Grip Strength Measurement for Outcome Assessment in Common Hand Surgeries.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: CONFLICT OF INTEREST: No potential conflict of interest relevant to this article was reported. 10. J Orthop Res. 2025 Apr;43(4):803-809. doi: 10.1002/jor.26045. Epub 2025 Jan 15. Bone and Nerve Response to Sciatic Compression Neuropathy in a Rabbit Model. Fringuello AR(1)(2), Kurtzman JS(3), Hayes W(4), Carter J(4), Koehler SM(5). Author information: (1)Department of Cell Biology, SUNY Downstate Health Sciences University, Brooklyn, New York, USA. (2)Neural and Behavioral Science Graduate Program, SUNY Downstate Health Sciences University, Brooklyn, New York, USA. (3)Wake Forest School of Medicine, Winston Salem, North Carolina, USA. (4)Department of Orthopaedic Surgery, SUNY Downstate Medical Center, Brooklyn, New York, USA. (5)Department of Orthopaedic Surgery, Montefiore Einstein, Bronx, New York, USA. Compression neuropathy is a prevalent medical condition, including common types such as carpal tunnel syndrome, cubital tunnel syndrome, sciatica, and many others. While the neurological consequences are well understood, the effects on bone properties and the potential downstream impact on fracture risk remain less clear. This study aimed to assess the influence of compressive neuropathy on bone properties using a rabbit model of sciatic nerve compression. We hypothesized that compressive neuropathy could adversely alter bone properties. Five New Zealand white rabbits underwent surgery to induce perineural scarring in the sciatic nerve, with the contralateral limb serving as a sham control. Bone mineral density (BMD), mechanical strength, and bone signaling proteins were evaluated through microcomputed tomography (μCT), four-point bending tests, and ELISA assays, respectively. Sciatic nerve histology was analyzed using VEGF and Nissl staining to assess axon and Schwann cell densities and quantified using image analysis software. The results showed no significant differences in BMD, biomechanical properties, or key bone signaling proteins (OPG and RANKL) between the affected and control tibias. These findings suggest that compression neuropathy does not significantly impact bone properties in the rabbit model. © 2025 Orthopaedic Research Society. DOI: 10.1002/jor.26045