2005
DOI: 10.1016/j.clinbiomech.2004.08.004
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Altered hamstring-quadriceps muscle balance in patients with knee osteoarthritis

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Cited by 189 publications
(156 citation statements)
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References 31 publications
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“…These results suggest that muscle strength is required for successful joint stabilization and maintenance of physical functioning. A large body of literature exists demonstrating altered walking patterns (e.g., higher quadriceps and hamstrings activation and less knee excursion) in knee OA patients (3,(5)(6)(7)(8)(9)(10)(11)(12)(13), presumably as a strategy to stabilize the knee joint despite impairments in proprioceptive accuracy and laxity. These altered walking patterns further suggest a key role of the muscles in maintaining knee stability.…”
Section: Knoop Et Almentioning
confidence: 99%
See 1 more Smart Citation
“…These results suggest that muscle strength is required for successful joint stabilization and maintenance of physical functioning. A large body of literature exists demonstrating altered walking patterns (e.g., higher quadriceps and hamstrings activation and less knee excursion) in knee OA patients (3,(5)(6)(7)(8)(9)(10)(11)(12)(13), presumably as a strategy to stabilize the knee joint despite impairments in proprioceptive accuracy and laxity. These altered walking patterns further suggest a key role of the muscles in maintaining knee stability.…”
Section: Knoop Et Almentioning
confidence: 99%
“…Knee OA patients reporting knee instability have more severe activity limitations (2,4) than knee OA patients without this sensation. Self-reported knee instability has been linked to higher pain levels (1), higher rates of falling (1), and altered walking patterns (3,(5)(6)(7)(8)(9)(10)(11)(12)(13), and has been suggested to be a cause of knee OA onset and progression (7,13). Causes of knee instability are still unknown and need to be identified.…”
Section: Introductionmentioning
confidence: 99%
“…Objectively, there is a loss of articular cartilage, visible as a narrowing of the joint space, particularly at the medial side (Hunter et al, 2009), and often accompanied by varus alignment. Other structures are also involved, and clinical investigation often reveals laxity of the knee joint (Lewek et al, 2004) and/or quadriceps weakness (Hortobágyi et al, 2005). Patients with knee pain (Heiden et al, 2009), or effusion (Torry et al, 2000), may alter their muscle activity, as do patients who feel unstable during gait (Schmitt and Rudolph, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…Over the last decade, muscle activation patterns in gait have drawn considerable attention in the knee osteoarthritis literature. It was often reported that patients co-contract longer, co-contract more, or have higher muscle activity during walking than controls (e.g., Benedetti et al, 1999;Briem et al, 2007;Childs et al, 2004;Heiden et al, 2009;Hortobágyi et al, 2005;Hubley-Kozey et al, 2006;Lewek et al, 2003;Rudolph et al, 2001;Schmitt and Rudolph, 2007;Zeni et al, 2009). …”
Section: Introductionmentioning
confidence: 99%
“…Doorenbosch and Harlaar showed that there is increased cocontraction in patients with lesions of the anterior cruciate ligament as compared with healthy control subjects (2). Likewise, differences in muscle activity patterns, including significant increases in co-contraction, have been reported during walking in patients with OA of the knee when compared with age-and sex-matched controls (3,4). We believe that Lewek et al rightly conclude that antagonist muscle co-contraction is used to stabilize the knee joint in the absence of adequate stabilization by the passive restraint system (ligaments and capsule) of the knee.…”
Section: To the Editormentioning
confidence: 73%