Effect of COVID-19 on Injury Rates and Timing in the National Football League

Omari, Ali M; Paul, Ryan W.; Fliegel, Brian; Osman, Alim; Bishop, Meghan E.; Erickson, Brandon J.; Alberta, Frank G.

doi:10.1177/23259671221098749

Cited by 10 publications

(16 citation statements)

References 28 publications

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“…Studies performed by Bailey (2,3,30,35). These studies suggest an increased incidence of injury compared with previous seasons unaffected by 3,30,35). However, Platt et al (32) analyzed the 2020 NFL regular season and found no change in overall incidence of injury or incidence of injury by player position compared with previous seasons.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, limited literature has been published looking at the effects of COVID-19 on NFL injury rates (1)(2)(3)(30)(31)(32)35). Studies performed by Bailey (2,3,30,35).…”

Section: Introductionmentioning

confidence: 99%

“…Recently, limited literature has been published looking at the effects of COVID-19 on NFL injury rates (1)(2)(3)(30)(31)(32)35). Studies performed by Bailey (2,3,30,35). These studies suggest an increased incidence of injury compared with previous seasons unaffected by 3,30,35).…”

Section: Introductionmentioning

confidence: 99%

“…Recently, limited literature has been published looking at the effects of COVID-19 on NFL injury rates (1–3,30–32,35). Studies performed by Bailey et al, Omari et al, and Sclafani et al have looked at the effects of COVID-19 on the 2020 regular season, and Baker et al at the first 4 weeks of the 2020 NFL regular season (2,3,30,35). These studies suggest an increased incidence of injury compared with previous seasons unaffected by COVID-19 (2,3,30,35).…”

Section: Introductionmentioning

confidence: 99%

“…Studies performed by Bailey et al, Omari et al, and Sclafani et al have looked at the effects of COVID-19 on the 2020 regular season, and Baker et al at the first 4 weeks of the 2020 NFL regular season (2,3,30,35). These studies suggest an increased incidence of injury compared with previous seasons unaffected by COVID-19 (2,3,30,35). However, Platt et al (32) analyzed the 2020 NFL regular season and found no change in overall incidence of injury or incidence of injury by player position compared with previous seasons.…”

Section: Introductionmentioning

confidence: 99%

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Effects of COVID-19 on Rate of Injury and Position-Specific Injury During the 2020 National Football League Season

Costello,

Wagner,

Dahl

et al. 2023

Journal of Strength and Conditioning Research

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Costello II, JP, Wagner, JD, Dahl, VA, Cohen, JL, Reuter, AM, and Kaplan, LD. Effects of COVID-19 on rate of injury and position-specific injury during the 2020 National Football League season. J Strength Cond Res XX(X): 000–000, 2023—Because of the COVID-19 pandemic, the National Football League (NFL) made changes to its operations for the 2020 season. We hypothesize an increase in the rate of injuries during the 2020 season. Publicly available data were reviewed to identify NFL injuries from the 2015–2020 seasons. Player position, description of injury, date of injury, and injury setting were recorded. p ≤ 0.05 was considered statistically significant. For the 2020 season, compared with the 2015–2019 seasons, there was an increased risk of injury during the regular season overall relative risk (RR) = 1.308 (p < 0.05), week (W)1 RR = 7.33 (p < 0.05), W1–6 RR = 1.964 (p < 0.05), W7–12 RR = 1.8909 (p < 0.05), and during the postseason overall RR = 1.1444 (p < 0.05), calculated using analysis of variance. There was an overall increased risk of abdominal or core injuries RR = 1.248 (p < 0.05), groin or hip injuries RR = 2.534 (p < 0.05), and hamstring injuries RR = 3.644 (p < 0.05). There was an increased risk of hamstring injuries in cornerbacks RR = 3.219 (p < 0.05) and running backs RR = 1.1394 (p < 0.05), hip or groin injuries in guards RR = 1.105 (p < 0.05), Achilles tendon injuries in safeties RR = 1.6976 (p < 0.05), quadriceps injuries in running backs RR = 1.6191 (p < 0.05), and arm injuries in defensive tackles RR = 1.221 (p < 0.05). There was an increase in the overall rate of injuries in the 2020 NFL season, both in the regular season and postseason, compared with the 2015–2019 seasons. The overall rate of abdominal or core, groin or hip, and hamstring injuries increased. Specific player positions saw unique increases in rates of injuries. These findings may be due to numerous operational changes implemented, such as reduced in-person training and the elimination of the preseason, leading to suboptimal, sports-specific conditioning and increased risk of musculoskeletal injury.

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Section: Introductionmentioning

confidence: 99%

“…Recently, limited literature has been published looking at the effects of COVID-19 on NFL injury rates (1)(2)(3)(30)(31)(32)35). Studies performed by Bailey (2,3,30,35).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of COVID-19 on Rate of Injury and Position-Specific Injury During the 2020 National Football League Season

Costello,

Wagner,

Dahl

et al. 2023

Journal of Strength and Conditioning Research

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Combined ACLR and lateral extra‐articular tenodesis with a continuous iliotibial band autograft is a viable option in a population of athletes who participate in pivoting sports

Lutz,

Casin,

Pioger

et al. 2024

Knee surg. sports traumatol. arthrosc.

