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Background: Resistant plantar fasciopathy is a common orthopedic problem. Aim: Comparing two different methods of treatment. Methods: Fifty patients with chronic resistant plantar fasciopathy were divided into two groups. The first included 23 patients treated by endoscopic release of plantar fascia (EPF) and the second included 27 patients treated by injection of platelet-rich plasma (PRP). Results: In the EPF group, the average VAS improved from 8.28 to 2.35. The average AOFAS improved from 65 to 94. In the PRP group, average VAS improved from 8.22 to 2.9 and the average AOFAS improved from 66 to 92. [ABSTRACT FROM AUTHOR]

Ocean waves are one of the cleanest and most abundant energy sources on earth, and wave energy has the potential for future power generation. Triboelectric nanogenerator (TENG) technology has recently been proposed as a promising technology to harvest wave energy. In this paper, a theoretical study is performed on a duck-shaped TENG wave harvester recently introduced in our work. To enhance the design of the duck-shaped TENG wave harvester, the mechanical and electrical characteristics of the harvester’s overall structure, as well as its inner configuration, are analyzed, respectively, under different wave conditions, to optimize parameters such as duck radius and mass. Furthermore, a comprehensive hybrid 3D model is introduced to quantify the performance of the TENG wave harvester. Finally, the influence of different TENG parameters is validated by comparing the performance of several existing TENG wave harvesters. This study can be applied as a guideline for enhancing the performance of TENG wave energy harvesters. [ABSTRACT FROM AUTHOR]