crude oil price and the u.s. effective exchange rate are two main economic variables that have had real effects on world welfare situation. the aim of this paper is to test whether there is a stable long-run relationship between oil prices and the u.s. dollar, expressed in real term. to this end, we perform co-integration and causality tests between the two variables, using quarterly data from ...

BACKGROUND No previous research has analysed kinetic fatigue of elite adult players and elite youth players during the competitive period. OBJECTIVES The aim of the present study was to analyse kinetic post-match fatigue in professional and youth soccer players during the competitive period. MATERIALS AND METHODS resting heart rate (HRrest), post-effort recovery heart rate (HRrecovery), rat...

The purpose of this study was to examine the effects of the 11+ and HarmoKnee warm-up programs on performance measures in professional soccer players. Thirty-six male professional soccer players (age: 18.9 ± 1.4 years) were divided into 3 groups, the 11+, HarmoKnee and control group (n = 12 per group). The experimental groups performed the programs 3 times per week for 2 months (24 sessions), w...

PURPOSE This study was designed to examine the relationship between multiple short-passing ability [measured using the Loughborough Soccer Passing Test (LSPT)] and athletic performances in youth soccer players. METHODS Forty-two young soccer players (age 14.8±0.4years) performed the LSPT, the squat-jump (SqJ), the counter movement jump (CMJ), the 30m sprints (with 5m and 20m split times also ...

BACKGROUND The prevalence of obesity increased while certain measures of physical fitness deteriorated in preschool children in China over the past decade. This study tested the effectiveness of a multifaceted intervention that integrated childcare center, families, and community to promote healthy growth and physical fitness in preschool Chinese children. METHODS This 12-month study was cond...

This paper presents a new VLSI architecture for computing the Npoint discrete Fourier transform (DFT) of real data and the corresponding inverse (IDFT) based on the discrete Hartley transform, where N is a power of two. The architecture includes two real multipliers, three real adders, six memory-based buffers, two ROM’s, and some simple logic circuits, making itself suitable for single-chip im...