Ioannis Ispirlidis

• University of Thaki

Introduction: Warm-up is essential for optimizing athletic performance in both individual and team sports, though its effects tend to diminish or disappear after a certain period of time. However, in soccer, competition rules mandate a 15-min transition period before the match begins. Purpose: This study investigated the effect of this transitional...

Citation: Ispirlidis, I.; Pantazis, D.; Poulios, A.; Avloniti, A.; Stampoulis, T.; Michailidis, Y.; Troupkos, K.; Evangelou, E.; Draganidis, D.; Balampanos, D.; et al. The Effect of Intraset Rest Periods on External and Internal Load During Small-Sided Games in Soccer. Sports 2024, 12, 331. Abstract: The purpose of this study was to compare the int...

This study examined the effects of an on field combined strength/speed/soccer training program on the physical performance of 20 male adolescent (age: 14.0 ±0.7 years) soccer players, who were divided into an experimental and a control group (EG, CG). The EG players wore "weight shorts", with 300 gr of additional weight on each thigh and participat...

Introduction: Plyometric training has become a popular training method of youth soccer players. Researchers have sought to use different forms of training to maximize performance responses. Aim of the Study: This study examined effects of a vertical versus horizontal plyometric jump training program on physical performance of adolescent male socce...

This study assessed the impact of varying pitch dimensions during 4 vs. 4 small-sided games on both physiological performance and technical-tactical aspects among professional soccer players. The sample comprised eight (n= 8) male players from a Greek Superleague team, with an average age of 20 ± 1.5 years, body mass of 73.9 ± 6.4 kg, and stature o...

FIFA F-MARC στηριζόμενη στο πρόγραμμα προθέρμανσης πρόληψης τραυματισμών FIFA 11+ δημιούργησε ένα αντίστοιχο πρόγραμμα προθέρμανσης για παιδιά ποδοσφαιριστές ηλικίας κάτω των 14 χρονών το οποιο το ονόμασε FIFA 11+ KIDS. Το 11+ KIDS περιέχει επτά διαφορετικές ασκήσεις και έχει χρονική διάρκεια 15΄-20΄. Οι ασκήσεις έχουν σαν στοχο την μονόπλευρη δυνα...

Στόχος της μελέτης ήταν η καταγραφή και η ανάλυση των τελικών ενεργειών που πραγματοποίησαν οι τέσσερις φιναλίστ ομάδες του Copa America 2021. Το δείγμα της έρευνας αποτέλεσαν οι συνολικές 297 τελικές προσπάθειες των εθνικών ομάδων Αργεντινής, Βραζιλίας, Κολομβίας και Περού, οι οποίες έφτασαν στα ημιτελικά της διοργάνωσης. Οι δείκτες απόδοσης που κ...

Στόχος της παρούσας μελέτης ήταν η εξέταση της συχνότητας και της αποτελεσματικότητας της αντικατάστασης, στη θέση του προπονητή, μεσούσης της περιόδου στην πρώτη κατηγορία του Ισπανικού πρωταθλήματος ποδοσφαίρου (La Liga). Το δείγμα της έρευνας αποτέλεσαν οι αλλαγές προπονητών στις ομάδες της La Liga κατά τη διάρκεια τεσσάρων αγωνιστικών περιόδων...

Background: Our aims were to investigate the time-course effects of a futsal match on performance, oxidative stress, and muscle damage markers, as well as inflammatory and antioxidant responses during a 6-day post-match period. Methods: Thirty-four female high-level futsal players were assessed on several oxidative stress, inflammation, subjecti...

Identifying soccer teams' playing styles is a very important step in an effective performance analysis. The purpose of this research was to investigate the styles of play used by English Premier League teams in the 2021-22 season in the attacking phase. The data (760 observations from all 380 matches of the season) were obtained from the Instatscou...

The impact of location, as one of the state variables, has been found to be an important factor for a variety of technical and tactical performance indicators in football. Nevertheless, for the throw-in, although it has a high frequency during a match, there is no research data that takes into account the variable situations. The purpose of the pre...

The purpose of this study was to record the ball recovery characteristics and possible differences of the four final teams of the 2019-20 Champions League. The sample of the research was the 24 group stage matches of the 4 finalist teams of the Champions League 2019-20. 303 possession recoveries of Bayern Munich, Paris Saint-Germain, RB Leipzig and...

The aim of this study was to compare the internal and external loading between official matches and the in-season qualitative trainings in soccer. Nine professional soccer players (N=9) aged 29.5±2.75yrs, with body mass of 74.9±5kg, stature 180±14cm and body fat of 7±1.6% participated in the study. The selected parameters were recorded by the use o...

The purpose of this study was to examine the effect of a soccer small-sided game (SSG) on performance, inflammatory, muscle damage and hormonal indicators. Twenty-two male soccer players participated and were assigned to either experimental (EXP = 12) or control (CON = 10) groups. Subjective fatigue (RPE) and lactate (La¯) were measured during the...

