A Novel Noninvasive Method for Measuring Fatigability of the Quadriceps Muscle in Noncooperating Healthy Subjects

<div>Schematic diagram of the model. (a) Electrical muscle stimulation circuit: (1) placement of self-adhesive carbon electrode pads; (2) constant current high voltage muscle stimulators; (3) train generator. (b) Force measurement circuit: (4) rigid ankle and contra strap; (5) strain gauge; (6) bridge circuit/amplifier; (7) analog-digital converter; (8) computer.</div>

BioMed Research International

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Figure 1

Figure 1: A Novel Noninvasive Method for Measuring Fatigability of the Quadriceps Muscle in Noncooperating Healthy Subjects 