is a trade name for a class of chemicals (known as Chlorofluorocarbons or CFC's) used as a refrigerant in air conditioning systems. Freon is a gas at room temperature and a liquid when cooled or compressed. Freon gas is colorless, non-flammable and relatively odorless. Some Freons have an ether-like odor.
How should I take my forearm circumference measurement? In order to take your forearm circumference measurement, you should tense your arm muscle and measure around the thickest part of your forearm, as pictured.
Excel link. 1  I didn't take the forearm or hand mass into consideration, as they don't move during a push up. 2  The initial angle was calculated to be 10.35 degrees (0.181 rad). I used the foot length (11.1 cm) subtracted from the forearm length (27.1 cm), with the height to the shoulder (142.4 cm) for the trig.