A tennis racket grip size of 4 1/4 inches is typically recommended for players with small hands, as it provides a comfortable and secure grip without being too large.

In badminton, the service court is the area where the shuttlecock must land to be considered a valid serve. It is located diagonally opposite the server's court.

The standard length of a golf club shaft is typically around 45 inches. However, the length can vary depending on the type of club and the player's height and swing.

The butterfly stroke is characterized by a symmetrical arm stroke and a dolphin-like kick. It is one of the most challenging swimming strokes to master.

Boxing gloves are the protective gloves worn by boxers during a match. They are designed to protect the hands and knuckles of the boxer, as well as to minimize the risk of injury to the opponent.

In archery, the bow is the equipment used to hold and release the arrow. It consists of a curved or straight handle with two limbs that are connected by a string.

A trolling reel is a type of fishing reel that is specifically designed for trolling or deep-sea fishing. It is characterized by a large spool capacity and a powerful drag system.

In cycling, the derailleur is the gear mechanism that allows the rider to change gears. It consists of a front derailleur, which moves the chain between the chainrings, and a rear derailleur, which moves the chain between the sprockets on the cassette.

Motion control running shoes are designed to provide maximum cushioning and support for runners who overpronate, which is when the foot rolls inward excessively during the running stride.

In skiing, the ski is the long, narrow board that is attached to the skier's boots. It is used for gliding over snow.

A longboard is the best type of surfboard for beginners because it is more stable and easier to control than other types of surfboards.

In rock climbing, the climbing rope is the rope that is used to secure the climber to the rock face. It is typically made of nylon and is designed to withstand the forces generated by the climber's weight and movement.

A karate gi is a white uniform that is worn by karate practitioners. It typically consists of a jacket, pants, and a belt.

In fencing, the mask is the protective mask worn by fencers. It is designed to protect the fencer's face and head from injury.

A scuba tank is a type of diving equipment that is used to provide divers with a continuous supply of air underwater. It consists of a metal cylinder that is filled with compressed air.