The phrase "contraction pattern" refers to the way certain words or groups of words are shortened or combined together in a specific manner. Full definition
In addition to the severe pain, women who experience back labor might also experience irregular contraction patterns, a longer period of pushing, and slow moving labor. (checkpregnancy.com)
Similar, yet distinct movements can cause your nervous system to send a different set of electrical signals to your muscles, which will stimulate different contraction patterns in your muscle fibers. (fitnessandpower.com)
Still, never establishing a regular contraction pattern frustrated me and made it more difficult for me to relax through the contractions. (theleakyboob.com)