Examination of the Tensile Strength of the Peroneus Longus Muscle.

The peroneus longus tendon (PLT) is increasingly used as a tendon autograft in ligament and tendon reconstructions. The aim of this study is to evaluate the biomechanical properties of the PLT to assess its usability in frequently performed reconstructions. Six fresh-frozen, below-knee cadavers with a mean age of 65 years, no previous surgical operation, and no history of chronic disease were used. PLTs were harvested, freed from muscle tissue, and prepared for tensile strength testing at a tensile force rate of 2 mm/min using a Shimadzu Autograph AG-IS 100 kN instrument (Shimadzu Corporation, Kyoto, Japan). The maximum tensile force varied between 600.7 N and 1131.313 N, with a median of 758.185 N. All tendons had diameters of 8 mm or more. The elongation at maximum force ranged from 9.0 mm to 16.0 mm, with a median of 14.0 mm. According to this study, PLT is a viable choice for surgeries involving autograft reconstruction. However, further clinical studies are needed to confirm its efficacy in reconstructive surgeries.

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Human subjects: All authors have confirmed that this study did not involve human participants or tissue. Animal subjects: All authors have confirmed that this study did not involve animal subjects or tissue. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work.