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Growth spurt peak height velocity

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https://www.readbyqxmd.com/read/29658150/proximal-patellar-tendon-pathology-can-develop-during-adolescence-in-young-ballet-dancers-a-2-year-longitudinal-study
#1
A Rudavsky, J L Cook, S Docking
PURPOSE: Patellar tendinopathy (tendon pain and dysfunction), or jumper's knee is prevalent in adult jumping athletes. Pathology in the proximal patellar tendon is a key risk factor for developing patellar tendinopathy. When pathology develops in the proximal patellar tendon is not known, though it is reported to exist in adolescent athletes. The aim of this study was to follow young jumping athletes (ballet dancers) through adolescence to identify if pathology develops and its relation to the adolescent growth spurt...
April 15, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29580223/association-between-braced-curve-behavior-by-pubertal-growth-peak-and-bracing-effectiveness-in-female-idiopathic-scoliosis-a-longitudinal-cohort-study
#2
Sai-Hu Mao, Xu Sun, Ben-Long Shi, Yong Qiu, Bang-Ping Qian, Jack C Y Cheng
BACKGROUND: Pre-pubertal idiopathic scoliosis (IS) is associated with high risk of bracing ineffectiveness. Integrated multidimensional maturity assessments are useful but complex to predict the high-risk occurrence of curve progression. This study is designed to provide a simple screening method for brace effectiveness by determining whether or not the braced curve behavior at growth spurt, being defined as variations in Cobb angle velocity (AV) at peak height velocity (PHV), can be a new factor predictive of brace outcome prescribed before PHV...
March 27, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29466240/growth-velocity-and-biological-variables-during-puberty-in-achondroplasia
#3
Mariana Del Pino, Virginia Fano, Paula Adamo
BACKGROUND: Achondroplasia is the most common form of inherited disproportionate short stature. Cross-sectional design studies of height show that, during childhood, height standard deviation scores (SDS) declines steadily and reaches a mean adult height at -6.42 and -6.72 SDS. However, there is a lack of knowledge about longitudinal growth and biological variables during puberty for children with achondroplasia. Here we report the growth velocity and biological parameters during puberty in children with achondroplasia...
March 28, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29389797/curve-progression-in-adolescent-idiopathic-scoliosis-does-not-match-skeletal-growth
#4
Jason Pui Yin Cheung, Prudence Wing Hang Cheung, Dino Samartzis, Keith Dip-Kei Luk
BACKGROUND: Determining the peak growth velocity of a patient with adolescent idiopathic scoliosis (AIS) is important for timely treatment to prevent curve progression. It is important to be able to predict when the curve-progression risk is greatest to maximize the benefits of any intervention for AIS. The distal radius and ulna (DRU) classification has been shown to accurately predict skeletal growth. However, its utility in predicting curve progression and the rate of progression in AIS is unknown...
February 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29241366/accuracy-of-dental-development-for-estimating-the-pubertal-growth-spurt-in-comparison-to-skeletal-development-a-systematic-review-and-meta-analysis
#5
MarcosAlan Vieira Bittencourt, GrazielaOro Cericato, Ademir Franco, RafaelaSilva Girão, Anderson Paulo Barbosa Lima, LuizRenato Paranhos
OBJECTIVES: This study aimed to search for scientific evidence concerning the accuracy of dental development for estimating the pubertal growth spurt. METHODS: It was conducted according to the statements of PRISMA. An electronic search was performed in six databases, including the grey literature. The PICOS strategy was used to define the eligibility criteria and only observational studies were selected. RESULTS: Out of 1,416 identified citations, 10 articles fulfilled the criteria and were included in this systematic review...
January 10, 2018: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/29238730/interaction-of-pubertal-development-and-metabolic-control-in-adolescents-with-type-1-diabetes-mellitus
#6
M Plamper, B Gohlke, J Woelfle, K Konrad, T Rohrer, S Hofer, W Bonfig, K Fink, R W Holl
Background: In T1DM, delayed pubertal development and reduced final height are associated with inadequate metabolic control. Objective: To assess whether T1DM affects pubertal growth spurt and whether metabolic control during puberty is gender-related. Methods: Using a large multicentre database, longitudinal data from 1294 patients were analysed. Inclusion criteria: complete records of height and HbA1c from the age of seven to 16 years. Exclusion criteria: other significant chronic diseases and medications, T1DM duration less than three months, and initial BMI < 3rd or >97th percentile...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29196711/the-uniform-pattern-of-growth-and-skeletal-maturation-during-the-human-adolescent-growth-spurt
#7
James O Sanders, Xing Qiu, Xiang Lu, Dana L Duren, Raymond W Liu, Debbie Dang, Mariano E Menendez, Sarah D Hans, David R Weber, Daniel R Cooperman
Humans are one of the few species undergoing an adolescent growth spurt. Because children enter the spurt at different ages making age a poor maturity measure, longitudinal studies are necessary to identify the growth patterns and identify commonalities in adolescent growth. The standard maturity determinant, peak height velocity (PHV) timing, is difficult to estimate in individuals due to diurnal, postural, and measurement variation. Using prospective longitudinal populations of healthy children from two North American populations, we compared the timing of the adolescent growth spurt's peak height velocity to normalized heights and hand skeletal maturity radiographs...
