Background: Bone mass acquisition during growth is a major determinant of the risk of
developing osteoporosis later in life. Body composition is an anthropometric determinant of …

Background Strength training (ST) uses different training methods, such as free weights,
body weight, elastic bands or machines to generate resistance force. There is evidence of …

Today's youth are weaker than previous generations, and measurable reductions in physical
fitness are beginning to emerge. Without targeted initiatives that recognize the foundational …

Background Vitamin D and calcium-rich foods, exposure to sunlight, and physical activities
(PA) play a pivotal role in promoting the production of sufficient vitamin D and improving grip …

Background Sex hormones are recognized to play a significant role in increasing bone
mineral density (BMD) and promoting bone maturation during adolescence. The purpose of …

This study examined the predictive validity of musculoskeletal fitness tests for identifying
sarcopenia in youth. The sample was 529 participants age 10 to 18 years. Indices included …

Background Osteoporosis causes bone fragility, increasing the risk of fractures. Evidence
suggests a strong correlation between obesity and fracture risk. Physical training is known to …

Previous research has shown that children who were enrolled to school according to the
legal key date (ie, keyage children, between eight and nine years in third grade) exhibited a …

Background Protein supplementation augments muscle strength gain during resistance
training. Although some studies focus on the dose-response relationship of total protein …

Karate is a widely practiced combat sport. Karatekas' body composition has typically been
obtained in small groups using skinfolds or bioelectric impedance. In this work, we assessed …