F. B. Stulen

Learn More
During a sustained muscle contraction, the lpectlUm of the myoelectric lignal is known to undergo compression as a function of time. Previous investigators have shown that the frequency compres­ sion is related to the decreasing conduction velocity of the muscle fi­ bers. It is proposed that the frequency compression may be tracked by obtaining a continuous(More)
The design and construction of a clinically useful electrode for detecting the myoelectric signal is described. The requirements of the design were determined by a set of properties defined by clinicians and research engineers experienced in myoelectric signal detection. A novel, and seemingly useful, feature of this electrode is that the stainless-steel(More)
As a muscular contraction is sustained, the spectrum of the myoelectric signal is compressed into lower frequencies. This spectral compression has been associated with localized muscular fatigue by several investigators. A device is presented that implements a technique to track the spectral compression by calculating the median frequency and two other(More)
  • 1