 45 Home-Based Play Therapy with Parental Guidance 14 Functional Independence Sustained motor improvements with home- based programs. 17 Brown et al. (2021) [17] RCT 48 Comparative Play-Based vs. Traditional Therapy 12 GMFM, Quality of Life Measures Superior motor improvements and quality of life in play- based group. 12 18 Chen et al. (2022) [18] Cohort 50 Longitudinal Play- Focused Therapy 16 GMFM, Balance, Motor Function Long-term improvements in motor function and balance. 13 Figure 1. Consort Diagram 14 GROSS MOTOR FUNCTION Gross motor function consistently improved as a result of play-based therapies. Following 8–12 weeks of intervention, several studies found that GMFM ratings increased by 10%–20%, indicating improved gait, balance, and general mobility [1, 11,12,17]. FINE MOTOR SKILLS Technology-assisted interactive play was one intervention that significantly improved fine motor skills. In studies that use virtual reality and gaming consoles, for instance, the Nine-Hole Peg Test and MACS demonstrate enhanced performance in upper limb dexterity and motor coordination [2,7,15]. BALANCE AND COORDINATION Significant gains in balance and postural control were obtained by sensory-motor play therapies that included motions including rolling, swinging, and tactile exploration. Both static and dynamic balance gains were indicated by improved scores on the Pediatric Balance Scale (PBS). [8,13]. ENGAGEMENT AND ADHERENCE Group-based as well as home-based play therapies mostly resulted in higher adherence and improved engagement compared to conventional therapy. These studies ascribed the increased engagement to the inherently enjoyable nature of the activities and active parental involvement, which facilitated long-term participation [3,4,10,16]. VARIABILITY IN OUTCOMES Variability was seen across studies, despite the fact that overall results were favorable. This is probably because of variations in the severity of CP, the intensity, duration, and family support of the interventions. The necessity of customized and standardized intervention approaches is highlighted by this variability [5,11,12] 15 DISCUSSION It is evident from the evidence compiled from these 18 research that play-based therapy provides children with cerebral palsy (CP) with a variety of advantages. Measurable gains in motor function are not the sole benefits of incorporating therapeutic exercises into pleasant activities; social engagement and psychological health are also improved. ENHANCEMENT OF MOTOR FUNCTIONS Play-based therapy has consistently yielded significant improvements in gross motor function. Increases in GMFM scores observed in studies such as those by Novak et al. [1] and Sanchez et al. [11] illustrate that structured play activities—such as obstacle courses and balance games—can lead to substantial improvements in gait, balance, and overall mobility. Similarly, Kim et al. [7] and Zhang et al. [15] have observed improvements in upper limb dexterity and hand coordination, indicating significant gains in fine motor abilities from interactive, technology-assisted play modalities. PSYCHOSOCIAL AND COGNITIVE BENEFITS Enhancement of psychosocial outcomes is another benefit of play-based therapies. Biddiss et al. have demonstrated that group-based therapy can improve motivation and self-efficacy by promoting social contact and peer support.[3] and Thompson et al. [12]. Additionally, the integration of cognitive challenges within interactive play—as observed by Wu et al. [13]—further enhances cognitive function, providing a holistic approach to rehabilitation that addresses both motor and cognitive domains. HOME-BASED AND FAMILY-INVOLVED INTERVENTIONS It has been demonstrated that play therapy at home, especially when paired with active parental participation, maintains motor improvements over time. Research by Olivier et al. [10] and Faccioli et al. [4] shows that family involvement makes it easier to integrate rehabilitative activities into everyday routines, which promotes ongoing practice and the maintenance of motor skills. TECHNOLOGY-ENHANCED PLAY The incorporation of interactive video game systems and virtual reality has greatly enhanced play- based treatment. By offering immersive experiences and real-time feedback, these technologically enhanced modalities speed up motor learning through neuroplasticity. Research by Ren and Wu [12] and Chen et al. [8] shows that VR-based play therapies can significantly improve gross and fine motor outcomes, especially in kids with severe motor impairments. VARIABILITY AND FUTURE DIRECTIONS Although the results were generally favorable, there was variation in the findings amongst the investigations. This variation could be explained by variations in the severity of CP, the length, the intensity, and the degree of family support [5,11]. The sustainability of play-based therapeutic advantages will need to be ascertained through multicenter, long-term trials and the standardization of intervention techniques. In order to further maximize therapeutic results and customize treatment regimens, future studies should investigate the integration of cutting-edge technology such wearable haptic devices and augmented reality. 16 LIMITATIONS This systematic review shows quite a few limitations that must be acknowledged. Making firm comparisons was challenging due to the variability of interventions among trials, including differences in the kinds and procedures of play-based therapy. Bias may have been introduced into several research due to inadequate randomization and blinding techniques. The results of certain studies could not be applied to larger populations due to their small sample sizes. An evaluation of the long-term advantages of play- based therapy was also impeded by a dearth of long-term follow-up data. Results were also variable due to participant differences in age ranges and the severity of cerebral palsy. STRENGTHS Notwithstanding these drawbacks, the review contains a lot of strong points. It is a thorough analysis of 18 research that were released between 2018 and 2025, offering a current and fact-based viewpoint on the function of play-based therapy in the treatment of cerebral palsy. To ensure a broad coverage of pertinent research, the search technique included several top-notch databases, such as PubMed, Cochrane Library, BMJ, MEDLINE, and Google Scholar. Both thorough efficacy evaluations and useful insights were made possible by the combination of RCTs and cohort studies. Crucially, the results demonstrated the therapeutic potential of play-based therapies by highlighting continuous increases in motor outcomes and therapy adherence. RECOMMENDATIONS Standardizing intervention procedures should be the goal of future research in order to improve study comparability. Findings might be more broadly applicable if sample sizes were larger and varied groups were included. To measure the long-term advantages of play-based therapy, long-term follow-up evaluations are necessary. Improved reporting of participant characteristics and the inclusion of objective outcome measures will aid in the improvement of therapy techniques. CONCLUSION One promising, kid-centered strategy for treating motor deficiencies in kids with cerebral palsy is play-based therapy. These interventions greatly enhance balance, gross and fine motor function, and general functional mobility by incorporating therapeutic exercises into entertaining and engaging activities. Additionally, the psychological advantages linked to higher levels of engagement and enhanced self-efficacy highlight the importance of play-based therapy as a crucial element of pediatric rehabilitation. 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