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Blood Lead Level and Handgrip Strength in Preadolescent Polish Schoolchildren

Natalia Nowak-Szczepanska1, Aleksandra Gomula1, Anna Sebastjan2

  • 1Department of Anthropology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland.

Toxics
|November 10, 2022
PubMed

Insights

Environmental lead pollution negatively impacts children's handgrip strength (HGS). This study found elevated blood lead levels significantly reduced HGS in urban children, regardless of sex or socioeconomic status.

Area of Science:

  • Environmental Health
  • Pediatrics
  • Toxicology

Background:

  • Environmental lead exposure is a significant risk factor for child development.
  • Children's growth and functional development can be adversely affected by toxic elements like lead.
  • Assessing the impact of lead on physical development in children is crucial.

Purpose of the Study:

  • To evaluate the effect of blood lead levels on handgrip strength (HGS) in urban children.
  • To investigate the relationship between lead exposure and HGS, controlling for age, body size, and socioeconomic status.
  • To determine if lead exposure impacts grip strength in preadolescent children.

Main Methods:

  • A study involving 165 boys (9–11 years) and 79 girls (9–10 years) from Polkowice, Poland.
  • Measurements included anthropometrics (height, body mass), handgrip strength (left and right hands), and blood lead levels.
  • Analysis of covariance was used to assess the effects of age, sex, BMI, blood lead level, and maternal education on HGS.

Main Results:

  • Age, sex, BMI, and blood lead level significantly affected handgrip strength (p < 0.05).
  • Elevated blood lead levels showed a significant negative association with HGS.
  • Maternal education, used as a proxy for socioeconomic status, did not significantly impact HGS (p > 0.05).

Conclusions:

  • Elevated blood lead levels may negatively affect grip strength in preadolescent children.
  • The findings suggest a potential public health concern regarding lead exposure and physical development in children.
  • Further research is warranted to understand the long-term implications of lead exposure on children's physical capabilities.

Keywords:
grip strengthleadpreadolescent children

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