Mechanical loading is a crucial factor for maintaining skeletal health. Physical activities, exercise, and sports provide a wealth and variety of mechanical loads to bones, through muscle forces, ground reaction forces, and other contact or impact forces. Weightbearing activities can be effective exercises to enhance bone health-particularly, those that involve jumping and impact loads (with gr...

AIM To determine the effect of childhood obesity and insulin resistance on bone health. METHODS We conducted a cross sectional study in pubertal adolescents and young adults 13-20 years old who were either overweight/obese or normal weight. Participants were Tanner 3 or above for pubertal stage, and had fasting blood work done to measure glucose, insulin, C-reactive protein and lipid levels. ...

OBJECTIVE To study longitudinal associations between perceived pubertal timing and family conflict and cohesion during the transition to adolescence in 68 families of children with spina bifida and 68 matched families with able-bodied children. Children were 8 or 9 years old at Time 1 and 10 or 11 years old at Time 2. METHODS Family conflict and cohesion were assessed with observational data ...

INTRODUCTION Life-course studies are needed to explore how exposures during adolescence, particularly puberty, contribute to later cardiovascular risk and cognitive health in low and middle-income countries (LMIC), where 90% of the world's young people live. The extent of any existing cohorts investigating these outcomes in LMIC has not previously been described. METHODS We performed a system...

OBJECTIVE The study aimed to determine the level of knowledge and the sources of information about normal puberty and menstrual patterns in Turkish schoolgirls from İstanbul. METHODS The study sample was comprised of 922 randomly chosen schoolgirls. A questionnaire survey of knowledge of normal pubertal development and menstrual patterns was conducted. RESULTS The age of the girls ranged be...

OBJECTIVE A longitudinal comparison of adolescent girls with and without spina bifida (SB), regarding the effects of early pubertal timing on girls' depressive symptoms, mother-daughter conflict, and emotional distancing. METHODS 62 mother-daughter dyads (31 with SB and 31 without) reported on psychosocial outcomes at 5 time points (ages 8/9 to 16/17 years). RESULTS A pubertal timing × SB s...

Introduction: Pubertal growth peak is closely associated with a rapid increase in mandibular length and offers a wide range of therapeutic modifiability. Objective: The aim of the present study was to determine and compare the mean ages of onset and duration of pubertal growth peak among three skeletal classes. Methods: A retrospective cross-sectional study was conducted using lateral ceph...

This research investigated the developmental stages (pubertal status) and contexts (early or late timing relative to peers, and a context of stressful versus supportive peer relationships) in which the sex difference in depression unfolds. A sample of 158 youth (ages 9.6-14.8) and their caregivers provided information at two waves, 1 year apart, on puberty, peer stress, and depression. Pubertal...

The objective of the present study was to identify sperm abnormalities in young male patients with juvenile dermatomyositis (JDM). In 2005, 18 male JDM patients, diagnosed according to the criteria of Bohan and Peter, were followed at the Pediatric Rheumatology Unit and Rheumatology Division, of our Institution. Of the 18 males, 11 were pre-pubertal and 7 were post-pubertal. Two of 7 post-puber...