PTOtherJournal of physical therapy science2022

The relationship between children's somatotypes, motor examination results, and motor skills: assessing 6- to 10-year-olds.

Atsuko Kubo, Shin Murata, Teppei Abiko and 1 others

PMID 35784609

WHAT IT FOUND

In Japanese children aged 6 to 10 years, those with obesity-level weight for height had worse standing forward bend but better side-to-side hops.

Body composition did not differ, and the weight groups did not show a consistent motor difference.

Key findings

01In the motor examination, 4 of 10 endomorphic children could not touch the floor in standing forward bend, compared with 19 of 149 standard children.

02On side-to-side hops, endomorphic children had a median of 37.0 hops, compared with 31.5 for standard children, and this was the only significant difference in fitness tests.

03No body composition item, including body fat mass and skeletal muscle mass, differed significantly between endomorphic and standard children.

STILL TO COME

How it was doneWhat they foundWhat it means for PTs

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What it does not show

The endomorphic group had only 10 children, and the ectomorphic group had only 2, so comparisons were limited and may be biased. The motor examination table reports 159 children, while the analyzed sample is 161, and the paper does not explain the difference. The study measured children once and compared groups, so it cannot show that weight category caused motor differences.

Declared interests

The authors report no conflicts of interest and no funding to disclose.

The easy way to misread this

Do not read the better side-to-side hops result as evidence that obesity-level weight for height improves motor function. The endomorphic group had only 10 children, and more of them were unable to touch the floor in standing forward bend.

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