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.
Average male height for Americans. The average American height for men is 177 cm or 69.7 inches, which is approximately 5 foot 10 inches tall. (for white males*). A height chart for men of âWhiteâ race/ethnicity*, showing average height changes with age. (hint: 5 feet tall is 60 inches or 152 centimeters. 6 feet tall is 72 inches or 183 centimeters.)