The bridge is a grappling

Grappling

Grappling refers to techniques, maneuvers, and counters applied to an opponent in order to gain a physical advantage, such as improving relative position, escaping, submitting, or injury to the opponent. Grappling is a general term that covers techniques used in many disciplines, styles and martial...

 move performed from a supine position

Supine position

The supine position is a position of the body: lying down with the face up, as opposed to the prone position, which is face down, sometimes with the hands behind the head or neck. When used in surgical procedures, it allows access to the peritoneal, thoracic and pericardial regions; as well as the...

, lying down face-up. It involves lifting the pelvis off the ground so that the body weight is supported on the shoulders (or head) at one end and on the feet at the other. This move is used in wrestling

Amateur wrestling

Amateur wrestling is the most widespread form of sport wrestling. There are two international wrestling styles performed in the Olympic Games under the supervision of FILA : Greco-Roman and freestyle. Freestyle is possibly derived from the English Lancashire style...

 and other grappling and groundfighting

Ground fighting

Ground fighting is hand-to-hand combat which takes place while the combatants are on the ground, generally involving grappling...

 sports, often combined with a twisting motion, to dislodge or flip an opponent who has established a position on top. The bridge is also a common exercise position

Bridge (exercise)

Bridge is an exercise. Many variations of this exercise are employed throughout the world, most commonly the balancing of the body on the head and feet. Hands are occasionally used instead of or along with the head. It is effective in improving lower back strength...

.

In Brazilian jiu-jitsu

Brazilian Jiu-Jitsu

Brazilian Jiu-Jitsu is a martial art, combat sport, and a self defense system that focuses on grappling and especially ground fighting...

, this move is referred to as an upa, and is commonly used in attempting to dislodge an opponent in mounted

Mount (grappling)

The mount, or mounted position, is a dominant ground grappling position, where one combatant sits on the other combatants torso with the face pointing towards the opponent's head. This is very favourable for the top combatant in several ways...

position.