{"title":"Surgical anatomy: Not “just” for anatomists","authors":"Mario Hevesi","doi":"10.1016/j.jcjp.2026.100287","DOIUrl":"10.1016/j.jcjp.2026.100287","url":null,"abstract":"","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"6 1","pages":"Article 100287"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147553286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jason Ina , Brandon Cabarcas , Louis Kang , Kelechi R. Okoroha , Bruce A. Levy , Aaron J. Krych , Mario Hevesi
{"title":"Intra- and periarticular hip anatomy through the arthroscope","authors":"Jason Ina , Brandon Cabarcas , Louis Kang , Kelechi R. Okoroha , Bruce A. Levy , Aaron J. Krych , Mario Hevesi","doi":"10.1016/j.jcjp.2025.100268","DOIUrl":"10.1016/j.jcjp.2025.100268","url":null,"abstract":"<div><div>Hip arthroscopy has become a popular treatment modality for intra- and periarticular hip pathology. Mastery of the complex anatomy about the hip joint is essential for the safe execution of arthroscopic hip procedures. Keys to successful hip arthroscopy include successful portal placement, appropriate hip capsular management, and knowledge of the surrounding neurovascular structures. Additionally, understanding the histology and gross anatomy of the labrum and other periarticular tendons and ligaments along with their relationship with the acetabulum is vital to properly identifying and addressing pathology. The purpose of this article is to highlight key anatomic structures about the hip and to provide insight from a hip arthroscopist’s perspective on functional and relational anatomy in supine hip arthroscopy.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"6 1","pages":"Article 100268"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147553313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Samuel S. Rudisill , Daniel Z. You , Alexander L. Hornung , Joaquin Sanchez-Sotelo , Mark E. Morrey , Jonathan D. Barlow
{"title":"Open approaches to the lateral elbow: surgical indications, anatomic considerations, and technical pearls","authors":"Samuel S. Rudisill , Daniel Z. You , Alexander L. Hornung , Joaquin Sanchez-Sotelo , Mark E. Morrey , Jonathan D. Barlow","doi":"10.1016/j.jcjp.2025.100263","DOIUrl":"10.1016/j.jcjp.2025.100263","url":null,"abstract":"<div><div>Several lateral approaches to the lateral elbow have been described for management of a variety of elbow pathologies, and each poses unique technical challenges given the complexity of surrounding neurologic, vascular, and ligamentous anatomy. This article reviews 6 common lateral elbow approaches—the Kaplan, modified Kocher, extensor digitorum communis splitting, extensor digitorum communis splitting with proximal extension, lateral column, and lateral epicondyle osteotomy—and outlines the relevant surgical indications, anatomic considerations, and operative steps for each with illustrative examples provided using cadaveric dissections. Pearls and pitfalls and technical tips and tricks will hopefully be useful for the practicing orthopedic surgeon.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"6 1","pages":"Article 100263"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147553284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Felipe Casanova, Juan Bernardo Villarreal-Espinosa, German Escribano, Melissa Carpenter, Fernando Gómez-Verdejo, Jorge Chahla
{"title":"Anatomical approaches for knee cruciate and collateral ligament surgery","authors":"Felipe Casanova, Juan Bernardo Villarreal-Espinosa, German Escribano, Melissa Carpenter, Fernando Gómez-Verdejo, Jorge Chahla","doi":"10.1016/j.jcjp.2025.100253","DOIUrl":"10.1016/j.jcjp.2025.100253","url":null,"abstract":"<div><div>The knee is a highly complex joint that withstands substantial functional stress during daily activities and sports. The anterior cruciate ligament, consisting of an anteromedial and a posterolateral bundle, aids in prevention of excessive tibial translation, thus providing anterior knee stability. Similarly, the posterior cruciate ligament comprising anterolateral and posteromedial bundles, provides resistance against posterior tibial translation. The posteromedial corner includes 5 key components, with 3 primary static stabilizers that maintain valgus and posteromedial stability. Meanwhile, the posterolateral corner, historically known as the “dark side of the knee,” comprises 3 critical stabilizing structures that counteract varus and rotational forces. A comprehensive understanding of normal and surgical anatomy is essential for achieving successful outcomes upon injury to any of these ligaments. The article aims to review the major knee ligaments, their anatomical landmarks, and the key surgical tricks and trips involved in their reconstruction.