19), καθώς και η σύγκριση τους με βάση την αγωνιστική θέση. Για το σκοπό αυτό, μετά από εργομετρικό έλεγχο, συγκεντρώθηκαν και αναλύθηκαν στοιχεία από νεαρούς ελίτ ποδοσφαιριστές (n=117) ηλικίας 19 ετών, ύψους 178.70 ± 7.09 cm και βάρους 72.48 ± 6.48 kg. Οι μεταβλητές που αναλύθηκαν ήταν το ύψος, το βάρος και το ποσοστό λίπους για τα ανθρωπομετρικά...

Σκοπός της παρούσας εργασίας είναι η διερεύνηση της επίδρασης της ηλικίας στη μέγιστη δύναμη των εκτεινόντων και των καμπτήρων του γόνατος και στην ευλυγισία των οπίσθιων μηριαίων σε ποδοσφαιριστές μίας ομάδας της Γ΄ Εθνικής κατηγορίας. Έλαβαν μέρος 22 ποδοσφαιριστές ηλικίας 18-35 ετών, οι οποίοι χωρίστηκαν σε δύο γκρουπ βάσει της ηλικίας τους, ως...

Οι επιθετικοί δείκτες απόδοσης μιας ομάδας μπορούν να δώσουν πληροφορίες για το επιθετικό της προφίλ καθώς και να εξαχθούν συμπεράσματα για την αποτελεσματικότητά της. Σκοπός της παρούσας μελέτης ήταν η σύγκριση επιθετικών δεικτών απόδοσης που σχετίζονται με τη φάση επίθεσης μεταξύ των νικητριών και ηττημένων ομάδων σε αγώνες του Champions League 2...

To date, the acute effect of selected hatha yoga exercises performed on a single training session on the joint flexibility of amateur soccer players has never been examined. The purpose of the present study was to examine the acute effect of short duration selected hatha yoga exercises on flexibility of the lower extremities and trunk in amateur so...

This study examined the effects of an alternative strength training method during soccer training on the development of physical and technical abilities of youth soccer players. 17 soccer players (age: 15 ±0.5 years) were divided in a control group (CG) and an experimental group (EG). The players of the EG wore a "weight shorts", with 300 gr of add...

The aim of the present study was to examine how various playing positions and opponent team ranking affect the covered distances and the acceleration and decelerations profile of a team during 2018–2019 Greek SuperLeague. StatSport GPS system recorded in match-play real-time both the players’ covered distances (m) and the number of acceleration/ de...

The aim of this study was to evaluate the heart rate (HR) during resting and after the re-warm up practice in the matches’ half-time (HTime) in professional male soccer players.

The evaluation of the heart rate variability (HRv) during resting and after the re-warm-up practice in the half-time (HTime) of the official matches in professional male soccer players

final-8 Champions League Γυναικών 2020

The Interaction between offensive tactics and match result in the teams of the final-8 of the 2020 UEFA Women's Champions League

THE EFFECT OF THE COVID-19 PANDEMIC IN THE PRE-SEASON PERIOD OF THE GREEK TEAMS THAT PARTICIPATED IN THE UEFA CHAMPIONS LEAGUE AND UEFA EUROPA LEAGUE IN 2020 AND 2021.

GPS Telemetry in match-play analysis of the players of a Greek Superleague 2 team. The interaction of the players' match-play intensity zones and result in relation to their tactical positions in 7 away matches of their team at the Greek Superleague 2 season of 2018-2019.

In soccer players are exposed to intensive physiological stress during training, which promote changes in biochemical markers that practitioners have to investigate in order to determine the internal training load. In this sense soccer training mainly due to eccentric actions cause biochemical disturbances that increase inflammation and muscle dama...

The aim of this study was to analyze the physical performance of the players in one of the top-3 teams of the national Superleague comparing the full-season matches in relation to the tactical position of the players and the match location. Eighteen (n=18) professional players aged 27±3.3yr, with body mass 77.1±6.9kg and stature 180.5±55cmwere asse...

Problem statement: Pre-warm-up actions have gained popularity in soccer in recent years but their effectiveness has not been sufficiently researched. Purpose: The aim of this study was to investigate the effect of a pre-warm-up exercise program, with emphasis on muscular activation and neuromuscular control, on selected performance and injury-relat...

Backround: New training methods are constantly used to improve the ability of skeletal muscles to develop strength. Objective: The aim of the present study was to investigate the effect of half-squat training with free weights and flywheel device on isokinetic knee muscle strength for well-trained amateur soccer players. Methods: Forty eight p...

Introduction. Change of direction (COD) is an important prerequisite in soccer. Therefore, a large number of tests have been developed aiming to assess the COD of athletes. The test most commonly used in soccer include the Illinois test (ICODT), the T test, the 505 test, and the Arrowhead COD test (ACODT). Aim of Study. The aim of this study was to...

Introduction. Researchers have proposed some equations for the estimation of VO2 max in adults with the use of the total distance or the maximum velocity of the Yo-Yo test. However, the use of these equations for estimating the VO2 max in children may include mistakes. Their physiological adaptations to incremental exercise are different than in ad...

