BMX made its Olympic debut during the 2008 Olympic Games in Beijing, so it's a relatively new sport for longtime Olympic fans. Here's a quick guide to help new and casual fans catch up on the the terminology and enjoy BMX during the 2012 Olympic Games.
Berm: A berm is "a banked corner," according to the official London 2012 website.
BMX: BMX, the actual name of the sport, stands for bicycle motocross. The sport originated in California.
Bunny hop: A bunny hop occurs when both wheels come off the ground at the same time.
Gate: The gate is the starting position for all riders. It is located at the beginning of the track, which is generally at the top of the slope.
Hole shot: The term hole shot is used in reference to a rider who got a fast start. That rider is the one in the first position coming out of the gate.
Loop out: A loop out happens after a rider loses balance. The term describes a situation in which the front wheel comes off the ground and the rider falls off the back of the bike.
Manual: The term manual is used when a rider lifts the front wheel off the track and begins to freewheel.
OTB: OTB stands for "over the bars" and is exactly what it sounds like. When a rider goes over the handlebars, this is the term used.
UCI: UCI stands for Union Cycliste Internationale, or International Cycling Union. The International Cycling Union is the international governing body for BMX racing.
Whoop: Whoop refers to a set of bumps or jumps set up in the course. Whoops are often shaped like waves and sometimes come in pairs.
Sandra Johnson is a longtime Olympic fan. While working for the United States Olympic Committee and living in the Olympic Training Center in Colorado Springs, Colo., Johnson had the opportunity to immerse herself in the Olympic Movement. Follow her on Twitter: @SandraJohnson46.