Physiology Tetanizing stimulation of the muscle causes a sustained forceful contraction due to: A Recruitment phenomenon B Failure of Ca++ removal from the sarcoplasm C Summation of the stimuli D "Beneficial effect" 💡 Explanation Tetanizing stimulation of the muscle causes a sustained forceful contraction due to: ✓ Correct Answer: B. Failure of Ca++ removal from the sarcoplasm