Punitive Expedition in Mexico, 1916-1917 The Punitive Expedition into Mexico that the United States Government undertook in 1916 against Mexican Revolutionary leader Pancho Villa threatened to bring the United States and Mexico into direct conflict with one another.
Share This! The three most common ways of doing a bench press are with a barbell, dumbbells, or Smith machine. Norwegian researchers, using a technique called electromyography, found that muscle activation differed during the three types of bench presses. For the triceps muscle, activation levels were greatest for the barbell, followed by the Smith machine and dumbbells.
The bench press works upper body muscles including the pectorals, triceps and biceps. How to: As with the dumbbell press you do a bench press with your feet flat on the floor and your back on the bench. With your arms shoulder length apart, use an overhand grip to take firm hold of the bar.