Reliability and validity of the new portable Nordic hamstring test device (IVMES H-Bord). - Akarçeşme, Cengiz; Cengizel, Elif; Alvurdu, Sümer; Bağcı, Emre; Altundağ, Emre; Cengizel, ÇağdaşÖzgür; Şenel, Ömer (Proceedings of the Institution of Mechanical Engineers -- Part P -- Journal of Sports Engineering & Technology, 2026)