19 Dec FSI Football Science Update
Effects of match contextual factors on internal and external load in elite Brazilian professional soccer players through the season.
Aquino R(1), Guimarães R(2)(3), Junior GOC(2), Clemente FM(4)(5)(6), García-Calvo T(7), Pulido JJ(8), Nobari H(9)(10)(11), Praça GM(12).
Sci Rep. 2022 Dec 9;12(1):21287. doi: 10.1038/s41598-022-25903-x
This study on 22 elite Brazilian professional soccer players during 38 matches, over the 2021 season of the Brazilian National 1st Division League found that (i) matches played against weak opponents presented greater values of sprinting distances compared to matches against intermediate and strong opponents; (ii) players covered greater high-intensity running distances when drawing than winning the matches; (iii) mean speed relative to effective playing time differed with different coaches and correlated with positional attack sequences.
Alterations in biceps femoris long head fascicle length, Eccentric hamstring strength qualities and single-leg hop distance throughout the ninety minutes of TSAFT90 simulated football match.
Yagiz G(1), Dayala VK(1), Williams K(1), Owen JA(1), Kubis HP(1).
PLoS One. 2022 Dec 9;17(12):e0278222. doi: 10.1371/journal.pone.0278222. eCollection 2022
The occurrence of HSIs increases in the last fifteen minutes of both halves of football matches and shows an incremental trend towards the end of the ninety minutes. This study applied a ninety minutes of football simulation to 15 physically active participants finding large decrements immediately after the intervention in eccentric hamstrings strength and single-leg hip bridge performance.
Ability to return to sports after early lateral ligament repair of the ankle in 147 elite athletes.
Hong CC(1)(2), Calder J(3)(4).
Knee Surg Sports Traumatol Arthrosc. 2022 Dec 8. doi: 10.1007/s00167-022-07270-2
Influence of different playing styles among the top three teams on action zones in the World Cup in 2018 using a Markov state transition matrix.
Liu T(1), Zhou C(1), Shuai X(1), Zhang L(1)(2), Zhou J(3), Yang L(1)(4).
Front Psychol. 2022 Nov 18;13:1038733. doi: 10.3389/fpsyg.2022.1038733. eCollection 2022
Hamstring injury rates have increased during recent seasons and now constitute 24% of all injuries in men’s professional football: the UEFA Elite Club Injury Study from 2001/02 to 2021/22.
Ekstrand J, Bengtsson H, Waldén M, et al.
British Journal of Sports Medicine Published Online First: 06 December 2022. doi: 10.1136/bjsports-2021-105407