Search results for "METODI"
showing 10 items of 940 documents
Comparison of posturographic parameters between young taekwondo and tennis athletes
2018
[Purpose] Physical activity can influence the development of postural control and balance. Therefore, the aim of study was to use posturography assessment to compare balance control on the Romberg test between athletes in two very different sports, taekwondo and tennis. [Participants and Methods] Twenty-nine young athletes participated in the study, 11 forming the taekwondo group and 18 the tennis group. Posturography was performed using the FreeMed system (Sensor Medica). Between-group differences were evaluated using unpaired Student’s t-test. [Results] There was a significance between-group difference in the centre of pressure and the ellipse surface area with no between-group difference…
Ottimizzazione di Forma della Deriva di una Barca a Vela: applicazione al caso della classe 5o5
2007
Con questo lavoro gli autori propongono un metodo di indagine automatizzato per la ricerca della forma ottimale di una deriva di uno scafo a vela che garantisca la portanza necessaria, nelle ordinarie condizioni di navigazione controvento, offrendo al contempo la minore resistenza. L’ampio spettro di forme adottate denuncia forse il problema dei progettisti, i quali si rifanno alla teoria classica dell’aerodinamica, nell’interpretare il complesso problema idrodinamico. Da questo punto di vista un valido aiuto viene offerto dai codici di fluidodinamica computazionale (CFD) i quali permettono, con buona approssimazione, di individuare la distribuzione delle forze e delle velocità di un flusso…
Development of multivariate and network models for the analysis of Big Data: applications in economics, insurance, and social sciences
2020
In questa tesi sviluppo metodi statistici multivariati e di rete per lo studio di sistemi complessi. In particolare, focalizzo la mia analisi sullo studio di reti complesse bipartite e le loro applicazioni a (i) l'economia, per capire l'effetto di contagio tra istituti finanziari e stati sovrani, (ii) la sorveglianza nelle assicurazioni, per individuare comportamenti fraudolenti, e (iii) le scienze sociali, per studiare l'effetto delle politiche del REF sulle eccellenze nella ricerca delle università in UK. In this thesis I develop multivariate statistical and network methods for the study of complex systems. In particular, I focus my analysis on the study of bipartite complex networks and …
“The Linosa Study”: Epidemiological and heritability data of the metabolic syndrome in a Caucasian genetic isolate
2009
Abstract Background and aims Growing evidence suggests that the metabolic syndrome (MetS) has both a genetic and environmental basis. To evaluate the possibility of a further genetic analysis, we estimated prevalence rates and heritabilities for the MetS and its individual traits in the adult population of Linosa, a small and isolated Italian Island in the southern-central part of the Mediterranean Sea. Methods and results The Linosa Study (LiS) group consisted of 293 Caucasian native subjects from 51 families (123 parents; 170 offsprings). The MetS was defined according to NCEP/ATP III criteria and the following prevalence rates were calculated: hyperglycaemia 20.3%; central obesity 34.9%;…
Effects of Two Months of Very Low Carbohydrate Ketogenic Diet on Body Composition, Muscle Strength, Muscle Area, and Blood Parameters in Competitive …
2021
Background: Ketogenic diet (KD) is a nutritional approach that restricts daily carbohydrates, replacing most of the reduced energy with fat, while maintaining an adequate quantity of protein. Despite the widespread use of KD in weight loss in athletes, there are still many concerns about its use in sports requiring muscle mass accrual. Thus, the present study sought to investigate the influence of a KD in competitive natural body builders. Methods: Nineteen volunteers (27.4 ±
Metabolic and cardiopulmonary effects of detraining after a structured exercise training programme in young PCOS women
2008
Summary Objective The aim of the present study was to determine if the favourable cardiopulmonary and metabolic benefits induced by exercise training (ET) programme are maintained after its cessation. Patients Thirty-two young overweight polycystic ovary syndrome (PCOS) women matched for age and body mass index (BMI) with other 32 PCOS patients was enrolled. The first group [PCOS-T (trained)] underwent 24-week ET programme, whereas the second [PCOS-DT (detrained)] underwent 12-week ET programme followed by 12-week detraining period. Methods At baseline, after 12- and 24-week follow-up, all PCOS women were studied for their hormonal (ovarian and adrenal androgens), metabolic (glucose and …
Emergence of statistically validated financial intraday lead-lag relationships
2014
According to the leading models in modern finance, the presence of intraday lead-lag relationships between financial assets is negligible in efficient markets. With the advance of technology, however, markets have become more sophisticated. To determine whether this has resulted in an improved market efficiency, we investigate whether statistically significant lagged correlation relationships exist in financial markets. We introduce a numerical method to statistically validate links in correlation-based networks, and employ our method to study lagged correlation networks of equity returns in financial markets. Crucially, our statistical validation of lead-lag relationships accounts for mult…
4-5 gadīgu bērna radošuma veicināšanas iespējas literāro darbu iepazīšanas procesā
2018
Kvalifikācijas darba tēma ir “4-5 gadīgu bērnu radošuma veicināšanas iespējas literāro darbu iepazīšanas procesā”. Kvalifikācijas darba mērķis ir pētīt 4-5 gadīgu bērnu radošuma attīstību literāro darbu iepazīšanas procesā. Lai sasniegtu darbā izvirzīto mērķi, pirmajā nodaļā autore pētīja un analizēja radošumu dažādu autoru skatījumā, tika sniegts pirmsskolēna raksturojums pētāmās problēmas kontekstā. Tika pētīta un veikta literatūras atlase atbilstoši vecumposmam un radošuma veicināšanas iespējām. Tika analizēti, kādi ir iespējamie metodiskie paņēmieni darbam ar daiļliteratūras tekstu radošuma sekmēšanai. Otrajā nodaļā tika izmantota novērošanas metode, lai noteiktu pētāmās grupas radošuma…
Sistema di supporto per vela alare semi-rigida
2013
La presente invenzione si riferisce ad un sistema di supporto per vela alare, in particolare per una vela alare semi-rigida a geometria variabile per uso nautico.