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Aim: To systematically review evidence of the effectiveness of sticky mittens training to improve reaching skills and manual exploration of full-term and at-risk infants and optimal training dosage.
Methods: The Cochrane Collaboration and Preferred Reporting Items for Systematic Reviews and Meta-Analyses guided this systematic review. The electronic search was performed from September 2017 to August 2021 on PubMed, Scopus, Science Direct, and Cochrane databases. Eligibility criteria followed PICO terms: clinical trials investigating the effects of sticky mittens training on reaching skills and manual exploration of full-term and at-risk infants. PEDro scale and GRADE assessed methodological quality and quality of evidence, respectively.
Results: Eight studies (313 children) were included. Five studies found statistically significant differences between experimental and control groups (62.6%). One study presented high methodological quality. Evidence synthesis showed very low and low evidence of the beneficial effects of sticky mittens training in full-term and at-risk infants, respectively.
Conclusions: Findings suggest that sticky mittens training facilitates reaching skills and manual exploration. However, results should interpretation with caution because studies targeted full-term infants. Future research should focus on infants at risk or with motor impairments since sticky mittens training seems to show positive effects and is easy to apply.
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http://dx.doi.org/10.1080/01942638.2022.2128973 | DOI Listing |
Infant Behav Dev
July 2025
Department of Psychology and Human Development, Peabody College of Education and Human Development, Vanderbilt University, Nashville, TN, USA.
The goal of this review was to highlight discoveries on infant reaching and grasping from research published between 2000 and 2025. We structured the review on two examples from the last quarter century where researchers introduced new approaches for investigating developmental change in infants' reaching and grasping from the perspective of developmental cascades-processes by which changes in one domain influence abilities within or outside that domain. In the first example, we looked at the "micro" level of dissecting the components of developmental change as measured with the experimental paradigm sticky mittens.
View Article and Find Full Text PDFEarly Hum Dev
March 2025
Department of Population Health Sciences, University of Leicester, United Kingdom. Electronic address:
Research with 3-month-old infants from the general population has shown benefits to their exploratory behavior from play involving 'sticky mittens'. Sticky mittens are Velcro-covered mittens that are used with Velcro-covered toys to enable pre-reaching infants to grab and move toys simply by swatting at them. Our randomized controlled trial examined whether sticky mittens play, supervised by parents in the home environment, could similarly improve the exploratory behavior and later development of preterm infants.
View Article and Find Full Text PDFPsychol Bull
November 2023
Department of Psychology, Harvard University.
The relationship between experience and knowledge is one of the oldest and deepest questions in psychology. In developmental science, research on this question has focused on prereaching infants who cannot yet retrieve objects by reaching for and grasping them. Over the past 2 decades, behavioral research in this population has produced two seemingly contradictory findings: After first-person experience with reaching via "sticky mittens" training, (a) infants come to expect that people reach efficiently, toward goal objects, but (b) under some conditions, they can express these expectations without training.
View Article and Find Full Text PDFPhys Occup Ther Pediatr
February 2023
Department of Physiotherapy, Federal University of São Carlos, São Carlos, São Paulo, Brazil.
Aim: To systematically review evidence of the effectiveness of sticky mittens training to improve reaching skills and manual exploration of full-term and at-risk infants and optimal training dosage.
Methods: The Cochrane Collaboration and Preferred Reporting Items for Systematic Reviews and Meta-Analyses guided this systematic review. The electronic search was performed from September 2017 to August 2021 on PubMed, Scopus, Science Direct, and Cochrane databases.
Child Dev
November 2022
Department of Psychology, Uppsala University, Uppsala, Sweden.
Several studies have previously investigated the effects of sticky mittens training on reaching and grasping development. However, recent critique casted doubts on the robustness of the motor effect of this training. The current study presents a pre-registered report that aimed to generalize these effects to Swedish infants.
View Article and Find Full Text PDF