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

responses to sport injury, the main purpose of the current study was to examine longitudinally perceived adversarial growth after a single type of injury—a torn anterior cruciate ligament (ACL)—using a multidimensional measure of adversarial growth. Use of a longitudinal research design afforded the

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Brian Pietrosimone, Adam S. Lepley, Christopher Kuenze, Matthew S. Harkey, Joseph M. Hart, J. Troy Blackburn, and Grant Norte

Anterior cruciate ligament (ACL) injuries are among the most common knee-related injuries sustained by physically active individuals. 1 A recent population study from the United States demonstrated an overall estimated incidence of 69 ACL injuries per 100,000 person years. 2 Younger individuals

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Steven M. Davi, Colleen K. Woxholdt, Justin L. Rush, Adam S. Lepley, and Lindsey K. Lepley

Unresolved alterations in quadriceps neural activity are common after anterior cruciate ligament reconstruction (ACLR) and clinically significant, as depressed neural activity interferes with recovery. 1 – 3 To estimate incomplete neural activation, traditionally, quadriceps activation failure has

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Trevor Kovacs, Joseph Hannon, Sharon Wang-Price, Shiho Goto, Jim Bothwell, Steve Singleton, Lindsey Dietrich, J. Craig Garrison, and Jack Malafronte

Nearly 200,000 anterior cruciate ligament (ACL) tears occur yearly in the United States, with up to 90% resulting in reconstructive surgery. 1 Although various surgical methods and rehabilitation protocols have been utilized with the intention of improving patient outcomes following anterior

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Katherine A.J. Daniels, Eleanor Drake, Enda King, and Siobhán Strike

many field sports 1 and the task most commonly associated with noncontact anterior cruciate ligament (ACL) rupture. 2 – 4 ACL rupture is a common sporting knee injury, often requiring reconstruction surgery (ACL reconstruction, ACLR) and extensive rehabilitation. 5 , 6 In the period from 6 to 12

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Sho Mitomo, Junya Aizawa, Kenji Hirohata, Shunsuke Ohji, Takehiro Ohmi, Toshiyuki Ohara, Hideyuki Koga, and Kazuyoshi Yagishita

Deficits in the knee extension strength of the surgical limb after anterior cruciate ligament reconstruction (ACLR) are a serious problem 1 as they have been associated with poor outcomes such as delayed return to sports, 2 , 3 and an increased risk of reinjury 4 , 5 and knee osteoarthritis. 6

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Salman Nazary-Moghadam, Mahyar Salavati, Ali Esteki, Behnam Akhbari, Sohrab Keyhani, and Afsaneh Zeinalzadeh

Anterior cruciate ligament deficiency (ACLD) is a common sports-related injury commonly followed by knee instability. 1 . Previous studies have shown that mechanical and functional instability of the knee, impaired muscle recruitment, loss of force, muscle atrophy, and impaired neuromuscular

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Rafael Squillantini, Brielle Ringle, and Julie Cavallario

Clinical Scenario Anterior cruciate ligament (ACL) sprains are one of the most common lower extremity injuries within physically active individuals. In the United States alone, approximately 250,000 ACL sprains occur annually. 1 ACL sprains are one of the most costly lower extremity injuries, due

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Tom Williams, Lynne Evans, Angus Robertson, Lew Hardy, Stuart Roy, and Daniel Lewis

Of all the musculoskeletal injuries sustained during sport, a rupture to the anterior cruciate ligament (ACL) is one of the most severe ( Walker et al., 2020 ). Often incurred by young, active individuals for whom a return to unrestricted activity is of primary importance, ACL surgery followed by

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Shelby A. Peel, Lauren E. Schroeder, Zachary A. Sievert, and Joshua T. Weinhandl

Noncontact anterior cruciate ligament (ACL) injuries are traumatic injuries that often occur in sports where running, landing, and cutting are primary movements. 1 Nearly 70% of all ACL injuries are classified as noncontact ACL injuries, 2 meaning there is no direct contact to the knee at the