Following tetanizing stimulus was to a muscle, there is a constant contraction. This is due to: (A) Recruitment phenomenon, (B) At high stimulus frequency all muscle fibers are contacting, (C) Contraction of different muscle fibers at different places, (D) All of the above
Answer is B. Tetanization: as the frequency of the stimulus increases to a critical level the successive contractions become so rapid that whole muscle contraction becomes smooth and contineous This is called tetanization and frequency is tetanizing frequency Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:97