The relationship between previous hamstring injury and the concentric isokinetic knee muscle strength of irish gaelic footballers

O’Sullivan, Kieran; O'Ceallaigh, Brian; O’Connell, Kevin; Shafat, Amir

doi:10.1186/1471-2474-9-30

Cited by 40 publications

(51 citation statements)

References 32 publications

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“…ehabilitation and prevention strategies for hamstring injuries have focused on muscle strength and flexibility, 5,16,45 with more recent investigations and recommendations suggesting that neuromuscular control 32,49 and sports-specific skills and balance may also be important. 39 Isokinetic dynamometry is commonly used to assess quadriceps and hamstring muscle strength as a potential risk factor for future injury or for residual deficits following hamstring injuries.…”

mentioning

confidence: 99%

Selective Strength Loss and Decreased Muscle Activity in Hamstring Injury

Sole

Milosavljevic²,

Nicholson³

et al. 2011

J Orthop Sports Phys Ther

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mentioning

confidence: 99%

Selective Strength Loss and Decreased Muscle Activity in Hamstring Injury

Sole

Milosavljevic²,

Nicholson³

et al. 2011

J Orthop Sports Phys Ther

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“…In a two year follow-up in a cohort of ACL injured individuals, Grindem et al demonstrated that many individuals (23% to 35%) continued to have knee flexion and extension strength deficits with percentages of individuals with deficits similar to the current study or higher. O'Sullivan and colleagues assessed isokinetic strength in a group of Gaelic footballers who had previously suffered hamstring injuries [37]. The Gaelic footballers' previous injured extremity had significantly lower hamstrings/quadriceps strength ratios and weaker hamstrings when matched for limb dominance.…”

Section: Discussionmentioning

confidence: 99%

“…It is not unusual to see persistent deficits in strength following injury. For example, previous injury to the meniscus, the hamstrings musculature, and the anterior cruciate ligament (repaired or conservatively managed) results in persistence strength deficits in a significant percentage of individuals [35][36][37]. Stensrud et al examined individuals with degenerative meniscal tears and demonstrated significant side-to-side deficits in quadriceps strength and with half of the group demonstrating significant "clinically relevant impairments" (greater than 10%) [35].…”

Section: Discussionmentioning

confidence: 99%

“…Full recovery from injury is essential for safe performance of missions and participation in physical training. Inadequate recovery may be evident in strength deficits and could potentially predispose the Operator to future injury [35][36][37][38][39][40]. The purpose of this study was to examine isokinetic knee and shoulder strength of previously injured Operators who had returned to full duty.…”

Section: Introductionmentioning

confidence: 99%

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Isokinetic strength of fully operational U.S. Navy Seals with a previous history of shoulder and knee injury

Sell¹,

Clark²,

Abt³

et al. 2016

IES

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Abstract. BACKGROUND:Unintentional musculoskeletal injury has a significant impact on military personnel which is amplified in U.S. Navy Sea, Air, and Land Operators who participate in year round physical and tactical training. Full recovery from injury including restoration of strength is necessary for safe participation in training and performance of missions. Inadequate recovery may predispose the Operator to risk of future injury. OBJECTIVE: The purpose of this study was to examine isokinetic knee and shoulder strength of previously injured Operators who had returned to full duty. METHODS: Two previously injured cohorts, a knee injury group (n = 46) and a shoulder injury group (n = 55), were created from a larger group of Operators (n = 305) who had undergone strength testing. A comparison cohort was also created from each injury group (knee injury control group (n = 77) and shoulder injury control group (n = 121). All participants underwent isokinetic strength testing of their group assigned joint. This included knee flexion/extension strength testing for the knee group and shoulder internal/external rotation strength testing for the shoulder group. Side-to-side comparisons were made within each injury group and to the control group (injured extremity to strongest extremity of the control group). Individual counts within the injured Operators with strength deficits greater than 10% in their injured extremity were also performed. RESULTS: No significant side-to-side or between group differences were observed for the knee injury group. No significant side-to-side or between group differences were observed except for shoulder external rotation strength which was significantly different between groups (p = 0.003). Side-to-side strength deficits greater than 10% were observed in 20 to 25% of the injured Operators. CONCLUSION: The group comparisons demonstrate the effectiveness of the military group's rehabilitation and performance training programs, but continued vigilance and tracking of injured individuals are necessary to insure full recovery and return to duty as a small number of each injured cohort did have strength deficits bilaterally.

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“…Atualmente, a medida de força muscular tem sido utilizada para otimizar os resultados de atletas em competições e avaliar o balanço muscular tanto em atletas e indivíduos não atletas. O balanço muscular, determinado pela razão entre a musculatura agonista e a antagonista de cada movimento, é um elemento importante para a eficiência da movimentação articular; o conhecimento desse parâmetro tem sido utilizado em programas de prevenção de lesões musculares, tendíneas e articulares (7)(8)(9)(10) . A mensuração da força muscular pode ser realizada a partir de métodos que utilizem diferentes modos de contração: isométrica, isocinética e isotônica.…”

Section: Introductionunclassified

Avaliação isocinética da força muscular em atletas profissionais de futebol feminino

Neto¹,

Simões²,

Neto³

et al. 2010

Rev Bras Med Esporte

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Força muscular é uma variável comprovadamente importante de ser avaliada não somente para obter bom desempenho na prática de esportes, como também para identificar indivíduos que possam estar em um grupo de risco para lesões musculoesqueléticas. Poucos estudos descrevem valores de força para diferentes articulações em atletas de elite do futebol feminino. O objetivo deste estudo é descrever esses valores. Para isso, 23 atletas da seleção brasileira de futebol feminino, em preparação para as Olimpíadas de 2004, foram avaliadas nos movimentos de flexo-extensão de tronco, rotação interno-externa do quadril e flexo-extensão dos joelhos no dinamômetro isocinético Cybex 6000 (Lumex Inc. Ronkonkoma, NY). Foram encontrados os valores médios de torque máximo, expressos em Nm: rotação interna do quadril: 23,1; rotação externa do quadril: 25,6; flexão de tronco: 213,2; extensão de tronco: 267,7; extensão de joelho: 181,4; flexão de joelho: 102,0. Os valores encontrados devem ser considerados quando o indivíduo testado equivaler ao grupo estudado.

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The relationship between previous hamstring injury and the concentric isokinetic knee muscle strength of irish gaelic footballers

Cited by 40 publications

References 32 publications

Selective Strength Loss and Decreased Muscle Activity in Hamstring Injury

Selective Strength Loss and Decreased Muscle Activity in Hamstring Injury

Isokinetic strength of fully operational U.S. Navy Seals with a previous history of shoulder and knee injury

Avaliação isocinética da força muscular em atletas profissionais de futebol feminino

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