December 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28479496/effect-of-early-life-physical-growth-on-midlife-vertebral-dimensions-the-northern-finland-birth-cohort-1966-study
#8
Petteri Oura, Markus Paananen, Marja Ojaniemi, Juha Auvinen, Juho-Antti Junno, Jaro Karppinen, Jaakko Niinimäki
Small vertebral size is an independent risk factor for osteoporotic vertebral fractures. Physical growth in early life is related to bone health in later life, but the relationship of early growth versus vertebral size has been inconclusively studied. Utilizing the Northern Finland Birth Cohort 1966 with a 47-year follow-up, we investigated how physical growth in early life is associated with midlife vertebral dimensions. We obtained several physical growth parameters of 1) birth (gestational age, length, weight, BMI), 2) infancy and childhood (peak height velocity (PHV), peak weight velocity (PWV), adiposity peak (AP), adiposity rebound (AR)), and 3) puberty (BMI at growth spurt take-off (TO), PHV, height change)...
May 4, 2017: Bone
https://www.readbyqxmd.com/read/28424059/insight-into-human-pubertal-growth-by-applying-the-qeps-growth-model
#9
Anton Holmgren, Aimon Niklasson, Lars Gelander, A Stefan Aronson, Andreas F M Nierop, Kerstin Albertsson-Wikland
BACKGROUND: Computerized mathematical models describing absolute and relative individual growth during puberty in both cm and standard deviation (SD)-scores are lacking. The present study aimed to fill this gap, by applying the QEPS-model that delineates mathematically the specific pubertal functions of the total growth curve. METHODS: Study population used was the individual growth curves of the longitudinally followed cohort GrowUp1974 Gothenburg (n = 2280)...
April 19, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28387142/preece-baines-model-1-to-estimate-height-and-knee-height-growth-in-boys-and-girls-from-merida-mexico
#10
Sudip Datta Banik, Sedigheh Mirzaei Salehabadi, Federico Dickinson
BACKGROUND: Height and body segments in children have differential pubertal growth characteristics. Lower leg length is a sensitive indicator of child's nutritional status. OBJECTIVE: The purpose of this study was to estimate differential timing and tempo of height and knee height (KH) growth in 9- to 17-year-old boys (n = 475) and girls (n = 500) from Merida, Mexico. METHODS: In this cross-sectional study, the Preece-Baines growth curves-model 1 (PB 1) was fitted to the anthropometric data for height and KH...
June 2017: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/27832016/curve-progression-risk-in-a-mixed-series-of-braced-and-nonbraced-patients-with-idiopathic-scoliosis-related-to-skeletal-maturity-assessment-on-the-olecranon
#11
Yann Philippe Charles, Federico Canavese, Alain Diméglio
We aimed to determine the curve progression risk of idiopathic scoliosis in patients at the time of peak height velocity by plotting curve magnitudes against olecranon stages of skeletal maturation. Register data of 372 patients with juvenile or adolescent idiopathic scoliosis followed at 6-month intervals from onset of scoliosis to skeletal maturity were reviewed. At the onset of the pubertal growth spurt, curves greater than 30° have a 100% risk of progressing over 45° (P<0.0001). Curves 21-30° have a progression risk of 72...
May 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27743496/being-born-large-for-gestational-age-is-associated-with-earlier-pubertal-take-off-and-longer-growth-duration-a-longitudinal-study
#12
Ilaria Di Giovanni, M Loredana Marcovecchio, Valentina Chiavaroli, Tommaso de Giorgis, Francesco Chiarelli, Angelika Mohn
AIM: Perinatal factors seem to influence the onset of puberty, but there is limited information on the potential effect of large size at birth on pubertal growth. This study evaluated pubertal growth in children born large for gestational age (LGA) compared to children born appropriate for gestational age (AGA). METHODS: Longitudinal growth data collected from 70 children - 40 AGA and 30 LGA - were analysed. The ages at take-off, peak height velocity, final height and pubertal growth spurts were calculated using the Preece-Baines model I...
January 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/27650913/long-bone-robustness-during-growth-a-cross-sectional-pqct-examination-of-children-and-young-adults-aged-5-29years
#13
Timo Rantalainen, Benjamin K Weeks, Rossana C Nogueira, Belinda R Beck
Skeletal robustness (cross-section size relative to length) is associated with stress fractures in adults, and appears to explain the high incidence of distal radius fractures in adolescents. However, little is known about the ontogeny of long bone robustness during the first three decades of life. Therefore, we explored the ontogeny of tibial, fibular, ulnar and radial robustness in a cross-sectional sample of 5 to 29year-old volunteers of both sexes. Peripheral quantitative computed tomography (pQCT) was used to evaluate cross-sections of the leg (4%, 14%, 38% and 66%), and forearm (4%, and 66%) in N=432 individuals...
