Alonso-García , L, et al. “ANALYSIS OF THE MORPHO FUNCTIONAL ULTRASOUND CHARACTERISTICS OF THE LONG HEAD OF THE BICEPS FEMORIS IN PROFESSIONAL RUGBY ATHLETES: PILOT STUDY”. Cuestiones De Fisioterapia, vol. 53, no. 1, Apr. 2024, pp. 33-47, http://cuestionesdefisioterapia.es/index.php/cf/article/view/16.