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| http://dx.doi.org/10.1177/2325967117731102 | DOI Listing |
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Concurrent avulsion of posterior cruciate ligament and semimembranosus: a case-based discussion and literature review.
Int J Burns Trauma
October 2024
Department of Orthopedics, PGIMER Chandigarh, India.
A 30-year-old male sustained a road traffic accident and presented to our trauma centre with injuries to his pelvis and right knee. Radiology showed closed fractures of the right posterior wall and posterior column of the acetabulum and PCL bony avulsion with posteromedial tibial plateau osteochondral fracture, without any distal neurovascular deficit. He was managed with surgical intervention for both injuries.
View Article and Find Full Text PDFOblique or short incisions reduce the risk of saphenous nerve damage during hamstrings harvesting: A model for mapping nerve pathways at the harvest site.
J ISAKOS
December 2024
Inter-university Laboratory of Human Movement Science, University Lyon - University Jean-Monnet Saint-Étienne, Saint-Étienne, France; Department of Orthopaedic Surgery, University Hospital Centre of Saint-Étienne, Saint-Étienne, EA 7424, France.
Introduction: Hamstring autografts are frequently used for ligament reconstruction surgery. Between 12% and 84% of patients report hypoesthesia or dysaesthesia secondary to injury of the saphenous nerve or one of its branches after hamstring harvesting. Type of incision (orientation and length) is subject of much regarding limiting the risk of nerve damage.
View Article and Find Full Text PDFMultiscale hamstring muscle adaptations following 9 weeks of eccentric training.
J Sport Health Sci
October 2024
Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Department of Mechanical Engineering, Stanford University, Stanford, CA, 94305, USA. Electronic address:
Article Synopsis
- Eccentric training via Nordic hamstring exercises (NHE) is effective in preventing hamstring strains by promoting changes in muscle structure, specifically increasing muscle fascicle length and adding sarcomeres in series within the muscle fibers.
- In a study with 12 participants, after 9 weeks of NHE training, the biceps femoris long-head (BFlh) showed significant improvements, including a 19% and 33% increase in fascicle length in the central and distal regions, respectively, along with a 40% increase in knee flexion strength.
- Following a 3-week period of no training (detraining), muscle adaptations such as fascicle length
Inside-Out Repair of Medial Meniscal Ramp Lesions in Patients Undergoing Anterior Cruciate Ligament Reconstruction.
JBJS Essent Surg Tech
October 2024
Twin Cities Orthopedics, Minneapolis, Minnesota.
Article Synopsis
- Medial meniscal ramp lesions occur at the junctions of the medial meniscus and are often found in up to 42% of ACL tears, but commonly go undetected due to limitations in MRI and physical examinations.
- Proper arthroscopic evaluation, including modified techniques, is necessary for effective diagnosis and treatment of these lesions to prevent increased knee instability and potential ACL graft failure.
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Validity of Elastic Imaging Evaluation of Hamstring Muscles With Knee Contracture Using Ultrasound Shear Wave Elastography.
Cureus
August 2024
Department of Physical Therapy, School of Health Sciences, Sapporo Medical University, Sapporo, JPN.
Article Synopsis
- The study aimed to assess the mechanical properties of hamstring muscles from cadaveric specimens using ultrasound shear wave elastography (SWE), particularly focusing on those with knee flexion contractures.
- Hamstring muscle samples were tested for tensile strength, measuring the shear modulus and Young's modulus through a series of experiments involving strain and load application.
- Results indicated that hamstring muscles with flexion contractures showed significantly higher Young’s and shear moduli, suggesting they are stiffer and more resistant to elongation compared to muscles without contractures.
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