The present study examined the validity and reliability of two new soccer tests: the Passing Accuracy Test (PAT), which assesses ball passing accuracy in combination with visual stimulus recognition and the Passing and Visual Recognition test (PVR), which assesses player’s space detection skill in a 360 degrees range along with the frequency and th...

Heart rate variability and re-warm up routine during the Half-Time of the official matches in the players of a Greek Superleague 2 team

The purpose of this study was to evaluate the effects of the injury prevention program FIFA 11+ (level 2) application, on lower limb balance ability and strength, as an effective approach of reducing injury risk in male soccer players. Thirty-two players were randomly divided into two groups (N = 16 each), one control group (CON group), and one tra...

The purpose of the present study was to examine the rotation strategy in high-level soccer teams during a sequence of three games per week (1st domestic, 2nd European and 3rd domestic). Data were collected during the 2014-15, 2015-16, 2016-17 and 2017-18 competitive season for the soccer teams that were qualified in the quarter finals of the Champi...

The present study was based on the scientific hypothesis that the isokinetic knee strength of the professional players is higher than that of the amateur soccer players.

The present study was based on the scientific hypothesis that the isokinetic knee strength of professional soccer players is directly related to their vertical jumping performance.

Background: The purpose of the study was to examine whether differences in aerobic capacity (VO2max) influence muscle reoxygenation following repeated anaerobic sprint test (RAST) in soccer players. We hypothesized that muscle reoxygenation is faster in players with higher aerobic capacity. Methods: Ten male, youth soccer players participated in...

The aim of this study was to investigate the effect of a combined program involving static stretching (SS) and foam rolling (FR) on hip flexion (Range of Motion-ROM) and jumping ability of soccer players. 24 amateur soccer players (age 21,73±0,87 years, height 179±0,53 cm and body mass 77,06±5,74 kg) divided in two groups: the control group which p...

Purpose: Football is a sport that requires strong player demands. During the workout of improving the endurance are used exercises with or without the ball as well as racing games. In the present study we analyzed the burden of 4 different types of exercise(intermittent without the ball, 8v8 game, 4v4 game, and technical exercises) to determine whi...

The purpose of the present study was to investigate the role of specific warm-up in soccer on 20 m sprint after static and dynamic stretching in a sample of 16 healthy amateur soccer players, aged 21,41±3,28 years. All participants performed on different days and in random order, a warm-up program that included general warm up, static or dynamic st...

The effect of the duration of static stretching as well as that of the number of repetitions in acute stretching protocols on flexibility has not been extensively examined in the elderly. The aim of the present study was to investigate the acute effects of stretching duration on the range of motion (ROM) of the lower extremities and the trunk in el...

The aim of the present study was to assess the acute effect of selected mat Pilates exercises on the lower extremities joint flexibility of female amateur soccer players. Eighteen volunteers, all female amateur soccer players, with a mean age of 25.6±3.5 years old, mean height of 168.3±2.8 cm, mean body mass equal to 66.4±6.2 kg and mean training a...

While athletes routinely perform warm-up and stretching exercise, it has been suggested that static stretching immediately after the low-intensity aerobic exercise might affect negatively the sprint performance. Due to the fact that in soccer athletes performed specific soccer warm-up before the game, the purpose of this study was to examine the co...

The aim of the study was to examine the relationship of the cohesion and the antecedents, which Carron (1982) presents in the conceptual framework of group cohesion, on soccer. Cohesion is a very important psychological factor which is connected to the group and individual performance. Many studies showed the great relationship between the two vari...

: To study the effects of a single soccer game on indices of performance, muscle damage, and inflammation during a 6-day recovery period. : Participants were assigned to either an experimental group (E, played in the game; n = 14) or a control group (C, did not participate in the game; n = 10). : Data were collected on a soccer field and at the Phy...

The aim of the study was to investigate the effect of a muscular training program on soccer players’ performance of which initially appeared imbalances or deficits. The study was conducte on 68 professional soccer players (age, 24.1±5.7 years; weight, 76.8±5.7 kg; height, 1.82±7 cm) participating in the championship of the first Greek national divi...

The purpose of this study was to evaluate the effects of a soccer game on the biochemical profile and the probable time related changes in hepatic and renal function indices. Twenty four players playing in a first division soccer club in Greece were divided into two groups. One group (n=14) was formed by the players that played in the game and the...

The aim of the present study was to determine the relationship between vertical jump performance and the isokinetic strength of the knee extensors in elite soccer players. Thirty-six elite players participated in the present study. The peak jumping height (of the squat and counter movement jumps on an Ergojump device) was used as indicator of verti...

The frequency and the characteristics of injuries in adult and young soccer players were analysed in the present study. Thiry-five adults and 35 young players participated in the national championships and were observed for one season. Eighty-one acute injuries and 9 overuse syndromes were reported. Acute injuries in adult players appeared at a hig...

The aim of the present study was to determine the relationship between vertical jump performance and the isokinetic strength of the knee extensors in professional soccer players at the end of the of the competition period, after the detraining period (before the initiation of the preparatory period) and after the completion of the preparatory perio...