Effects of home confinement due to COVID‐19 pandemic on eccentric hamstring muscle strength in football players

Moreno-Pérez, Víctor; Coso, Juan Del; Romero-Rodríguez, Daniel; Marcé-Hernández, Luis; Peñaranda, Marcelo; Madruga-Parera, Marc

doi:10.1111/sms.13768

Cited by 22 publications

(25 citation statements)

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“…In fact, it was predicted that, when resuming soccer competition after the lockdown, professional players of LaLiga would experience physical challenges similar to the ones they usually undergo during the first official matches of the season (i.e., a progressive increase in running performance during the first official matches ( Souza et al, 2020 )) because the lockdown was long enough to expect detraining effects ( Pereira et al, 2020 ). This scenario was predicted with the data at that time which indicated muscle weakness induced by the lockdown ( Moreno-Pérez et al, 2020 ) despite staff and soccer players trying to maintain their soccer-specific physical condition by training at home. However, this potential scenario did not materialise because the Spanish soccer authorities ensured players’ health and safety and established regulations that avoided excessive fatigue while aiding soccer performance ( Herrero-Gonzalez et al, 2020 ).…”

Section: Discussionmentioning

confidence: 88%

“…Despite the effort of the teams’ staff, the inclusion of high-intensity running actions depended on the conditions of home confinement for each player. For this reason, the execution of soccer-specific displacements such as accelerations/decelerations, sprints, and changes of direction were difficult to perform at home for most players ( Moreno-Pérez et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

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Running Patterns in LaLiga Before and After Suspension of the Competition Due to COVID-19

et al. 2021

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In the first wave of the COVID-19 outbreak (spring 2020), the first division of professional soccer in Spain (LaLiga) was suspended for 12 weeks as part of the lockdown imposed by the Spanish health authorities. Professional soccer players were confined to home for 8 weeks and then a retraining period of 4 weeks was set before the first competitive match. When competition was resumed, professional soccer teams competed in a congested calendar (11 matchdays in 39 days) while some in-game regulations were altered (up to 5 substitutions, refreshment pauses). The current research presents an analysis of running patterns before suspension and after resumption of LaLiga to determine how the lockdown affected players’ physical performance. To aid in this purpose, a pairwise comparison was performed of running patterns of the 2019–2020 vs. 2018–2019 season (i.e., control season). Using a two-way ANOVA (season x matchday), it was found that there was no main effect of the season on total running distance per match (P = 0.288) nor in the distances covered < 14.0 km/h (P = 0.294), at 21.0–23.9 km/h (P = 0.266), and at ≥ 24.0 km/h (P = 0.112). Only the distance at 14.0–20.9 km/h was affected by the season (P = 0.019) with a lower running distance on matchday 34 in the 2019–2020 vs. 2018–2019 season. The number of substitutions (from 2.9 to 4.5 substitutions per game; P < 0.001) and match duration (96 vs. 100 min; P < 0.001) significantly increased after resumption respect to the previous season. These data suggest that high-intensity running performance of professional soccer teams was maintained after the resumption of the competition while the alterations likely aided in the in-game regulations facilitated the maintenance of soccer physical performance.

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Section: Discussionmentioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Running Patterns in LaLiga Before and After Suspension of the Competition Due to COVID-19

et al. 2021

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“…In this context, professional female athletes reduced their training volume more during quarantine (76%) than professional males (74%). Recently, one study found that a group of semi-professional male football players reduced hamstring muscle strength following 25 days of home confinement due to the COVID-19 lockdown [ 39 ].…”

Section: Discussionmentioning

confidence: 99%

Effects of Home Confinement on the Intensity of Physical Activity during the COVID-19 Outbreak in Team Handball According to Country, Gender, Competition Level, and Playing Position: A Worldwide Study

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Bouhafs

Bragazzi³

et al. 2021

IJERPH

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This study investigated effects of home confinement on physical activity (PA) in Team Handball during the COVID-19 outbreak. A total of 1359 handball players participated (age: 23 ± 6 years). Participants from Europe, Western Asia, and North Africa answered an online version of the International Physical Activity Questionnaire (IPAQ) considering “before” and “during” confinement. COVID-19 home confinement has had a negative effect on PA (vigorous, moderate, walking, and overall). The largest decrease was in the sum parameter “all PA” (MET (metabolic equivalent of task)-minutes/week, ηp2 = 0.903; minutes/week, ηp2 = 0.861). Daily sitting time increased from 2.7 to 5.0 h per weekday (p < 0.001, ηp2 = 0.669). For gender, continent, country, level of handball league, and playing position, no significant differences (group and interaction effects) were observed. The largest change in PA behavior was in walking (minutes per day: ηp2 = 0.755), with males displaying the greatest decrease (from 62 ± 11 to 30 ± 14 min per weekday; d = 2.67). In terms of magnitude, difference between genders was greatest for sitting time (difference in d = 1.20). In conclusion, while COVID-19 measures were essential to preserve public health, PA was compromised and sedentary behavior increased because of these public health measures regardless of gender, playing position, and competition level.

