Glenohumeral chondrolysis: part I--clinical presentation and predictors of disease progression.

Purpose: The objective of this 2-part study is to report on the etiology, clinical findings, and predictors of disease progression (part I) and the results of treatment (part II) in a group of patients with glenohumeral chondrolysis.

Methods: Forty patients presented with glenohumeral chondrolysis after treatment elsewhere. Twenty patients have been followed up since their initial presentation before arthroplasty (group 1), and 20 patients were referred either for management of complications arising after prosthetic arthroplasty or for evaluation only (group 2).

Sex-specific differences in the severity of symptoms and recovery rate following sports-related concussion in young athletes.

Introduction: While research on adult recovery from concussion indicates sex-specific symptoms and recovery rates, there is little existing data on younger patient populations.

Objective: To determine sex-specific differences in the severity of presenting symptoms and recovery rate between groups of young athletes who presented ≤ 7 or > 7 days after sports-related concussion.

Methods: This study was a retrospective review of athletes aged 9 to 17 years who were referred for evaluation of a sports-related concussion over a 24-month period.

Juvenile idiopathic arthritis and athletic participation: are we adequately preparing for sports integration?

Children with juvenile idiopathic arthritis (JIA) now have well-controlled disease due to improved therapies and management strategies. Children with JIA are more active than in the past and often participate in dynamic, high-loading sports. Standard measures of disease control include examination findings, laboratory values, and patient-directed surveys.

Effects of task-specific augmented feedback on deficit modification during performance of the tuck-jump exercise.

Context: Anterior cruciate ligament (ACL) injuries are prevalent in female athletes. Specific factors have possible links to increasing a female athlete's chances of suffering an ACL injury. However, it is unclear if augmented feedback may be able to decrease possible risk factors.

Anterior cruciate ligament injury prevention training in female athletes: a systematic review of injury reduction and results of athletic performance tests.

Context: Many anterior cruciate ligament (ACL) injury prevention training programs have been published, but few have assessed the effects of training on both ACL injury rates and athletic performance tests.

Objective: To determine if ACL injury prevention programs have a positive influence on both injury rates and athletic performance tests in female athletes.

Data Sources: In August 2011, a search was conducted (1995-August 2011) of the PubMed, Science Direct, and CINAHL databases.

The development of postoperative knee chondrolysis after intra-articular pain pump infusion of an anesthetic medication: a series of twenty-one cases.

Background: Postoperative chondrolysis in the knee joint caused by continuous intra-articular pain pumps infusing bupivacaine is a serious complication that severely affects function. We report the clinical course of a series of twenty-one patients who were referred to our clinic with this complication.

Methods: A physical examination and a review of medical records were conducted.

Is body composition associated with an increased risk of developing anterior knee pain in adolescent female athletes?

Objective: To determine the relationship between relative body composition and body mass to height, anterior knee pain, or patellofemoral pain (PFP) in adolescent female athletes.

Background: Patellofemoral pain is common in female athletes and has an undefined etiology. The purpose of this study was to examine whether there was an association among higher body mass index (BMI), BMI z-scores, and relative body fat percentage in the development of PFP in an adolescent female athlete population.

A training program to improve neuromuscular and performance indices in female high school soccer players.

The purpose of this study was to determine if a sports-specific anterior cruciate ligament injury prevention training program could improve neuromuscular and performance indices in female high school soccer players. We combined components from a published knee ligament intervention program for jump and strength training with other exercises and drills to improve speed, agility, overall strength, and aerobic fitness. We hypothesized that this program would significantly improve neuromuscular and athletic performance indices in high school female soccer players.

A training program to improve neuromuscular and performance indices in female high school basketball players.

The purpose of this study was to determine if a sports-specific training program could improve neuromuscular and performance indices in female high school basketball players. We combined components from a published anterior cruciate ligament injury prevention program for jump and strength training with other exercises and drills to improve speed, agility, overall strength, and aerobic conditioning. We hypothesized that this sports-specific training program would lead to significant improvements in neuromuscular and performance indices in high school female basketball players.

Factors used to determine return to unrestricted sports activities after anterior cruciate ligament reconstruction.

Purpose: Anterior cruciate ligament (ACL) reconstruction is commonly performed in athletes, with the goal of return to sports activities. Unfortunately, this operation may fail, and the rates of either reinjuring an ACL-reconstructed knee or sustaining an ACL rupture to the contralateral knee range from 3% to 49%. One problem that exists is a lack of information and consensus regarding the appropriate criteria for releasing patients to unrestricted sports activities postoperatively.

Treatment of meniscus tears during anterior cruciate ligament reconstruction.

Purpose: To define the incidence of meniscectomy, meniscus repair, and meniscus tears left in situ during anterior cruciate ligament (ACL) reconstruction.

Methods: A systematic search of PubMed and 7 sports medicine journal databases was performed to determine the treatment of meniscus tears during ACL reconstruction. Inclusion criteria were English language, publication in the last 10 years, clinical trials, all evidence levels, and skeletally mature or immature knees.

Objective criteria for return to athletics after anterior cruciate ligament reconstruction and subsequent reinjury rates: a systematic review.

