The balance beam is an artistic gymnastics apparatus, as well as the event performed using the apparatus. Both the apparatus and the event are sometimes simply referred to as `beam`. The English abbreviation for the event in gymnastics scoring is BB. The beam is a small, thin beam which is typically raised from the floor on a leg or stand at bot..... Found on http://en.wikipedia.org/wiki/Balance_beam
gymnastics apparatus used in women`s competition. It is a wooden beam 5 metres (16.4 feet) long, 10 cm (4 inches) wide, and raised 125 cm (4.1 feet) ... [1 related articles] Found on http://www.britannica.com/eb/a-z/b/10
The Balance Beam, or simply “Beam” is one of the four gymnastics events. Regulation balance beams are 4.07 feet tall, 16 feet long and 10 centimeters (or approximately 4 inches) wide. A low beam or floor beam is a popular piece of home gymnastics equipment. Found on https://gymnasticshq.com/glossary-of-gymnastics-terms/