The relationship between physical growth and a newborn reflex

Thelen, Esther; Fisher, Donna M.; Ridley‐Johnson, Robyn

doi:10.1016/s0163-6383(02)00091-7

Cited by 82 publications

(123 citation statements)

References 26 publications

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“…Some of these are established early in the first year of life, like the ability to make coordinated leg movements (e.g., Thelen, 1994) and the motivation and capacity to move around in space (e.g., Adolph, Vereijken, & Denny, 1998). Other components develop much later in the first year, such as sufficient muscle strength and balance control to support the body on one leg while the other leg swings forward (e.g., McGraw, 1945;Thelen, Fisher, & Ridley-Johnson, 1984), and may trigger the onset of independent walking. After the onset of walking, many components continue to develop, such as patterns of ground reaction force (Beck, Andriacchi, Kuo, Fermier, & Galante, 1981), patterns of gait initiation (Ledebt, Bril, & Brenière, 1998), and reciprocal recruitment of antagonist muscle activation (Myklebust, 1990).…”

Section: Introductionmentioning

confidence: 99%

Early independent walking: A longitudinal study of load perturbation effects

Vereijken

Pedersen

Størksen

2009

Developmental Psychobiology

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This study investigated infants' ability to adapt to experimentally induced changes in their body dimensions at walk onset, and how this ability is affected by increased walking experience. Fifteen infants were studied over their first 6 months of independent walking with a load perturbation design. They traversed a walkway with loads symmetrically placed around the shoulders, waist, or ankles, and without loading. At walk onset, infants fell more with shoulder and ankle loads than with waist or no loads. Shoulder loads further resulted in higher walking speed and longer steps, while waist loads resulted in increased walking speed and larger foot rotation. Ankle loads disrupted walking proficiency the most, as indicated by lower walking speed, shorter steps, larger foot rotation, and smaller step-to-step angle. Step width was not differentially affected by the conditions. With increased experience, walking proficiency increased across all conditions, but ankle loads lagged behind the other conditions. Loading effects are discussed with respect to walking experience and position of the loads on the body.

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Section: Introductionmentioning

confidence: 99%

Early independent walking: A longitudinal study of load perturbation effects

Vereijken

Pedersen

Størksen

2009

Developmental Psychobiology

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“…The impact of changes in the fat/muscle ratio on the ability to perform leg movements during infancy, before the acquisition of independent walking, has already been shown by Thelen and co-workers (Thelen, Fisher, & Ridley-Johnson, 1984;Thelen & Ulrich, 1991). Interindividual characteristics of fat/muscle ratio could play a role in the ability to master equilibrium and thus have an effect in the development of walking features.…”

Section: Resultsmentioning

confidence: 82%

Acquisition of upper body stability during walking in toddlers

Ledebt

Bril

2000

Dev. Psychobiol.

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“…(15,16) where their children behavior change due to an external stimulus, can be said to have acquired knowledge of the relationship between their actions and the effects were produced. (17) The stages of child development have a clear genetic basis, but the innate potentialities developed only to the extent that the newborn finds a favorable environment for this to occur.…”

Section: Discussionmentioning

confidence: 99%