Ryan Zarzycki
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Rethinking Lower Extremity Limb Dominance: A Comparison of Performance-Based and Self-Selected Measures Open
Background: Limb dominance implies preferential or asymmetrical performance between limbs. There is currently no consensus regarding limb dominance definition for the lower extremity. Previous work described several methods of subjective r…
Determining the safety, feasibility, and effects of anodal transcranial direct current stimulation on corticospinal excitability and quadriceps performance after anterior cruciate ligament reconstruction: a randomized crossover design Open
ClinicalTrials.gov ID: NCT04504344.
Dominant Arm Internal and External Rotation Strength is Related to Arm Pain in Youth Baseball Players Open
Background and Purpose The prevalence of arm pain in youth baseball players is high with approximately half reporting arm pain during the season, and the number of ulnar collateral ligament reconstructions in youth baseball players is incr…
Exploring the brain after ACL reconstruction: examination of neurophysiological and psychological factors during the course of post-operative rehabilitation Open
"Rupture of the anterior cruciate ligament (ACL) is a devastating injury affecting approximately 250,000 individuals each year in the United States. Upwards of 130,000 anterior cruciate ligament reconstructions (ACLR) are performed each ye…
Sex differences in corticospinal excitability and quadriceps performance after anterior cruciate ligament reconstruction Open
Anterior cruciate ligament (ACL) ruptures result in lasting quadriceps dysfunction that contributes to secondary injury risk and development of osteoarthritis. There is evidence of persistent reduced nervous system drive (corticospinal exc…
Postoperative considerations based on graft type after anterior cruciate ligament reconstruction a narrative review Open
Targeted strengthening interventions to address muscle weakness following graft harvest in autografts should be continued throughout the rehabilitation process. Lingering deficits in quadriceps strength symmetry may also influence time to …
View article: Female Athletes With Better Psychological Readiness Are at Higher Risk for Second ACL Injury After Primary ACL Reconstruction
Female Athletes With Better Psychological Readiness Are at Higher Risk for Second ACL Injury After Primary ACL Reconstruction Open
Background: Approximately 1 in 4 athletes returning to sports will sustain a second anterior cruciate ligament (ACL) injury. Psychological factors related to kinesiophobia, confidence, and psychological readiness are associated with second…
Descriptive trunk kinematics in healthy collegiate women's soccer players indicate trunk center of mass is laterally positioned prior to decelerating and cutting Open
Level II.
Linking Pain and Motor Control: Conceptualization of Movement Deficits in Patients With Painful Conditions Open
When people experience or expect pain, they move differently. Pain-altered movement strategies, collectively described here as pain-related movement dysfunction (PRMD), may persist well after pain resolves and, ultimately, may result in al…
047 Soccer players who rupture their ACL demonstrate biomechanical risk factors while decelerating: a prospective cohort study Open
Background Many non-contact anterior cruciate ligament (ACL) injuries amongst women's soccer players occur during a deceleration manoeuvre. Retrospective video analysis of ACL injuries has demonstrated that players are often in knee valgus…
View article: Association of the Psychological Response to the ACL-SPORTS Training Program and Self-reported Function at 2 Years After Anterior Cruciate Ligament Reconstruction
Association of the Psychological Response to the ACL-SPORTS Training Program and Self-reported Function at 2 Years After Anterior Cruciate Ligament Reconstruction Open
Background: Psychological readiness to return to sport has emerged as an important factor associated with outcomes after anterior cruciate ligament reconstruction (ACLR). Psychological factors are potentially modifiable during the course o…
DOES GEOGRAPHICAL REGION IMPACT PARENTS’ PERCEPTIONS TOWARDS YOUTH SPORT SPECIALIZATION? Open
Background: Two billion U.S. healthcare dollars are spent on youth sports injuries each year. This staggering figure is projected to increase as athletes are sustaining more sport-related injuries and are specializing in a single sport at …
Biomechanical Changes During a 90º Cut in Collegiate Female Soccer Players With Participation in the 11+ Open
Background Valgus collapse and high knee abduction moments have been identified as biomechanical risk factors for ACL injury. It is unknown if participation in the 11+, a previously established, dynamic warm-up that emphasizes biomechanica…
BIOMECHANICAL MEASURES DURING TWO SPORT-SPECIFIC TASKS DIFFERENTIATE BETWEEN SOCCER PLAYERS WHO GO ON TO ANTERIOR CRUCIATE LIGAMENT INJURY AND THOSE WHO DO NOT: A PROSPECTIVE COHORT ANALYSIS Open
2b.
