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Gravity does all the work. In all other instances, pumps are necessary. In day-to-day situations, available water is often contaminated, unhealthy, or even naturally poisonous, so that it is necessary to pump potable water from lower levels to higher levels, where it can be of use. A fresh water source in a lower stream, river, pond, or lake is ...
Cyr wheel – Acrobatic apparatus that consists of a single large ring made of aluminum or steel with a diameter approximately 10 to 15 cm (4 to 6 in) taller than the performer. Diving – Sport of jumping or falling into water from a platform or springboard, usually while performing acrobatics.
Acrobatics (from Ancient Greek ἀκροβατέω (akrobatéō) 'walk on tiptoe, strut') [1] is the performance of human feats of balance, agility, and motor coordination. Acrobatic skills are used in performing arts , sporting events, and martial arts .
A water ramp is constructed by covering a structurally stable wood or steel frame with a stiff plastic whose surface is comparable to a hairbrush; skiers and snowboarders slide down this surface, which is denominated an "in-run". Users have nicknamed this section the green or white "meanies" for its ability to leave a "road rash" on anyone who ...
Trapeze artists, in lithograph by Calvert Litho. Co., 1890. A trapeze is a short horizontal bar hung by ropes, metal straps, or chains, from a ceiling support. It is an aerial apparatus commonly found in circus performances.
A team of world champion acrobatic basketball dunkers put on quite a heart-stopping show on top of a moving train. The group calls themselves the Dunking Devils and they perform incredible stunts ...
Acroyoga is a recent practice stemming from acrobatic gymnastics. It features hand to hand acrobatics in a similar way, but routines are not performed as in the sport. While hand to hand acrobatics is a small part in acroyoga, it is more common to do many different types of balancing positions.
Tumbling, sometimes referred to as power tumbling, is a gymnastics discipline in which participants perform a series of acrobatic skills down a 25 metres (82 ft) long sprung track. Each series, known as a pass, comprises eight elements in which the athlete jumps, twists and flips placing only their hands and feet on the track.