Objective: To review anterior cruciate ligament (ACL) clinical studies to assess the objective functional criteria used to determine when patients can return to athletics postoperatively, and to determine the rates of reinjury to either knee when these criteria are applied.

Methods: A literature search was conducted using the Medline database. The inclusionary criteria were the English language, publication between April 2001 and April 2011, original clinical trials, all levels of evidence, primary ACL reconstruction, skeletal maturity, minimum 2 years of follow-up, and ≥1 objective test used to allow release to sports activities.

Meniscus repair and transplantation: a comprehensive update.

Preservation of meniscal tissue is paramount for long-term joint function, especially in younger patients who are athletically active. Many studies have reported encouraging results following repair of meniscus tears for both simple longitudinal tears located in the periphery and complex multiplanar tears that extend into the central third avascular region. This operation is usually indicated in active patients who have tibiofemoral joint line pain and are less than 50 years of age.

Integrative training for children and adolescents: techniques and practices for reducing sports-related injuries and enhancing athletic performance.

As more children and adolescents participate in sports and conditioning activities (sometimes without consideration for cumulative workload), it is important to establish age-appropriate training guidelines that may reduce the risk of sports-related injury and enhance athletic performance. The purpose of this article is to review the scientific evidence on youth strength and conditioning and to provide age-appropriate recommendations for integrating different strength and conditioning activities into a well-designed program that is safe, effective, and enjoyable. Integrative training is defined as a program or plan that incorporates general and specific strength and conditioning activities that enhance both health- and skill-related components of physical fitness.

Three-dimensional motion analysis validation of a clinic-based nomogram designed to identify high ACL injury risk in female athletes.

Aims: Prospective measures of high knee abduction moment (KAM) during landing identify female athletes at increased risk for anterior cruciate ligament (ACL) injury. Laboratory-driven measurements predict high KAM with 90% accuracy. This study aimed to validate the clinic-based variables against 3-dimensional motion analysis measurements.

Partial triceps disruption: a case report.

Partial triceps tendon disruptions are a rare injury that can lead to debilitating outcomes if misdiagnosed or managed inappropriately. The clinician should have a high index of suspicion when the mechanism involves a fall onto an outstretched arm and there is resultant elbow extension weakness along with pain and swelling. The most common location of rupture is at the tendon-osseous junction.

Long-term assessment of posterolateral ligament femoral-fibular reconstruction in chronic multiligament unstable knees.

Background: The authors previously reported the initial results of a femoral-fibular posterolateral reconstruction in which an Achilles tendon allograft was passed through a fibular tunnel adjacent to the anatomical fibular attachment site of the fibular collateral ligament and a femoral tunnel anterior and posterior to its femoral attachment site.

Purpose: To compare the short-term results (mean, 3.5 years) to the long-term results (mean, 14 years) of posterolateral femoral-fibular knee ligament reconstructions in regard to restoration of posterolateral knee stability.

Greater than 10-year results of red-white longitudinal meniscal repairs in patients 20 years of age or younger.

Background: A prospective longitudinal investigation was conducted to determine the long-term outcome of single longitudinal meniscal repairs extending into the central avascular region in patients aged 20 years or younger.

Purpose: To determine the long-term success rate and reoperation rate of meniscal repairs extending into the avascular zone.

Study Design: Case series; Level of evidence, 4.

The drop-jump video screening test: retention of improvement in neuromuscular control in female volleyball players.

A valgus lower limb alignment is commonly documented during noncontact anterior cruciate ligament injuries. We previously developed a videographic drop-jump test to measure overall lower limb alignment in the coronal plane as a screening tool to detect such an abnormal (valgus) position on landing. A neuromuscular retraining program developed for female athletes was shown to be effective in improving lower limb alignment on this test immediately after completion of training.

A six-week neuromuscular training program for competitive junior tennis players.

This study evaluated the effectiveness of a tennis-specific training program on improving neuromuscular indices in competitive junior players. Tennis is a demanding sport because it requires speed, agility, explosive power, and aerobic conditioning along with the ability to react and anticipate quickly, and there are limited studies that evaluate these indices in young players after a multiweek training program. The program designed for this study implemented the essential components of a previously published neuromuscular training program and also included exercises designed to improve dynamic balance, agility, speed, and strength.

Prevalence of nonanatomical graft placement in a series of failed anterior cruciate ligament reconstructions.

Background: Anterior cruciate ligament reconstruction employing transtibial tunnel techniques may result in less than ideal femoral and tibial vertical graft placement, with a residual pivot shift and instability symptoms.

Hypothesis: Nonanatomical graft placement is highly prevalent among knees with failed primary and revision anterior cruciate ligament grafts.

Study Design: Case series; Level of evidence, 4.

Midtarsal arthrodesis in the treatment of Charcot midfoot arthropathy. Surgical technique.

Background: Fracture-dislocation of the midfoot with collapse of the longitudinal arch is common in patients with neuropathic arthropathy of the foot. In this study, we describe a technique of midfoot arthrodesis with use of intramedullary axial screw fixation and review the results and complications following use of this technique.

Methods: A retrospective study of twenty-two patients who had undergone surgical reconstruction and arthrodesis to treat Charcot midfoot deformity was performed.