When a muscle is stretched by a contraction of the opposing muscles, it is called_______.
Hello,
When a muscle is stretched by a contraction of the opposing muscles, it is called active stretching.
Thanks for using brainly.
The incomplete sentence is correctly fill with active stretching.
When a muscle is stretched by a contraction of the opposing muscles, it is called active stretching.
Thus the the incomplete sentence is correctly fill with active stretching.
Learn more about active stretching here:
https://brainly.com/question/24295963