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"6 1","pages":"Article 100253"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147553309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anatomic considerations for open and endoscopic gluteal tendon surgery","authors":"Zachary V. Braig, Frank Winston Gwathmey","doi":"10.1016/j.jcjp.2025.100264","DOIUrl":"10.1016/j.jcjp.2025.100264","url":null,"abstract":"<div><div>The tendons of the gluteus medius and minimus serve as the main abductors of the hip joint. Structural compromise of these tendons can be a source of lateral hip pain, weakness, and gait abnormalities. Surgical repair of gluteus medius or minimus tears is associated with reliable improvement in pain and function, but the anatomy of the lateral hip is often poorly understood despite being of paramount importance to the hip surgeon. The osteology of the greater trochanter is complex. The lateral trochanter comprises 4 facets: anterior, lateral, posterior, and superoposterior. The gluteus minimus mainly inserts on the anterior facet with additional fibers attaching to the hip capsule itself. The gluteus medius has 2 parts. The thicker posterior part inserts on the superoposterior facet and functions to stabilize the femoral head in the acetabulum during gait. The thinner anterolateral part inserts on the lateral facet. The anterolateral part of the gluteus medius is the most frequently torn portion of the hip abductor complex. Gluteal tendon avulsions should be repaired to their anatomic insertion sites, and therefore, a detailed understanding of both the osteology and soft tissue surrounding the lateral hip is important for the surgeon performing repairs of the hip abductor mechanism.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"6 1","pages":"Article 100264"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147553306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Edouard J. Augustin, Nicholas J. Lemme, Alexander L. Hornung, Kofi K. Acheampong, Zachary R. Oppenheim, Morgan Angotti, Jorge Chahla, Adam B. Yanke
{"title":"Surgical anatomy and technical pearls for quadriceps, distal hamstring, and iliotibial band management in knee reconstruction","authors":"Edouard J. Augustin, Nicholas J. Lemme, Alexander L. Hornung, Kofi K. Acheampong, Zachary R. Oppenheim, Morgan Angotti, Jorge Chahla, Adam B. Yanke","doi":"10.1016/j.jcjp.2025.100280","DOIUrl":"10.1016/j.jcjp.2025.100280","url":null,"abstract":"<div><div>The quadriceps, distal hamstrings, and iliotibial band complexes are critical for knee function and stability. Understanding their detailed anatomy is essential for safe and effective surgical techniques in anterior cruciate ligament (ACL) reconstruction, patellar instability correction, and related procedures. The quadriceps tendon's trilaminar structure and medialized insertion must be appreciated during graft harvest and quadricepsplasty to optimize strength while minimizing donor-site morbidity. On the medial knee, the semitendinosus and gracilis tendons at the pes anserinus require precise identification to enable efficient harvest for ACL and medial patellofemoral ligament reconstruction with minimal neurovascular injury. On the lateral knee, the iliotibial band and its Kaplan fibers serve as secondary ACL stabilizers, and understanding their anatomic relationships guides proper graft orientation during lateral extra-articular tenodesis. This review provides technical pearls and anatomic considerations to support precise surgical execution, reduce complications, and preserve long-term joint health across knee soft-tissue reconstruction procedures.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"6 1","pages":"Article 100280"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147553310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Brandon Cabarcas, Jason Ina, Sanathan Iyer, Micah Nieboer, Joaquin Sanchez-Sotelo, Christopher L. Camp
{"title":"The open medial elbow: enhancing surgical exposure and proficiency","authors":"Brandon Cabarcas, Jason Ina, Sanathan Iyer, Micah Nieboer, Joaquin Sanchez-Sotelo, Christopher L. Camp","doi":"10.1016/j.jcjp.2025.100257","DOIUrl":"10.1016/j.jcjp.2025.100257","url":null,"abstract":"<div><h3>Introduction</h3><div>The anatomic complexity of the elbow maintains an intricate balance of motion and stability that permits the performance of routine, yet essential, daily functions such as feeding and grooming, as well as elite athletic feats including overhead pitching.</div></div><div><h3>Objectives</h3><div>This review provides a detailed overview of the open surgical anatomy of the medial elbow, highlighting tips, tricks, and clinically relevant pearls designed to assist surgeons in obtaining optimal safe exposure in the operating room.</div></div><div><h3>Methods</h3><div>We discuss the relevant osseous anatomy and soft tissue constraints that surgeons will encounter during open approaches to the ulnar nerve, flexor/pronator group, medial ulnar collateral ligament, and medial coronoid.</div></div><div><h3>Results</h3><div>We also highlight crucial neurovascular structures that must be protected during all these surgical procedures, offering valuable insight on ways to facilitate surgical execution while avoiding complications.</div></div><div><h3>Conclusions</h3><div>Included in this review are several modern technical points and recommendations for some of the most commonly performed medial elbow procedures.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"6 1","pages":"Article 100257"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147553332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrea Karen Persons , Michael Baria , Nicholas Greco , Douglas Chonko , Jeffrey Reeves , Tyler Barker , Zarah Belacic , Sunjit Neginhal , Sushmitha Durgam
