Browsing by Author "De Lange, Menanto"

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    Locomotor demands and injury incidence of match play in a South African Premier Soccer League team.
    (Stellenbosch : Stellenbosch University, 2024-03) De Lange, Menanto; Kraak, Wilbur Julio; De Waal, Simon; Stellenbosch University. Faculty of Medical and Health Sciences. Dept. of Exercise, Sport and Lifestyle Medication.
    ENGLISH ABSTRACT: This study aimed to assess locomotor demands and analyse injuries during match play in a South African Premier Soccer League (PSL) team across three competitive seasons. Data were collected from 38 professional soccer players (age 25.5 ± 4.8 years, height 176.9 ± 6.0 cm, weight 72.5 ± 9.3 kg) of a PSL club. Match locomotor and injury data was collected for six matches played in (2019/2020) as well as 62 matches played over two full soccer seasons (31 in 2020/2021 and 31 in 2021/2022). All match locomotor data was captured by 10-Hz global positioning systems (GPS) hardware with total distance (TD), high-speed running (HSR), sprint distance (SD), total actions (TA), accelerations (ACC), decelerations (DEC), maximal velocity (MV), TD/min, HSR/min, SD/min, and TA/min being analysed. All injuries were recorded and diagnosed following the Orchards Sports Injury and Illness Classification system. Injury incidence was reported per 1000 hours of exposure. Team match load metrics were: TD (10045 ± 813 m), HSR (1563 ± 520 m), SD (308 ± 214 m), TA (77 ± 23), ACC (31 ± 11), DEC (46 ± 14), MV (29.7 ± 2.7 km/h), TD/min (104.9 ± 8.7 m/min), HSR/min (16.3 ± 5.5 m/min), SD/min (3.2 ± 2.2 m/min), and TA/min (0.8 ± 0.2). Locomotor demands differed between playing positions for all GPS variables measured (p=<0.01). For variables SD, TD/min, SD/min, and TA/min there was a change in locomotor demands when comparing 1st and 2nd half (p=<0.01). A total of 24 injuries were recorded with the overall injury incidence of 22/1000 hours of match play with defenders suffering the highest injury rate. The locomotor demands and injury incidence in this SA PSL team is similar to international standards. However higher match locomotor outputs and lower injury incidence were reported than previously in the PSL. Forwards had higher match outputs for all variables than midfielders and defenders, which is differed with previous studies in Europe. This study provides a better understanding of locomotor demands and injury incidence in a South African PSL team which could be used to optimise performance and injury prevention in future.