Convergent Validity between Electromyographic Muscle Activity, Ultrasound Muscle Thickness and Dynamometric Force Measurement for Assessing Muscle. - Umut Varol; Marcos José Navarro-Santana; Juan Antonio Valera-Calero; Sergio Antón-Ramírez; Javier Álvaro-Martínez; María José Díaz-Arribas; César Fernández-de-las-Peñas; Gustavo Plaza-Manzano (Sensors, 2023)