The Main Effect of Treppe, as the Muscle Contraction Increase

Question

The main effect of treppe, as the muscle contraction increase in strength, is to ________.
A) increase the myoglobin content
B) convert glycogen to glucose
C) tone the muscles
D) enhance the availability of calcium

Accepted Answer

Treppe, also known as the staircase phenomenon, refers to the increase in strength of a muscle contraction that occurs when a muscle is stimulated multiple times in rapid succession. This effect is due to the gradual increase in calcium ions available to the muscle fibers, which enhances their ability to contract. Therefore, choice D, enhance the availability of calcium, is the best choice for the main effect of treppe. The other choices, including increasing myoglobin content, converting glycogen to glucose, and toning the muscles, are not directly related to the mechanism of treppe.