Related Experiment Video
Updated: Jul 16, 2026

Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton
Published on: June 16, 2016
Baby carriage: infants walking with loads
Jessie S Garciaguirre1, Karen E Adolph, Patrick E Shrout
1Department of Psychology, New York University, New York, NY 10003, USA. jsg251@nyu.edu
Insights
Carrying loads, even 15% of body weight, significantly disrupts infant walking, affecting gait and footfall patterns. Infants show unique leaning responses to asymmetrical loads, differing from adults.
Area of Science:
- Developmental Psychology
- Biomechanics
- Motor Control
Background:
- Infant balance control is crucial for independent walking.
- Understanding how infants adapt to external perturbations is key to developmental research.
Purpose of the Study:
- To investigate the effects of load carriage on infant gait stability and patterns.
- To analyze infant postural responses to symmetrical and asymmetrical loads.
Main Methods:
- 14-month-old infants walked with 15% body weight in shoulder packs (symmetrical and asymmetrical loads).
- Gait parameters and footfall patterns were analyzed.
- Infant postural responses to loads were observed.
Main Results:
- Both load types disrupted alternating gait and led to less mature footfall patterns.
- Back loads most severely impacted walking.
- Infants leaned with asymmetrical loads, unlike adults who lean away.
- Less experienced walkers and those with chubbier proportions were more affected.
Conclusions:
- Load carriage presents significant balance challenges for new walkers.
- Infants utilize distinct, developing strategies for balance control under load.
- Findings suggest a developmental trajectory from accommodation to compensatory strategies in balance.
Abstract:
Maintaining balance is a central problem for new walkers. To examine how infants cope with the additional balance control problems induced by load carriage, 14-month-olds were loaded with 15% of their body weight in shoulder-packs. Both symmetrical and asymmetrical loads disrupted alternating gait patterns and caused less mature footfall patterns. Walking was most severely compromised by back loads. Infants with less walking experience, lower levels of walking proficiency, and chubbier body proportions were more adversely affected. In addition, infants displayed a unique postural response to asymmetrical loads. In contrast to older children and adults, infants leaned with loads rather than in the opposite direction to the loads. Findings are discussed in terms of development from accommodation to compensatory strategies.
Related Concept Videos
Eccentric Loading
Parental Care
Migration