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“…Several researchers have suggested negative effects of self-isolation following the COVID-19 lockdown (Mohr et al, 2020;Sarto et al, 2020), suggesting that it may result in lower training volume and quality, and in turn, decreased physical fitness (Girardi et al, 2020;Sarto et al, 2020). Indeed, a number of studies have reported reduced physical activity (Xiang et al, 2020;Zheng et al, 2020) and training hours during the COVID-19 lockdown (Mon-López et al, 2020;Zinner et al, 2020), and there are already findings of decreased cycling performance in cyclists (Muriel et al, 2020) and reduced hamstring strength in football players (Moreno-Pérez et al, 2020). However, some have presented the potential of maintaining physical fitness in multidisciplinary sports such as football, by performing circuitbased training (Latella and Haff, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Thus, we had the opportunity to investigate whether a change in prescribed training designed to limit COVID-19 infection during lockdown (home-based, group based, and without normal football play), could preserve 1RM partial squat strength, counter movement jump (CMJ) and 15 m sprint time. To the authors' knowledge, the effect of COVID-19 related training adjustments on strength and strength derivatives is only available in male football players (Cohen et al, 2020;Moreno-Pérez et al, 2020). Thus, the aim of our study was to assess the effects of a prescribed unsupervised 12-week home-and groupbased training program without gym facilities on 1RM partial squat strength, CMJ and 15 m sprint time in female high-level football players during a period without full contact football training.…”

Section: Introductionmentioning

confidence: 99%

Maximal Strength, Sprint, and Jump Performance in High-Level Female Football Players Are Maintained With a Customized Training Program During the COVID-19 Lockdown

et al. 2021

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IntroductionThe COVID-19 outbreak with partial lockdown has inevitably led to an alteration in training routines for football players worldwide. Thus, coaches had to face with the novel challenge of minimizing the potential decline in fitness during this period of training disruption.MethodsIn this observational pre- to posttest study involving Norwegian female football players (18.8 ± 1.9 years, height 1.68 ± 0.4 m, mass 61.3 ± 3.7 kg), we investigated the effects of a prescribed home-based and group-based intervention, implemented during the COVID-19 lockdown, on maximal muscular force production and high velocity variables. Specifically, maximal partial squat strength one repetition maximum (1RM), counter movement jump (CMJ) and 15 m sprint time were assessed 1 week prior to the lockdown and 12 weeks after the onset of lockdown. We also collected training content and volume from the prescribed training program and self-reported perceived training quality and motivation toward training.ResultsWe observed no change in 1RM [pretest: 104 ± 12 kg, posttest: 101 ± 11 kg (P = 0.28)], CMJ height [pretest: 28.1 ± 2.3 cm, posttest: 26.8 ± 1.9 (P = 0.09)], and 15 m sprint time [pretest: 2.60 ± 0.08 s, posttest: 2.61 ± 0.07 s (P = 0.52)].ConclusionOur findings suggest that a prescribed home-based and group-based intervention with increased training time devoted to strength, jump, and sprint ability, and regulated to obtain a sufficient infection control level is feasible and effective to preserve strength, jumping, and sprinting abilities of high-level female football players during a ∼ 3-month period of a pandemic-induced lockdown.

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Effects of home confinement due to COVID‐19 pandemic on eccentric hamstring muscle strength in football players

Cited by 22 publications

References 13 publications

Running Patterns in LaLiga Before and After Suspension of the Competition Due to COVID-19

Running Patterns in LaLiga Before and After Suspension of the Competition Due to COVID-19

Effects of Home Confinement on the Intensity of Physical Activity during the COVID-19 Outbreak in Team Handball According to Country, Gender, Competition Level, and Playing Position: A Worldwide Study

Maximal Strength, Sprint, and Jump Performance in High-Level Female Football Players Are Maintained With a Customized Training Program During the COVID-19 Lockdown

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