Heart rate variability at rest and heart rate and torque responses during maximum isometric exercises on knee flexion for two volunteers: one with sedentary life style and another with active life style: case reports. Fisioter Pesqui [Internet]. 2003 Dec. 31 [cited 2024 May 16];10(2):84-91. Available from: https://www.revistas.usp.br/fpusp/article/view/78138