The direct object is the concept used to identify the beneficiary part of the verb in the sentence. In other words, the object or noun modified by the action. In our case, the muscles' ability to store energy is one object. Because we are not talking about the muscles. But their ability to store energy. Therefore, the object is a really small one that is expressed with many words.
I think change can make someone nervous but I learned that change is not so bad becasue everyone is kind with open arms and change can also be a good thing from the get-go