Examination of Corticospinal and Spinal Reflexive Excitability During the Course of Postoperative Rehabilitation After Anterior Cruciate Ligament Reconstruction Open
Objective To investigate corticospinal and spinal reflexive excitability and quadriceps strength in healthy athletes and athletes after anterior cruciate ligament reconstruction (ACLR) over the course of rehabilitation. Design Prospective …
View article: A Secondary Injury Prevention Program May Decrease Contralateral Anterior Cruciate Ligament Injuries in Female Athletes: 2-Year Injury Rates in the ACL-SPORTS Randomized Controlled Trial
A Secondary Injury Prevention Program May Decrease Contralateral Anterior Cruciate Ligament Injuries in Female Athletes: 2-Year Injury Rates in the ACL-SPORTS Randomized Controlled Trial Open
Objective To determine whether the addition of perturbation training to a secondary injury prevention program reduces the rate of second anterior cruciate ligament (ACL) injury compared to the prevention program alone. Design Single-blinde…
Athletes after anterior cruciate ligament reconstruction demonstrate asymmetric intracortical facilitation early after surgery Open
Quadriceps dysfunction persists after anterior cruciate ligament reconstruction (ACLR), yet the etiology remains elusive. Inhibitory and facilitatory intracortical networks (ie, intracortical excitability) may be involved in quadriceps dys…
View article: Athletes With Bone-Patellar Tendon-Bone Autograft for Anterior Cruciate Ligament Reconstruction Were Slower to Meet Rehabilitation Milestones and Return-to-Sport Criteria Than Athletes With Hamstring Tendon Autograft or Soft Tissue Allograft : Secondary Analysis From the ACL-SPORTS Trial
Athletes With Bone-Patellar Tendon-Bone Autograft for Anterior Cruciate Ligament Reconstruction Were Slower to Meet Rehabilitation Milestones and Return-to-Sport Criteria Than Athletes With Hamstring Tendon Autograft or Soft Tissue Allograft : Secondary Analysis From the ACL-SPORTS Trial Open
Objective Graft choices for athletes undergoing anterior cruciate ligament reconstruction (ACLR) include bone-patellar tendon-bone (BPTB) and hamstring tendon (HT) autografts and soft tissue allografts. The objective was to assess time to …
Superior 2-Year Functional Outcomes Among Young Female Athletes After ACL Reconstruction in 10 Return-to-Sport Training Sessions: Comparison of ACL-SPORTS Randomized Controlled Trial With Delaware-Oslo and MOON Cohorts Open
Background: Outcomes after anterior cruciate ligament reconstruction (ACLR) are not uniformly good and are worse among young female athletes. Developing better rehabilitation and return-to-sport training programs and evaluating their outco…
View article: Issue Information ‐ Editorial Board and TOC
Issue Information ‐ Editorial Board and TOC Open
Rest of World), €1154 (Europe), £914 (UK
Superior 2-Year Functional Outcomes Among Young Female Athletes After ACL Reconstruction in Just 10 Post-Operative Return-to-Sport Training Sessions Open
Objectives: Outcomes after anterior cruciate ligament reconstruction (ACLR) are not uniformly acceptable and are worse among young female athletes. Developing better rehabilitation and return-to-sport (RTS) training programs and evaluating…
Gait Mechanics in Women of the ACL‐SPORTS Randomized Control Trial: Interlimb Symmetry Improves Over Time Regardless of Treatment Group Open
Women after anterior cruciate ligament (ACL) injury and ACL reconstruction (ACLR) are more likely than men to exhibit asymmetric movement patterns, which are associated with post‐traumatic osteoarthritis. We developed the ACL specialized p…
Psychological Readiness to Return to Sport Is Associated With Knee Kinematic Asymmetry During Gait Following Anterior Cruciate Ligament Reconstruction Open
Background Gait asymmetry is frequently observed following anterior cruciate ligament reconstruction (ACLR). Psychological readiness to return to sport is associated with functional and activity-related outcomes after ACLR. However, the as…
Gait Mechanics After ACL Reconstruction Differ According to Medial Meniscal Treatment Open
Background: Knee osteoarthritis risk is high after anterior cruciate ligament reconstruction (ACLR) and arthroscopic meniscal surgery, and higher among individuals who undergo both. Although osteoarthritis development is multifactorial, al…
Functional and Patient-Reported Outcomes Improve Over the Course of Rehabilitation: A Secondary Analysis of the ACL-SPORTS Trial Open
Background: The Anterior Cruciate Ligament–Specialized Post-Operative Return to Sports (ACL-SPORTS) randomized controlled trial was designed to address deficits in functional and patient-reported outcomes. The trial examined the effects of…
TWO YEAR ACL REINJURY RATE OF 2.5%: OUTCOMES REPORT OF THE MEN IN A SECONDARY ACL INJURY PREVENTION PROGRAM (ACL-SPORTS) Open
1b.
Corticospinal and intracortical excitability differ between athletes early after ACLR and matched controls Open
Neuromuscular impairments, such as quadriceps weakness and activation deficits, persist after anterior cruciate ligament reconstruction (ACLR). Recent research demonstrating changes in the function of the primary motor cortex after ACLR po…
Hop Test Symmetry Scores Early after Rehab Predict Successful 2 Year Outcomes of ACLR Open
Objectives: Return to pre-injury function, return to pre-injury activity, and avoiding repeated knee joint instability are common goals of anterior cruciate ligament reconstruction (ACLR). None of these goals, however, are guaranteed throu…