1. Changes in firing rate of human motor units during linearly changing voluntary contractions
2. Muscle and tendon: Properties, models, scaling, and application to biomechanics and motor control;zajac;Crit Rev Biomed Eng,1989
3. Linear and non-linear surface EMG/force relationships in human muscles. An anatomical/functional argument for the existence of both;woods;Amer J Phys Med,1983
4. Relationships of the surface electromyogram to the force, length, velocity, and contraction rate of the cineplastic human biceps;heckathorne;Amer J Phys Med,1981
5. A study of various normalization procedures for within day electromyographic data