Heart rate deflection point during incremental test in competitive agility border collies.

The aim of this study was to determine a heart rate deflection point (HRdp) in competitive agility dogs. Fourteen healthy border collies underwent progressive incremental treadmill exercise--modified Conconi test protocol. Heart rate was continuously recorded, and the HRdp was estimated using two methods: subjective and computer aided regression.

Peak blood lactate parameters in athletes of different running events during low-intensity recovery after ramp-type protocol.

The aims of this study were to explore the differences in the peak blood lactate concentration (La(peak)) and time to reach Lapeak during low-intensity recovery after an all-out treadmill ramp test in runners of 4 diverse running disciplines and different training regimes and to identify the most opportune sampling time to determine Lapeak in these athlete groups. The participants were 48 Croatian national-level male track runners (10 sprinters [S], fifteen 400-m runners [S4], 10 middle-distance [MD] runners and 13 long-distance [LD] runners). The runners performed an incremental treadmill protocol until volitional exhaustion, with the inclination of 1.

Comparison of ventilation threshold and heart rate deflection point in fast and standard treadmill test protocols.

The purpose of this study was to compare two methods for determination of anaerobic threshold from two different treadmill protocols. Forty-eight Croatian runners of national rank (ten sprinters, fifteen 400-m runners, ten middle distance runners and thirteen long distance runners), mean age 21.7 +/- 5.

Differences in energy capacities between tennis players and runners.

The primary purpose of this study was to determine differences between elite athletes and tennis players in order to provide a clearer picture regarding the energy demands in modern tennis. Forty-eight (48) athletes and 24 tennis players from Croatian national leagues were compared in morphological and physiological parameters of an all-out incremental treadmill test with gas exchange measurements. Tennis players' HRmax (192.

Are there any differences in power performance and morphological characteristics of Croatian adolescent soccer players according to the team position?

The aim of the study was to analyze differences in power performance and morphological characteristics of young Croatian soccer players with respect to their team positions and to establish correlations between the power performance variables. Anthropometric characteristics and jumping and sprint performances were analyzed for 45 soccer players (age 14-15; mean body height 175.4 +/- 6.

How reliable are the equations for predicting maximal heart rate values in military personnel?

Objectives: The purpose of this study was to evaluate the validity and reliability of equations for predicting maximal values of heart rate (HR) in military personnel.

Methods: Five hundred and nine members of the Croatian Armed Forces (age 29.1 +/- 5.

Reliability and factorial validity of flexibility tests for team sports.

The main goal of this method paper was to evaluate the reliability and factorial validity of flexibility tests used in soccer, and to do crossvalidation study on 2 other team sports using handball and basketball players. The second aim was to compare the validity of the different tests and evaluate the flexibility of soccer players; the third was to determine the positional differences between attackers, defenders, and midfielders in all flexibility tests. One hundred and fifty (n = 150) elite male junior soccer players, members of the First Croatian Junior League Teams, and 60 (n = 60) handball and 60 (n = 60) basketball players also members of the First Croatian Junior League Teams volunteered to participate in the study, tested for the purpose of crossvalidation.

Reliability and factorial validity of agility tests for soccer players.

The purpose of this study was to evaluate the reliability and factorial validity of agility tests used in soccer. One hundred fifty (n = 150), elite, male, junior soccer players, members of the First Junior League Team, volunteered to participate in the study. The slalom test (ST) sprint 4 x 5 m (S4 x 5) and sprint 9-3-6-3-6-9 m with 180 degree turns (S180 degrees) tests had a greater reliability coefficient (alpha = 0.

Strong relationship between heart rate deflection point and ventilatory threshold in trained rowers.

The purpose of this study was to assess the relationship between heart rate deflection point (HRDP) and ventilatory threshold (VT) to the physiological and performance variables in a relatively large group of trained men rowers. We proposed the hypothesis that physiological and performance variables corresponding to HRDP are not significantly different from corresponding variables at VT, which would justify the use of HRDP as a simple, affordable, and noninvasive method of anaerobic threshold assessment in trained rowers. Eighty-nine trained men rowers (mean ± SD: age 21.

Morphological differences of elite Croatian track-and-field athletes.

In this study we present the morphological characteristics of 54 Croatian national level track-and-field athletes. 21 anthropometric body measures were taken on a sample of 15 sprinters (S), 16 endurance sprinters (S4), 10 middle-distance runners (MD) and 13 long-distance runners (LD). Body fat percentage, body mass index and somatotype were also calculated.

Scaling behaviour of VO2 in athletes and untrained individuals.

Objective: The present study analysed the allometric relationship (MR = a . M(b)) between human metabolic rate (MR), ranging from resting to maximal metabolic conditions, and body mass (M ), both in athletes of different specialization and untrained individuals.

Subjects And Methods: Two hundred and seventy male athletes and 43 untrained men performed a continuous incremental test to volitional exhaustion on a motorized treadmill.