Final answer:
The Pro Agility Shuttle or the 20-yard shuttle is the agility test also known as the 5-10-5 test used in the NFL scouting combine. It measures an athlete's lateral quickness and change of direction ability.
Step-by-step explanation:
The agility test that is also known as the 5-10-5 test, includes two 180 degree turns, and is used in the NFL scouting combine is called the Pro Agility Shuttle or the 20-yard shuttle.
The Pro Agility Shuttle measures an athlete's lateral quickness and change of direction ability. It is often used to assess an athlete's agility and explosiveness, which are important qualities for many sports, including football.
In the test, the athlete starts in a three-point stance, sprints 5 yards to touch a line, changes direction to sprint 10 yards in the opposite direction and touch another line, and then sprints back 5 yards to the starting point. The times for each change of direction are recorded and used to evaluate the athlete's performance.