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Return to Preinjury Function Following Knee Injury

Aaron D. Sciascia, Arthur J. Nitz, Patrick O. McKeon, Jennifer Havens, and Timothy L. Uhl

. Knee injury is a common occurrence in athletics. 15 – 20 However, determining return to preinjury levels of activity following athletic knee injury is challenging as many factors including physical, psychological, and social influences can positively and negatively affect the return-to-play decision

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Differences in Health-Related Quality of Life Among Patients After Knee Injury

Rachel R. Kleis, Janet E. Simon, Michael Turner, Luzita I. Vela, Abbey C. Thomas, and Phillip A. Gribble

Key Points ▸ General health is negatively impacted in patients after knee injury/surgery. ▸ Those with knee injury/surgery have higher body mass index, more general pain, and lower quality of life than those with no knee injury history. ▸ Those with knee surgery history have higher body mass index

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The Impact of Knee Injury History on Health-Related Quality of Life in Adolescent Athletes

Kenneth C. Lam and Jessica G. Markbreiter

Knee injuries are common in interscholastic sports and account for 15.2% of all reported sport-related injuries. 1 , 2 Although ankle sprains are the most commonly reported sport-related injury, 3 knee injuries account for the largest percentage of severe injuries (ie, an injury that causes more

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The Association of Fear-Avoidance Beliefs and Self-Reported Knee Function in Patients With a Knee Injury: A Critically Appraised Topic

Francesca Genoese, Shelby Baez, and Johanna M. Hoch

Clinical Scenario More than 2.5 million athletic injuries present to emergency departments each year, and approximately 700,000 are knee injuries. 1 Common knee injuries that may occur during athletic participation include sprains, strains, contusions, fractures, dislocations, and tendinopathies

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Relationship Between 3 Single-Leg Functional Performance Tests for Netball Noncontact Knee Injury Prevention Screening in Uninjured Female Adult Players

Nicholas C. Clark and Elaine M. Mullally

frequency. 6 Knee injuries represent large proportions of netball lower-limb injuries. 7 , 8 Across netball studies, 50% to 76% of knee injuries are of a noncontact trauma nature. 7 , 9 , 10 Netball anterior cruciate ligament (ACL) and meniscus injuries occur with a frequency of 17.2% to 22.4% and 4.5% to

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Comparison of Frontal and Transverse Plane Kinematics Related to Knee Injury in Novice Versus Experienced Female Runners

Kathryn Harrison, Adam Sima, Ronald Zernicke, Benjamin J. Darter, Mary Shall, D.S. Blaise Williams III, and Sheryl Finucane

condyle of the femur. 12 Given that novice runners are more prone to knee injury than their experienced counterparts and that biomechanical factors in the frontal and transverse plane appear to be related to the development of knee injury, it is possible that novice runners use different movement patterns

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Knee Injury Prevention Attitudes and Practices among High School Coaches

Laura Miele, Carl W. Nissen, Kevin Fitzsimmons, Trudy Lerer, and Garry Lapidus

Injury prevention programs have a positive effect on performance and the reduction of risk in most studies and reviews. However, not all teams and coaches utilize them. In order to better understand this, a 19-item survey was conducted to assess high school coaches’ perceptions, attitudes, and current practices regarding knee injury prevention among adolescent athletes during a mandatory Connecticut certification/re-certification course. The results of the survey show that high school coaches report a wide variability in their attitudes and utilization of training programs related to knee injury prevention. Coaches reported several barriers to employing the programs; the leading issue being time. Future education and outreach efforts should address the barriers in order to increase use of injury prevention training.

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Measures of Lower Body Strength Associated With Injuries in Australian Special Forces Selection Candidates

Tim L.A. Doyle, AuraLea C. Fain, Jodie A. Wills, Daniel Cooper, Kevin Toonen, and Benjamin Kamphius

Special Forces. 30 Preventable lower limb injuries (LLIP) were then further classified as preventable knee injuries (LLIK) for analysis. Statistical Analysis Two 1-way analyses of variance (ANOVA) were conducted to measure relationships between baseline measures of performance and body mass, and (1

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Chronic Ankle Instability Does Not Influence Tibiofemoral Contact Forces During Drop Landings Using a Musculoskeletal Model

Yumeng Li, He Wang, and Kathy J. Simpson

tissues (eg, ligament laxity). 6 Though conflicting results have been reported, alterations in biomechanics of CAI have been observed for the ankle, 2 , 7 , 8 knee, 9 – 11 and hip joint 12 during landings. Previous studies also investigated the influence of ankle sprains on knee injury mechanisms. Two

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Clinical Assessment of Drop-Jump Landing for Determination of Risk for Knee Injury

Nelson Cortes and James Onate


Clinical assessment tools are needed to identify individual athletes who possess elevated risk for anterior cruciate ligament injury. Existing methods require expensive equipment and the investment of a large amount of time for data processing, which makes them unfeasible for preparticipation screening of a large number of athletes.


To assess the extent of agreement between LESS and the iLESS classifications of jump landing performance and the level of agreement between ratings assigned by a novice evaluator and an expert evaluator.


Ratings of drop-jump landings from 20 video recordings of NCAA Division I collegiate athletes, which were randomly selected from a large database.


The dichotomous iLESS score corresponded to the dichotomous classification of LESS score for 15 of 20 cases rated by the expert evaluator and 17 of 20 cases rated by the novice evaluator. For the iLESS, only 2 scores out of 20 differed between the evaluators.


A high level of agreement was observed between the LESS and iLESS methods for classification of jump- landing performance. Because the iLESS method is inexpensive and efficient, it may prove to be valuable for preparticipation assessment of knee injury risk.