"Peak moment" refers to a time or experience that stands out as the most significant, intense, or memorable in a person's life or a particular situation. It can be the highest point of success, happiness, or excitement. Full definition
The the superior and inferior fibers display the largest peak moment arm lengths, while the middle fibers display the smallest. (strengthandconditioningresearch.com)
Peak moment arm lengths are displayed just below the point where the arms are horizontal in all regions. (strengthandconditioningresearch.com)