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Daniël M. van Leeuwen, Fabian van de Bunt, Cornelis J. de Ruiter, Natasja M. van Schoor, Dorly J.H. Deeg and Kaj S. Emanuel

Knee osteoarthritis (OA) represents an increasing burden in developed countries ( Arden & Nevitt, 2006 ). Progression of knee OA is usually assessed using radiographic scores such as the Kellgren & Lawrence scale (K&L-score) ( Kellgren & Lawrence, 1957 ). Radiographic scores correlate to some

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Emmanuel Frimpong, Joanne A. McVeigh and Rebecca M. Meiring

sclerosis ( Ickinger & Tikly, 2010 ; Woolf & Pfleger, 2003 ). Knee OA is the most common form of OA accounting for 41% of limb arthritis ( Wood, Brock, Heil, Holmes, & Weusten, 2013 ). Patients with knee OA also have severe knee pain ( van Dijk et al., 2008 ; Wallis, Webster, Levinger, & Taylor, 2013

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Lei Zhou, Marie-Anne Gougeon and Julie Nantel

; Lim, Huang, Wu, Girardi, & Cammisa, 2007 ). PD also leads to changes in gait power profiles at the ankle, knee, and hip, which account for reduction in stride length and gait speed ( Lim et al., 2007 ; Morris, Huxham, McGinley, Dodd, & Iansek, 2001 ; Sofuwa et al., 2005 ; Winter, 1987 ). Growing

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Tsuyoshi Saida, Masayuki Kawada, Daijiro Kuroki, Yuki Nakai, Takasuke Miyazaki, Ryoji Kiyama and Yasuhiro Tsuneyoshi

Knee osteoarthritis (OA) is one of the most common musculoskeletal disorders that cause knee pain and disability in the older population ( Heidari, 2011 ). Many studies have demonstrated that patients with knee OA modify their gait pattern as a strategy to alter the load on the knee joint, decrease

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Seung-uk Ko, Gerald J. Jerome, Eleanor M. Simonsick, Stephanie Studenski and Luigi Ferrucci

whether or how other factors affect gait characteristics among fallers are rare. Chronic musculoskeletal pain in older adults is associated with greater occurrence of falls ( Leveille et al., 2009 ). Specifically, knee pain, which effects approximately a quarter of older adults ( McAlindon, Snow, Cooper

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José Messias Rodrigues da Silva, Marcia Uchoa de Rezende, Tânia Carvalho Spada, Lucila da Silva Francisco, Helenilson Pereira dos Santos, Robson de Andrade Souza, Júlia Maria D'Andréa Greve and Emmanuel Gomes Ciolac

that occurs in almost all physiological systems, knee osteoarthritis (KOA) is one of the most prevalent age-related chronic diseases. One in 4 people over 55 years of age has persistent knee pain, 3 resulting in reduced quality of life, that has a major impact on function and independence, 1

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Britton W. Brewer, Allen E. Cornelius, Judy L. Van Raalte and Howard Tennen

assess pain, negative mood, knee symptoms and functioning, and adversarial growth. An open response format was used to assess the main rehabilitation goal of participants. Ratings of the average amount of pain that participants experienced on a given day were given on a numerical rating scale (NRS) that

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Deborah Hebling Spinoso, Nise Ribeiro Marques, Dain Patrick LaRoche, Camilla Zamfollini Hallal, Aline Harumi Karuka, Fernanda Cristina Milanezi and Mauro Gonçalves

; Vestergaard et al., 2009 ). Hortobagyi et al. ( 2003 ) conducted a seminal study of FD in older adults that compared peak knee joint torques during stair ascent, descent, and chair rise with maximal isometric knee extensor strength obtained from a leg press exercise. The results indicated that whereas young

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Roger J. Paxton, Jeri E. Forster, Matthew J. Miller, Kristine L. Gerron, Jennifer E. Stevens-Lapsley and Cory L. Christiansen

Knee osteoarthritis (OA) is the most common cause of chronic disability in the United States ( Dillon, Rasch, Gu, & Hirsch, 2006 ). To alleviate OA-related knee pain, more than 700,000 total knee arthroplasties (TKAs) are performed annually ( Kurtz, Ong, Lau, Mowat, & Halpern, 2007 ), with more

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Jamie L. Shapiro, Britton W. Brewer, Allen E. Cornelius and Judy L. Van Raalte

The purposes of this study were to investigate patterns of emotional response to reconstructive surgery of the anterior cruciate ligament (ACL) of the knee following sport injury and to examine the extent to which neuroticism differed across patterns of adjustment. Participants were 73 patients (51% recreational athletes, 46% competitive athletes, 3% nonathletes) who had ACL reconstruction surgery and who had low levels of negative mood before surgery. Participants completed measures of personality and negative mood before surgery and completed daily assessments of negative mood for 6 weeks postsurgery. The negative mood of participants was classified into three patterns for two different time periods. Participants with patterns of resilience outnumbered those with patterns of disturbance. Participants with patterns involving mood disturbance one week after surgery had significantly higher presurgery neuroticism levels. Practitioners should target individuals with high neuroticism before surgery for emotion management interventions to prevent mood disturbance following ACL surgery.