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J Sci Med Sport. 2017 Sep;20(9):867-872. doi: 10.1016/j.jsams.2016.12.078. Epub 2017 Jan 24.

The acceleration and deceleration profiles of elite female soccer players during competitive matches.

Author information

1
Research Institute for Sport and Exercise, University of Canberra (UCRISE), Australia; Discipline of Sport and Exercise Science, Faculty of Health, University of Canberra, Australia. Electronic address: jocelyn.mara@canberra.edu.au.
2
Research Institute for Sport and Exercise, University of Canberra (UCRISE), Australia.
3
Research Institute for Sport and Exercise, University of Canberra (UCRISE), Australia; Discipline of Sport and Exercise Science, Faculty of Health, University of Canberra, Australia.
4
Australian Institute of Sport (AIS), Australia.

Abstract

OBJECTIVES:

The aim of this study was to determine the acceleration (≥2ms-2) and deceleration (≤-2ms-2) profiles of elite female soccer players during competitive matches.

DESIGN:

Single cohort, observational study.

METHODS:

An Optical Player Tracking system was used to determine acceleration (≥2ms-2) and deceleration (≤-2ms-2) variables for twelve elite female players across seven competitive matches.

RESULTS:

In total, players performed 423 (±126) accelerations and 430 (±125) decelerations per match. It was shown that the number of accelerations (p=0.003-0.034, partial η2=0.229-321) and decelerations (p=0.012-0.031, partial η2=0.233-275) at different intensities (based on the start and final velocity) varied according to player position. Mean and maximum distance per effort was 1-4m and 2-8m, respectively, and differed between each intensity category (p<0.001, partial η2=0.753-0.908). The mean time between efforts was 14s for both accelerations (±5s) and decelerations (±4s) and fluctuated between 15min time periods (p<0.001, partial η2=0.148-0.206).

CONCLUSIONS:

The acceleration and deceleration profiles varied according to player position and time period of the match. The results of this study can be used to design match-specific acceleration and deceleration drills to enhance change of speed ability.

KEYWORDS:

Change of speed; Football conditioning; Performance analysis; Player tracking; Women’s football

PMID:
28173971
DOI:
10.1016/j.jsams.2016.12.078
[Indexed for MEDLINE]

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