Which component of a muscle does the Ca^++ combine with to allow a contraction to occur? When a muscle is simulated before the muscle can fully relax, it can cause muscle twitch tetarus muscle tendritis When a muscle is stimulated prior to full relaxation of a previous contraction and the second stimuli is added to the first contradiction, it is referred to as Which of these cell types can be described as muscle cells that contract rapidly, are rich in glycogen deposists, and depend on anacrobic respiration to produce ATP? After a period of exercise, a person will breathe heavily for some time after the activity has ceased. What is happening during this time as the oxygen debt is being paid?