A hoop is an apparatus in rhythmic gymnastics

Rhythmic gymnastics

Rhythmic gymnastics is a sport in which individuals or teams of competitors manipulate one or two pieces of apparatus: rope, clubs, hoop, ball, ribbon and Free . An individual athlete only manipulates 1 apparatus at a time...

 and may be made of plastic

Plastic

A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs...

 or wood

Wood

Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...

, provided that it retains its shape during the routine. The interior diameter is from 51 to 90 cm, and the hoop must weigh a minimum of 300g. The hoop may be of a natural colour or be partially of fully covered by one or several colours, and it may be covered with adhesive tape either of the same or different colour as the hoop.

Fundamental requirements of a hoop routine include rotation around the hand or body and rolling, as well as swings, circles, throws, and passes through and over the hoop.

Many of the techniques of rhythmic gymnastics have been adopted by the modern hooping

Hooping

Hooping generally refers to artistic movement and dancing with a hoop used as a prop or dance partner. Hoops can be made of metal, wood or plastic. Hooping combines technical moves and tricks with freestyle or technical dancing, and is typically accompanied by music...

community.