Abstract
: Exercise may be the most important
environmental factor that can increase peak bone mass. Adequate estrogen levels are
necessary for maintenance ofbone strenght. The bone mass of puberty
female athlete decrease because of chronic physical activity. Status of
estrogen in puberty periode has highest level, but it can decrease because of
chronic physical activity. This article use methode by searching data from
Pubmed with keyword physical training,exercise,
adolescent female,estrogen,growth, bone , dan epiphyseal plate. Hard
physical activity give overload for bone especially
can caused injury in epiphyseal
cartilage.Extremes of exercise training produce negative effects on bone
owing to decreases in estrogen. Low level of estrogen can not maintenance
integrity of bone.
.
Key word : physical training, exercise,
adolescent female, estrogen, growth,
bone , epiphyseal plate