You are getting ready to leave the lab. You lift your pencil to put it in your book bag. Then you lift your lab book and place it in your book bag. Which scenario resulted from the stimulation of more motor units?

The motor unit that is activated first and takes less energy is classified as low-threshold. The motor unit that is activated second and takes more energy is classified as high threshold. Sol lifting the labbook and placing it in the book bag simulates more motore units.