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Updated: Aug 16, 2026

Quantifying Learning in Young Infants: Tracking Leg Actions During a Discovery-learning Task
Published on: June 1, 2015
3D joint dynamics of walking in toddlers A cross-sectional study spanning the first rapid development phase of
Ann Hallemans1, Dirk De Clercq, Bert Otten
1Laboratory for Functional Morphology, Department of Biology, University of Antwerp, Belgium. ann.hallemans@ua.ac.be
Insights
Toddler walking mechanics show smaller joint moments and reduced power due to size and immature control. With experience, gait evolves towards adult patterns, particularly after 4 months of walking.
Area of Science:
- Biomechanics
- Developmental Pediatrics
- Human Movement Science
Background:
- Early walking in toddlers is a complex motor skill development.
- Understanding the biomechanical forces in toddler gait is crucial for developmental insights.
- Existing research often lacks detailed analysis of joint moments and power generation in novice walkers.
Purpose of the Study:
- To analyze the biomechanical differences in toddler walking compared to adult patterns.
- To investigate the influence of walking experience on gait parameters in toddlers.
- To identify key factors contributing to the unique gait characteristics of young children.
Main Methods:
- Kinematic and kinetic analysis of gait in 10 toddlers with <6 months of walking experience.
- Comparison of joint angle, moment, and power profiles against established adult gait data.
- Longitudinal assessment of gait changes in relation to walking experience duration.
Main Results:
- Toddlers exhibit smaller joint moments and reduced mass-specific powers, attributed to size and slower walking speed.
- Dominance of hip and knee extension moments suggests balance control strategies.
- Gait complexity is reduced, indicating immature motor control; active ankle push-off is minimal.
- Significant gait maturation, including step-time, ankle moments, and hip power absorption, observed after 4 months of walking.
Conclusions:
- Toddler gait is characterized by biomechanical adaptations for balance and immature motor control.
- Walking experience is a critical factor in the development of mature gait patterns.
- Further research can inform interventions for developmental coordination disorders.
Abstract:
This study aims at giving an insight into the causative forces of walking in toddlers. Therefore, joint angle, moment and power profiles of 10 toddlers with less than 6 months of walking experience are compared to the stereotype adult patterns. In general, joint moments are small, which can be explained both by the small size of toddlers and differences in walking strategy. Also mass specific powers are reduced due to the low average walking speed. Balance problems in toddlers lead to a dominance of hip and knee extending moments throughout stance. The joint moment profiles are characterized by a reduced complexity, which might suggest an immature control of movement. Another feature of toddler gait is that virtually no power is generated at the ankle joint prior to foot-off (no active push-off). We also examined the effect of walking experience on the toddler gait pattern. In general, an evolution towards a more mature gait becomes evident after 4 months of independent walking. Changes are observed in step-time parameters, ankle dorsiflexing moment and power absorption at the hip joint.