December 2016: Bone
https://www.readbyqxmd.com/read/27291423/sexual-dimorphism-in-growth-in-the-relative-length-of-the-forearm-and-relative-knee-height-during-adolescence
#14
Natalia Nowak-Szczepanska, Slawomir Koziel
There are numerous studies concerning sexual dimorphism in body proportions, but only a few have investigated growth in the relative length of particular segments of the upper and lower limbs during adolescence. The aim of the study is an assessment of sex differences of longitudinal growth in the relative length of the forearm and knee height among adolescents. Sample involved 121 boys and 111 girls, participants of the Wroclaw Growth Study, examined annually between 8 and 18 years of age. Sexual dimorphism in six ratios: forearm length and knee height relatively to: trunk, height, and limb length were analyzed using a two-way analysis of variance with repeated measurements...
October 2016: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/27018860/higher-anterior-knee-laxity-influences-the-landing-biomechanics-displayed-by-pubescent-girls
#15
Catherine Y Wild, Bridget J Munro, Julie R Steele
Despite an increase in anterior knee laxity (AKL) during the adolescent growth spurt in girls, it is unknown whether landing biomechanics are affected by this change. This study investigated whether pubescent girls with higher AKL displayed differences in their lower limb strength or landing biomechanics when performing a horizontal leap movement compared to girls with lower AKL. Forty-six pubescent girls (10-13 years) were tested at the time of their peak height velocity (PHV). Passive AKL was quantified and used to classify participants into higher (HAKL; peak displacement > 4 mm) and lower (LAKL; peak displacement < 3 mm) AKL groups (n = 15/group)...
January 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/26912286/how-young-girls-change-their-landing-technique-throughout-the-adolescent-growth-spurt
#16
Catherine Y Wild, Bridget J Munro, Julie R Steele
BACKGROUND: Despite the rapid musculoskeletal changes experienced by girls throughout the adolescent growth spurt, little is known about how their lower limb landing technique changes during this time. PURPOSE: To investigate the longitudinal changes in the 3-dimensional lower limb kinematics, joint moments, and muscle activation patterns displayed by girls when performing a horizontal landing task throughout their adolescent growth spurt. STUDY DESIGN: Descriptive laboratory study...
May 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26084525/biological-maturation-of-youth-athletes-assessment-and-implications
#17
REVIEW
Robert M Malina, Alan D Rogol, Sean P Cumming, Manuel J Coelho e Silva, Antonio J Figueiredo
The search for talent is pervasive in youth sports. Selection/exclusion in many sports follows a maturity-related gradient largely during the interval of puberty and growth spurt. As such, there is emphasis on methods for assessing maturation. Commonly used methods for assessing status (skeletal age, secondary sex characteristics) and estimating timing (ages at peak height velocity (PHV) and menarche) in youth athletes and two relatively recent anthropometric (non-invasive) methods (status-percentage of predicted near adult height attained at observation, timing-predicted maturity offset/age at PHV) are described and evaluated...
July 2015: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/25724575/new-perspectives-on-the-relationship-between-mandibular-and-statural-growth
#18
Raphael Patcas, Guido Herzog, Timo Peltomäki, Goran Markic
BACKGROUND: Condylar and somatic growth have similar growth curves. The aim of this study was to compare both growth curves in untreated subjects at different ages and investigate if a correlation factor (CF) could be established. MATERIAL AND METHODS: Semi-longitudinal records (cephalograms and body height) of 418 untreated, healthy children (193 girls and 225 boys) from a craniofacial growth study were analyzed. Incremental changes of three mandibular measurements from articulare and three from condylion were compared to statural growth changes separately...
February 2016: European Journal of Orthodontics
https://www.readbyqxmd.com/read/25710395/-the-assessment-of-biological-maturation-for-talent-selection-which-method-can-be-used
#19
L Müller, E Müller, C Hildebrandt, K Kapelari, C Raschner
BACKGROUND: The biological maturity status plays an important role in sports, since it influences the performance level and the talent selection in various types of sport. More mature athletes are favorably selected for regional and national squads. Therefore, the biological maturity status should be considered during the talent selection process. In this context, the relative age effect (RAE), which exists when the relative age quarter distribution of selected sports groups shows a biased distribution with an over-representation of athletes born in the first months after the specific cut-off-date for the competition categories, represents another problem in the talent development...
March 2015: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/25476426/-retrospective-mixed-longitudinal-study-on-the-growth-trajectory-of-height-among-children-and-adolescents
#20
Xinnan Zong, Hui Li, Yaqin Zhang, Hui Zhang
OBJECTIVE: Longitudinal studies in height for school-age children and adolescents mainly focused on the velocity, spurt and peak of growth, and currently no changing growth trajectory or channel around the baseline were reported except the shift of percentiles among infants. This study aimed to analyze general characteristic of the growth trajectory of height among children and adolescents so as to provide scientific evidence for early detecting height deviation and evaluating treatment interventions for pediatric clinical and health care professionals...
September 2014: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
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