Case: Flexor digitorum profundus avulsions are common injuries that manifest as tendinous or bony avulsions from the distal phalanx. Rarely, additional fractures can occur in the distal phalanx. For such injuries, repair of the avulsion and fracture is recommended but difficult because of limited bone stock for fixation.
Conclusion: We present a case of a 28-year-old man with a combined flexor digitorum profundus bony avulsion and bony mallet finger, and describe a strategic fixation technique using an intramedullary suture anchor and dorsal button that provided stable fixation and resulted in excellent motion and function, with return to sport at 12 weeks.
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http://dx.doi.org/10.2106/JBJS.CC.21.00044 | DOI Listing |
J Am Podiatr Med Assoc
January 2025
*Western University of Health Sciences, College of Podiatric Medicine, Pomona, CA.
Variations of the ankle anatomy are infrequent and exist as supernumerary muscles and tendons. Often understudied and overlooked, their presence can cause many complications of the lower extremity. These muscles, although often asymptomatic, can cause great pain and complications such as tenosynovitis, tarsal tunnel syndrome, lateral ankle instability, and ankle pain when they impinge on the normal anatomy of the patient.
View Article and Find Full Text PDFJ Biomech
January 2025
The Joint Department of Biomedical Engineering, the University of North Carolina at Chapel Hill, Chapel Hill, NC, United States; North Carolina State University, Raleigh, NC, United States.
Throughout childhood growth and development, both the nervous and the musculoskeletal systems undergo rapid change. The goal of this study was to examine the impact of growth-related changes in skeletal size and muscle strength on the neural control of finger force generation. By modifying an existing OpenSim hand model in accordance with pediatric anthropometric data, we created 10 distinct models representing males and females at each year of development from 6 to 10 years old.
View Article and Find Full Text PDFAntioxidants (Basel)
January 2025
Laboratory of Muscle Pathology, Fragility and Aging, Department of Biological Sciences, Faculty of Life Sciences, Universidad Andres Bello, Santiago 8370146, Chile.
Sarcopenia corresponds to a decrease in muscle mass and strength. CCL5 is a new myokine whose expression, along with the CCR5 receptor, is increased in sarcopenic muscle. Therefore, we evaluated whether CCL5 and CCR5 induce a sarcopenic-like effect on skeletal muscle tissue and cultured muscle cells.
View Article and Find Full Text PDFQuant Imaging Med Surg
January 2025
Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.
Background: Quantitative ultrasound imaging is a popular technique to assess the structural properties of the intrinsic and extrinsic foot muscles. Although several studies examined test-retest reliability, specific gaps remain in assessing inter-rater reliability, particularly distinguishing between image acquisition and muscle measurement. Additionally, these studies utilized equipment that may not be generalizable across both clinical and research settings and often involved small sample sizes without prior sample size calculations.
View Article and Find Full Text PDFPhotochem Photobiol
January 2025
Departamento de Fisioterapia, Universidade Federal dos Vales Do Jequitinhonha e, Diamantina, Minas Gerais, Brazil.
This study investigates the effects of photobiomodulation (PBM) with a 660-nm laser on nerve regeneration and muscle morphometry following median nerve axonotmesis in rats. Sixteen Wistar rats were divided into a control group and laser-treated group, with the latter receiving 10 applications of PBM (660 nm; 20 mW; 10 J/cm; 0.4 J; and 20 s) over 2 weeks.
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