parallel bars

Men’s gymnastics apparatus made up of two horizontal bars set at the same height; they are for performing various acrobatic exercises.

wooden bar

Bar whose gap is adjustable; it is usually 5.7 ft above the floor.

adjusting tube

Part of the upright into which the vertical tube attached to the horizontal bar slides in order to adjust the height.

base

Rigid support to which the adjusting tubes are attached, which in turn support the bars.