The following steps are involved in muscle contraction: (1) The sequence of events leading to contraction is initiated somewhere in the central nervous system, either as voluntary activity from the brain or as reflex activity from the spinal cord.
The average Mexican man weighs 165 pounds and stands 5 feet 4 1/2 inches tall, while the median figures for Mexican women are 151 pounds and 5 feet 2 inches, according to a study released by a group representing Mexico's clothing industry.
The average height for the adult male is roughly 5'9 historically. The tallest man recorded being around 8'11 tall, and the shortest being around 1'10.5 (who is also the shortest known adult human). A chart outlining average male heights around the world is illustrated in the following table.