Fun Facts. 1  Table tennis has been an Olympic sport since 1988. 2  In professional table-tennis volleys, the ball can reach speeds as high as 90 miles per hour. 3  Table tennis is the national sport of China.  Table tennis is the second most played sport in the world, behind soccer.
The Borg Scale is a method to measure a personâs perceived exertion rate. Developed by Stockholm University professor Gunnar Borg during the 1980s, the scale does not require any equipment, but asks participants who engage in physical activity to assess his or her perceived rate of exertion from light to strenuous. The scale measures exertion in a range between six and 20.
Walter Bradford Cannon (1871â1945) was a physiologist at Harvard University, who is perhaps best known for his classic treatise on homeostasis. Philip Bard (1898â1977) was a doctoral student of Cannon's, and together they developed a model of emotion called the Cannon-Bard Theory. Cannon was an experimenter who relied on studies of animal physiology.