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Fundamental motor skills, screen-time, and physical activity in preschoolers
E Kipling Webster1, Corby K Martin2, Amanda E Staiano2
1School of Kinesiology, Louisiana State University, Baton Rouge, LA 70808, USA.
Insights
Preschoolers with better fundamental motor skills engaged in more vigorous physical activity (VPA). Higher screen-time was linked to poorer manual dexterity in children, highlighting the need for further research.
Area of Science:
- Child Development
- Motor Skill Acquisition
- Public Health
Background:
- Fundamental motor skills (FMS) are crucial for children's physical and cognitive development.
- Early childhood is a critical period for establishing physical activity (PA) and sedentary behavior (SB) patterns.
- Understanding the interplay between FMS, screen-time, PA, and SB is vital for targeted interventions.
Purpose of the Study:
- To investigate the associations between FMS, screen-time, and PA/SB in preschoolers.
- To determine how different components of PA (TPA, MVPA, VPA) relate to motor skills and screen-time.
- To explore potential sex differences in PA and SB.
Main Methods:
- Prospective observational study involving 126 children aged 3-4 years.
- Assessment of FMS using the Test of Gross Motor Development-3rd edition (TGMD-3) and Movement Assessment Battery for Children-2nd edition.
- Measurement of screen-time via parent-report and physical activity/sedentary behavior using accelerometry for 7 days.
Main Results:
- Children's screen-time was inversely associated with manual dexterity (p=0.049).
- Higher TGMD-3 total and locomotor scores were linked to more vigorous physical activity (VPA) (p=0.017, p=0.018).
- Boys exhibited higher MVPA and VPA and lower SB than girls (p<0.05).
Conclusions:
- Preschoolers' motor skill development is positively associated with VPA.
- Increased screen-time in young children may be linked to poorer motor skills, particularly manual dexterity.
- Further research is warranted to understand the long-term implications of high screen-time exposure.
Purpose:
To examine the associations among preschoolers fundamental motor skills, screen-time, physical activity (PA), and sedentary behavior (SB).
Methods:
Children ages 3-4years were enrolled in a prospective observational trial of PA. Trained assessors conducted the Test of Gross Motor Development-3rdedition (TGMD-3), and the Movement Assessment Battery for Children-2nd edition, and parent-reported child screen-time and sociodemographic information. Children wore an accelerometer for 7days to examine SB and total PA (TPA). TPA was further characterized as moderate-to-vigorous PA (MVPA) or vigorous PA (VPA). Mixed linear models were calculated, controlling for age (for TGMD-3), sex, household income, and accelerometer wear time (for accelerometry models), with childcare center as a random effect. The primary analysis reported on the cross-sectional baseline data of 126 children with complete fundamental motor skill and screen-time data; a subanalysis included 88 children with complete accelerometry data.
Results:
Children were 3.4 ± 0.5years of age (54% girls; 46% white, 42% African American, 12% other). A total of 48% lived in households at or below the federal poverty level. Children engaged in 5.1 ± 3.6h/day of screen-time. Children's screen-time was inversely related to the Movement Assessment Battery for Children-2nd edition, manual dexterity skills percentile (β (SE) = -1.7 (0.8), p = 0.049). In the accelerometry subsample, children engaged in 5.9 ± 0.9h/day of TPA of which 1.7 ± 0.6h/day was MVPA. Boys engaged in more MVPA and VPA and less SB compared with girls (all p < 0.05). A higher TGMD-3, total score (β (SE) = 0.4 (0.2), p = 0.017) and locomotor score (β (SE) = 0.7 (0.3), p = 0.018) were associated with more VPA but not with TPA or MVPA. Screen-time and television in the bedroom were not related to SB, TPA, MVPA, or VPA.
Conclusion:
Children's motor skills were positively related to VPA but inversely related to screen-time. Further inquiry into the implications of high exposure to screen-time in young children is needed.
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