The three-cone drill is used to measure short-area quickness, which is a key attribute in Houston's zone-blocking offense.

WSJ: NFL Combine: Run Fast and You Might Be a Raider

Sanctions could include cutting funds, extending the monitoring of the judicial system or blocking membership of the Schengen passport-free zone.

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The more you work it, the stronger it gets at skills like mental endurance, blocking distractions and flowing in and out of the zone.

WSJ: The Punishment of Winter Workouts | Golf Journal by John Paul Newport