Question: Henneman's size principle refers to the? Need Assignment Help? Group of answer choices situation in which larger motor units are recruited prior to smaller motor units orderly progression of recruitment from the least aerobic to most aerobic muscle fibers fact that type I fibers can generate more force than type IIx fibers orderly progression of recruitment from type IIx to type IIa to type I muscle fibers orderly progression of recruitment from the most aerobic to least aerobic muscle fibers