NFL Draft and The NFL Scouting Combine

While I am reading the nfl mock drafts and read the eligible players' profiles, I can usually see the word "NFL Scouting Combine". I don't know what it is at the very beginning, but I think it must be some kind of ... well, measure(?) or means(?) that help to evaluate whether the player is eligible for the nfl draft.

The NFL Combine is a three-day circus, occur each year in late February or early March in Indianapolis, IN Lucas Oil Stadium, where college football players perform physical and mental tests in front of NFL coaches, general managers and scouts. With increasing interest in the nfl draft 2010, the scouting combination has in its scope and meaning so that hiring managers to assess the future in a standardized environment. Its origins are developed by the Nacional, blessed and Quadra Scouting services in 1977, the hype has today.

Tests/evaluations include:
40 yard dash
Bench press
Vertical jump
Broad jump
20-yard shuttle
Three-cone drill
60-yard shuttle
Position-specific drills
Interviews
Physical measurements
Injury evaluation
Drug screen
The Cybex test
The Wonderlic Test

The athletes participating, by invitation only. Impact of its own performance during the Combine can affect the performance, project status, salary and eventually his career. The project is called the term "Workout Warrior" (sometimes referred to as "training Wonder"), popular, describes an athlete who are considering on measurable, such as size, speed and strength increased, the "Draft Action Plan, despite a possible mid - moderate or basic academic career.