Effect of Playing Position, Match Half, and Match Day on the Trunk Inclination, G-Forces, and Locomotor Efficiency Experienced by Elite Soccer Players in Match Play

Oliva-Lozano, José M.; Maraver, Elisa F.; Fortes, Víctor; Muyor, José M.

doi:10.3390/s20205814

Cited by 9 publications

(5 citation statements)

References 47 publications

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“…11 However, this pattern was not observed for other external load variables such as distance covered, sprinting distance, total accelerations, or total decelerations. 11 This is also consistent with other investigations, which observed that playing position had no significant effect on the locomotor efficiency (ie, PL TOTAL per meter covered) 28 and that the variance in the PL TOTAL was not significantly explained by the positional role during elite soccer match play. 1 Nevertheless, other researchers also showed that positional differences in PL TOTAL may exist across playing positions.…”

Section: Discussionsupporting

confidence: 89%

Exploring the Use of Player Load in Elite Soccer Players

Oliva-Lozano

Conte

Fortes

et al. 2022

Sports Health: A Multidisciplinary Approach

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Background: The aims of this study were to (1) analyze the distribution of the player load (PLTOTAL) in 3 axes of movement (PLAP, anterior-posterior; PLML, medial-lateral; PLV, vertical) during elite soccer matches, (2) investigate the effect of playing position on PL-related variables, and (3) explore the association between PLTOTAL and distance covered by the players. Hypothesis: Despite different load distribution between axes of movement, PLTOTAL might be used as a body load indicator for all playing positions. Study Design: Longitudinal study. Level of Evidence: Level 3. Methods: Data were collected from elite soccer players using WIMU Pro tracking systems, which included inertial sensors. Results: The axis of movement had a significant effect on the distribution of the load ( P < 0.001; conditional R2 = 0.91), with the greatest contribution from the PLV ( P < 0.001; d = 5.41-5.86). Moreover, no effect of playing position on PLTOTAL, PLV, PLML, or PLAP was observed ( P > 0.05). Finally, a large correlation was found between PLTOTAL and distance covered, and the linear mixed model showed that distance may be predicted by the PLTOTAL (conditional R2 = 0.81; P < 0.001). Conclusion: Differences in load distribution were based on the axis of movement, although playing position had no effect on any variable. The selection of either distance covered, which is representative of a 2-dimensional analysis, or PLTOTAL, which is representative of a 3-dimensional analysis, may be adequate for monitoring locomotor demands or accelerometer-derived load. Clinical Relevance: Training strategies that focus on the vertical component of match play should be adopted. In addition, given that PLTOTAL is an accelerometry-based metric, which combines the accelerations in anterior-posterior, medial-lateral, and vertical planes, strength and conditioning coaches may use this parameter as a measure of total body load.

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Section: Discussionsupporting

confidence: 89%

Exploring the Use of Player Load in Elite Soccer Players

Oliva-Lozano

Conte

Fortes

et al. 2022

Sports Health: A Multidisciplinary Approach

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“…These tracking systems are valid and reliable instruments for tracking physical performance in soccer [ 18 ] and have been certified by the FIFA Quality Program to collect physical performance variables based on position and speed accuracy [ 19 ]. Each device was turned on 30 minutes before each match and calibrated on a Smart Station (RealTrack Systems, Almería, Spain) following the manufacturer’s instructions [ 20 ]. Furthermore, each player wore the same device in every match to reduce inter-unit error [ 4 ].…”

Section: Methodsmentioning

confidence: 99%

Monitoring physical match performance relative to peak locomotor demands: implications for training professional soccer players

Oliva-Lozano¹,

Riboli²,

Fortes³

et al. 2023

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This study aimed to analyse physical performance relative to peak locomotor demands of match play. Data were collected during 13 professional soccer matches. Initially, the 1-minute peak values were registered in each match, including the percentage of the total distance (TD), high-speed running distance (HSRD), sprinting distance (SPD), and high-metabolic load distance (HMLD), and a total of high-intensity accelerations and decelerations (Acc+Dec). Secondly, the time (measured in minutes) spent at different percentage ranges for the 1-minute peak values registered in each match was calculated. Thirdly, the physical performance required in the different percentage ranges for the 1-minute peak values were obtained. Finally, the time and physical performance required above the 90-minute average demands were calculated. The 90-minute average for all playing positions represented ~53% of the total distance (TD), ~23.4% of high-metabolic load distance (HMLD), ~16% of high-speed running distance (HSRD), ~11% of the total of high-intensity accelerations and decelerations (Acc+Dec), and ~6% of sprinting distance (SPD) for the 1-minute peak values. Likewise, statistically significant differences (p < 0.05) in the physical performance and time spent between specific percentage ranges for the 1-minute peak locomotor demands were also noted. In addition, all the variables reported that the physical performance required for above 90-minute average demands were significantly greater (p < 0.05) than the 90-minute average demands. Therefore, these findings may guide the prescription of training intensity by considering the physical performance relative to the peak locomotor demands of match play.

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“…These devices were selected since previous investigations considered them as valid and reliable instruments for the collection of physical performance parameters (Bastida-Castillo et al, 2018) in addition to the approval from the FIFA Quality Programme (FIFA, 2020). Each tracking system was calibrated before the start of the match following the manufacturer's instructions (Oliva-Lozano, Maraver et al, 2020).…”

Section: Methodsmentioning

confidence: 99%

When and how do elite soccer players sprint in match play? A longitudinal study in a professional soccer league

Oliva-Lozano

Fortes

Muyor

2021

Research in Sports Medicine

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The aims of this study were to examine the periods in which the maximum speed actions occurred during elite soccer matches and analyse these actions considering the effect of playing position and different contextual variables. Performance-related variables (V MAX : maximum speed; Vo: starting speed; SPD: sprinting distance; ACC MAX : maximum acceleration; DEC MAX : maximum deceleration) and sprint-related contextual variables (trajectory, ball possession, role, field area in which the action occurred) from each maximum speed action were collected. The first 15 minutes of each match half elicited most maximum speed actions (44.6% of cases), regardless of playing position (likelihood ratio, LR=13.95; p=0.95). However, playing position had a significant effect on the role of the action (Chi-Squared, χ 2 =50.68; p=0.001) and the field area in which the sprint occurred (χ 2 =26.54; p=0.001). Regarding the effect of different contextual variables on the sprint-related performance variables, no significant effect from any contextual variable on ACC MAX , DEC MAX or Vo was found (p > 0.05). Nevertheless, the contextual variables had a significant effect on SPD (from ball possession: sprints without ball > sprints with ball; trajectory: nonlinear sprints > linear sprints; role: offensive sprints > defensive sprints) and V MAX (from ball possession: sprints without ball > sprints with ball; playing position: midfielders < other positions).

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Effect of Playing Position, Match Half, and Match Day on the Trunk Inclination, G-Forces, and Locomotor Efficiency Experienced by Elite Soccer Players in Match Play

Cited by 9 publications

References 47 publications

Exploring the Use of Player Load in Elite Soccer Players

Exploring the Use of Player Load in Elite Soccer Players

Monitoring physical match performance relative to peak locomotor demands: implications for training professional soccer players

When and how do elite soccer players sprint in match play? A longitudinal study in a professional soccer league

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