Relationship of Muscle Function to Auxology in Preterm Born Children at the Age of Seven Years

Fricke, Oliver; Roedder, Daniela; Kribs, Angela; Tutlewski, Baerbel; Kleist-Retzow, Juergen-Christoph von; Herkenrath, Peter; Roth, Bernhard; Schöenau, Eckhard

doi:10.1159/000308173

Cited by 10 publications

(9 citation statements)

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“…The result of a relatively low force is caused by the production of a relatively low v max , which is a characteristic of an impaired inter-and intramuscular coordination (low efficiency of movement). The kinetic pattern of an unconditioned neuromuscular system became exemplarily evident in analyses of individuals with congenital heart disease and premature birth [42,43]. Interestingly, v max was associated with cognitive function in an assessment of prematurely born children at the age of 7 years [43].…”

Section: Kinetic Analyses Of Muscle Function: Measuring Forces and Bementioning

confidence: 98%

“…The kinetic pattern of an unconditioned neuromuscular system became exemplarily evident in analyses of individuals with congenital heart disease and premature birth [42,43]. Interestingly, v max was associated with cognitive function in an assessment of prematurely born children at the age of 7 years [43]. The analysis of kinetic parameters may also serve as a useful clinical tool in pediatric osteology because of a second reason despite the assessment of maximal forces.…”

Section: Kinetic Analyses Of Muscle Function: Measuring Forces and Bementioning

confidence: 99%

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Analyses of muscular mass and function: the impact on bone mineral density and peak muscle mass

et al. 2010

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Bone density and bone mass are commonly regarded as the essential parameters to describe fracture risk in osteology. Because fractures primarily depend on bone strength and secondarily on bone mass and density, bone strength should be the main parameter to describe fracture risk. The quantitative description of bone strength has the prerequisite that bone geometry is assessed despite bone density. Thus, volumetric osteodensitometric methods should be preferred, which enable the physician to evaluate parameters primarily associated with bone modeling or remodeling. Modeling describes the adaptation of bone geometry to applied muscular forces in contrast to remodeling representing bone turnover. The adaptation of bone geometry to muscle forces led to the term functional muscle-bone unit, which enables the physician to differentiate between primary and secondary bone diseases. Primary bone diseases are characterized by a defective adaptation of bone to muscle forces in contrast to secondary bone diseases, which are primary diseases of the neuromuscular system. Because muscle forces are essential in the feedback loop of bone adaptation to forces (mechanostat), the assessment of muscle function has become an essential part of osteologic diagnostics in pediatrics. Dynamometric and mechanographic methods have been introduced to properly characterize kinetic aspects of muscle function in children and adolescents. Therefore, emphasis should be put on the assessment of muscle function despite the evaluation of osteodensitometric parameters in pediatric osteology.

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Section: Kinetic Analyses Of Muscle Function: Measuring Forces and Bementioning

confidence: 98%

Section: Kinetic Analyses Of Muscle Function: Measuring Forces and Bementioning

confidence: 99%

Analyses of muscular mass and function: the impact on bone mineral density and peak muscle mass

et al. 2010

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“…MIGF was measured with a hand-held Jamar hydraulic dynamometer. Ground reaction forces were measured by use of the Leonardo Platform® (NovotecGmbH, Pforzheim, Germany) as has described elsewhere [13,20]. Motor function was analyzed by goal-directed two-leg jumping.…”

Section: Total N=101 Mean (± Sd)mentioning

confidence: 99%

Effect of Post-Natal Catch-Down and Feeding Practices on Auxology, Body Composition and Muscle Function in Children Born Large-For-Gestational-Age

Peters¹,

Woelfle²,

Joergens³

et al. 2017

J Diabetes Metab

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“…The lower grip strength might be a reflection of the long–term pathophysiological consequences, including the lower muscle mass in former preterms. Moreover, Fricke et al showed an association between anthropometrics and grip strength at 7 years in very low birth weight (<1500 grams) prematurely born infants [40]. Similarly, grip force and peak jump power were significantly lower compared to the reference population in their study [38].…”

Section: Discussionmentioning

confidence: 86%

“…Moreover, a 4–month period is unlikely to offer the whole explanation, in particular in view of the literature summarized above. Third, the Bayley Scales of Infant Development and the grip strength test measure different aspects of motor performance [40]. However, both tests are appropriate for the age of the children at which they were administered.…”

Section: Discussionmentioning

confidence: 99%

Catch–up growth in the first two years of life in Extremely Low Birth Weight (ELBW) infants is associated with lower body fat in young adolescence

et al. 2017

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AimTo investigate growth patterns and anthropometrics in former extremely low birth weight (ELBW, <1000 g) children and link these outcomes to neurocognition and body composition in childhood.MethodsELBW children were examined at birth (n = 140), at 9 and 24 months (n≥96) and at approximately 11 years within the framework of the PREMATCH (PREMATurity as predictor children’s of Cardiovascular and renal Health) case–control (n = 93–87) study. Regional growth charts were used to convert anthropometrics into Z–scores. Catch–up growth in the first two years of life was qualified as present if ΔZ–score >0.67 SDS. At 11 years, anthropometrics, neurocognitive performance, body composition, grip strength and puberty scores were assessed.ResultsELBW neonates displayed extra–uterine growth restriction with mean Z–scores for height, weight and head circumference of –0.77, –0.93 and –0.46 at birth, –1.61, –1.67 and –0.72 at 9 months, –1.22, –1.61 and –0.84 at 24 months, and –0.42, –0.49 and –1.09 at 11 years. ELBW children performed consistently worse on neurocognitive testing with an average intelligence quotient equivalent at 11 years of 92.5 (SD 13.1). Catch–up growth was not associated with neurocognitive performance. Compared to controls, ELBW cases had lower grip strength (13.6 vs. 15.9 kg) and percentage lean body weight (75.1 vs. 80.5%), but higher body fat (24.6 vs. 19.2%) and advanced puberty scores at 11 years (all P≤0.025). Catch–up growth for weight and height in the first two years of life in cases was associated with a lower percentage body fat compared to cases without catch–up growth (16.8% catch-up growth for weight vs. 25.7%, P<0.001; 20.9% catch-up for height vs. 25.8%, P = 0.049).ConclusionsIn young adolescence, former ELBW children still have difficulties to reach their target height. Compared to normal birth weight controls, ELBW adolescents show lower neurocognitive performance and grip strength and a higher percentage body fat, a potential risk factor for adverse health outcomes in adulthood. Our key finding is that catch–up growth in ELBW children in the first two years of life is associated with a lower percentage body fat and is therefore likely to be beneficial.

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Relationship of Muscle Function to Auxology in Preterm Born Children at the Age of Seven Years

Cited by 10 publications

References 50 publications

Analyses of muscular mass and function: the impact on bone mineral density and peak muscle mass

Analyses of muscular mass and function: the impact on bone mineral density and peak muscle mass

Effect of Post-Natal Catch-Down and Feeding Practices on Auxology, Body Composition and Muscle Function in Children Born Large-For-Gestational-Age

Catch–up growth in the first two years of life in Extremely Low Birth Weight (ELBW) infants is associated with lower body fat in young adolescence

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