There is also a special null type, the type of the expression null, which has no name. Because the null type has no name, it is impossible to declare a variable of the null type or to cast to the null type. The null reference is the only possible value of an expression of null type.
The military barbell press mainly works the shoulder, or deltoid, muscles. The anterior deltoid, the front head of the shoulder muscle, does much of the work. The side, or lateral, deltoid and the rear, or posterior, deltoid are also involved in the movement, although to a lesser degree than the anterior deltoid.
The Military tape test is the way the armed forces determines body fat with circumference measurements around the neck, wrists, and abdomen. Further details about this Tape Test can be downloaded in PDF format from the Army Regulation 600-9 --The Army Weight Control Program. Localized fat over the abdominal and flank muscles but under the skin can be the cause of unacceptable tape measurements.