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PurposeThe aim of this study was to evaluate the clinical results, return to sport and complications after anterior cruciate ligament reconstruction (ACLR) associated with lateral extra‐articular tenodesis using continuous plasty with an iliotibial band.MethodsThis was a prospective multicentre study involving 186 patients who had surgery for anterior cruciate ligament (ACL) rupture. Patients with multiligament ruptures and revision surgery were excluded from the study. All patients included were involved in pivoting sports and wished to resume their activity after surgery. Patients were assessed at a minimum 2‐year follow‐up using functional and psychological questionnaires (subjective International Knee Documentation Committee [IKDC], Tegner, Lysholm and ACL‐RSI scores), ligament assessment including instrumented laxity measurement (Rolimeter), Lachman test and pivot shift and isokinetic testing. Return to sport was assessed using a questionnaire, and complications and repeat surgeries were recorded.ResultsAt a mean follow‐up of 43.1 months, the subjective IKDC, Lysholm, ACL‐RSI and objective IKDC scores were significantly improved (59.8 vs. 94.5 p < 0.0001, 75 vs. 99 p < 0.0001, 60 vs. 93 p < 0.0001, IKDC A 0% vs. 72%, B 12% vs. 27%, C 60% vs. 1% D 28% vs. 0% p < 0.0001). The Tegner activity level was 9 (3–10) before the accident and 9 (3–10) at the last review. Seventy‐six percent of the patients had returned to sports at the same level. The differential laxity was 6.6 mm (±1.7) preoperatively and 1.1 mm (±1.4) postoperatively. Additionally, 97% were equal in pivot shift at the last follow‐up. At the 6‐month isokinetic assessment, the muscle strength recovery for the quadriceps and hamstring was over 85% compared with the healthy side for 79% and 70% of the patients, respectively. Ten patients had graft rupture (5.6%). Four (2.4%) patients had a contralateral ACL rupture, and seven (4%) underwent a reoperation with meniscectomy.ConclusionAnterior ligament reconstruction with lateral extra‐articular tenodesis using a continuous strip of iliotibial band enables 76% of patients in a population with a high demand for sports to resume their activities at the same level. The clinical results and complication rates, particularly reruptures (5.6%), were similar to those of other techniques involving lateral extra‐articular tenodesis.Level of EvidenceLevel II.

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Increased rate of injuries to the anterior cruciate ligament in amateur soccer players after the COVID-19 pandemic lockdown

Memmel,

Krutsch,

Weber

et al. 2024

Arch Orthop Trauma Surg

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The COVID-19 pandemic led to the discontinuation of soccer activities at all levels of play. Injuries to the anterior cruciate ligament (ACL) are still one of the most severe injuries in soccer. The aim of this investigation was to analyze the changes in the incidence and mechanism of ACL injuries in professional and amateur soccer before and after the lockdown period. Injury data were prospectively collected using the database ‘ACL registry in German soccer’. Between 2019 and 2021, 10 matches in professional, semi-professional, and amateur leagues before and after the lockdown were analyzed for the incidence and mechanism of ACL injuries. Data were collected using standardized and recently published study methods. Mean incidence of the 84 ACL injuries recorded during the study period was 0.083 injuries per 1000 h of exposure before and 0.079 injuries per 1000 h of exposure after the lockdown period (p = 0.699). In amateur soccer, the incidence of ACL injuries increased significantly from 0.058 injuries per 1000 h of exposure before to 0.128 injuries per 1000 h of exposure after the lockdown period (p = 0.026), in contrast to professional (p = 0.436) and semi-professional (p = 0.802) soccer. The predominant mechanisms of ACL injuries were non-contact injuries (pre-COVID: 59.1%; post-COVID: 57.7%) and indirect contact injuries (pre-COVID: 31.8%; post-COVID: 30.8%). The absence from training and match practice in German soccer during the COVID-19 lockdown led to a significantly increased ACL injury rate in amateur leagues, while in professional and semi-professional soccer no differences were reported. The mechanism of ACL injuries did not change after the lockdown period.Level of evidence: II.

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Effect of COVID-19 on Injury Rates and Timing in the National Football League

Cited by 10 publications

References 28 publications

Effects of COVID-19 on Rate of Injury and Position-Specific Injury During the 2020 National Football League Season

Effects of COVID-19 on Rate of Injury and Position-Specific Injury During the 2020 National Football League Season

Combined ACLR and lateral extra‐articular tenodesis with a continuous iliotibial band autograft is a viable option in a population of athletes who participate in pivoting sports

Increased rate of injuries to the anterior cruciate ligament in amateur soccer players after the COVID-19 pandemic lockdown

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