1. Muscles alive, their functions revealed by electromyography;Basmajian,1985
2. Standard maximum isometric voluntary contraction tests for normalizing shoulder muscle EMG;Boettcher;J Orthop Res,2008
3. Comparison of across-subject EMG profiles using surface and multiple indwelling wire electrodes during gait;Bogey;J Electromyogr Kinesiol,2000
4. Quantitative relationship between surface EMG and intramuscular electromyographic activity in voluntary movement;Bouisset;Am J Phys Med,1972
5. Brzycki M. Strength training – a practical approach to strength training, 3rd ed., Lincolnwood, Il: Masters Press; 1995. p. 86.