{"title":"Allograft adipose matrix increases interleukin-10 and transforming growth factor-β1 concentrations in impinged fat pads of the knee","authors":"Andrea Karen Persons , Michael Baria , Nicholas Greco , Douglas Chonko , Jeffrey Reeves , Tyler Barker , Zarah Belacic , Sunjit Neginhal , Sushmitha Durgam","doi":"10.1016/j.jcjp.2025.100246","DOIUrl":"10.1016/j.jcjp.2025.100246","url":null,"abstract":"<div><h3>Introduction</h3><div>Fat pads of the knee both help the patella smoothly track during knee flexion and protect the patella through release of anti-inflammatory, anabolic cytokines, growth factors, and stem cells. When impingement of fat pads occurs, proinflammatory molecules are released, worsening osteoarthritis. Treatments that help restore fat pad volume may delay OA progression. Allograft adipose matrix (AAM) is an acellular, inert matrix that retains collagens and various growth factors promoting cellular infiltration and volume restoration of native adipose tissue that could potentially be used in treatment of fat pad impingement.</div></div><div><h3>Objectives</h3><div>We sought to determine the effects AAM on gene expression and protein concentrations in osteoarthritic tissues and cells.</div></div><div><h3>Methods</h3><div>The cartilage and fat pads were collected from 20 patients undergoing total knee arthroplasty. The tissues were used to create explants or digested to isolate the chondrocytes and adipocytes for cell culture. Explants and cells were then cultured in media containing AAM. After 48 hours, expression and concentrations of extracellular matrix genes, metalloproteinase (MMP) genes, adipokine genes, inflammatory cytokines, and growth factors were measured.</div></div><div><h3>Results</h3><div>IL-10 concentrations were increased in fat pad explants. Concentrations of TGF-β1 were increased in fat pad/cartilage explant cocultures. TGF-β1 concentrations were decreased in adipocyte/chondrocyte cocultures. ECM, MMP, and adipokine gene expression was unaltered, but tissue inhibitor of metalloproteinases-2 (TIMP-2) expression was significantly downregulated. MMP-3 and -13 concentrations were also unaffected.</div></div><div><h3>Conclusions</h3><div>AAM increases in vitro concentrations of IL-10 and TGF-β1 in osteoarthritic adipocytes and chondrocytes isolated from the knee joint.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"5 4","pages":"Article 100246"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alexander Golant , Allison Morgan , Yazdan Raji , Seth L. Sherman
{"title":"The implantable shock absorber for medial compartment unloading of the knee: a scoping review","authors":"Alexander Golant , Allison Morgan , Yazdan Raji , Seth L. Sherman","doi":"10.1016/j.jcjp.2025.100252","DOIUrl":"10.1016/j.jcjp.2025.100252","url":null,"abstract":"<div><h3>Introduction</h3><div>Management of early knee osteoarthritis in young, active populations remains challenging. The medial compartment sees the majority of load through the knee during ambulation and a significant population presents with unicompartmental disease. Traditional surgical options such as high tibial osteotomy (HTO) and arthroplasty pose limitations related to invasiveness, recovery, and long-term outcomes. The implantable shock absorber (ISA) offers a novel alternative that can reduce the load in the diseased compartment while offering a rapid rehabilitation protocol and future possibility for an osteotomy or arthroplasty revision.</div></div><div><h3>Objectives</h3><div>This review synthesizes current evidence on ISA as a treatment option for active patients with isolated medial compartment OA.</div></div><div><h3>Methods</h3><div>A comprehensive literature search identified peer-reviewed studies, abstracts, and regulatory documents related to medial knee OA, joint unloading devices, and ISA outcomes. Findings were categorized by biomechanical rational, clinical evidence, and surgical considerations.</div></div><div><h3>Results</h3><div>ISA offers biomechanical effects comparable to a 5° valgus-producing HTO, reducing medial tibiofemoral contact forces by up to 53%. Studies report significant improvements in pain, functional outcomes, and survivorship, including a 97.3% three-year survival rate and a 71% reduction in Western Ontario And McMaster Universities Osteoarthritis Index pain scores. ISA patients exhibit faster return to weight-bearing, lower revision rates (13.6% vs. 75.3% in HTO) and fewer serious adverse events. ISA preserves native anatomy, avoids bone resection. However, the current evidence is limited to shorter term, industry-sponsored trials.</div></div><div><h3>Conclusion</h3><div>ISA demonstrates promising, though limited clinical outcomes. Further independent studies are needed to understand the utility of ISA as a viable option for medial knee osteoarthritis.</div></div>","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"5 4","pages":"Article 100252"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Welcome to the fourth issue of JCJP 2025","authors":"Lucienne A. Vonk , Elizaveta Kon","doi":"10.1016/j.jcjp.2025.100274","DOIUrl":"10.1016/j.jcjp.2025.100274","url":null,"abstract":"","PeriodicalId":100760,"journal":{"name":"Journal of Cartilage & Joint Preservation","volume":"5 4","pages":"Article 100274"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145698158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}