Agility is the ability to decelerate one’s momentum, stop, overcome inertia and accelerate one’s body mass in another direction in as little time as possible. Essentially, if you’re running straight forward and a defender jumps out of the bushes, you want to be able to create a powerful movement that allows you to turn or change direction in a split second. The most effective way to change direction involves having the legs move outside of vertical alignment of the center of mass, and driving them into the ground at as horizontal of an angle as possible to create a strong impulse against the pull of momentum to continue in another direction. From a physics perspective, momentum along with impulse and inertia, are critical components of agility. The ability to decelerate and stop one’s momentum in as short distance/period of time as possible requires great amount of relative unilateral strength and power, particularly in the extensor mechanism musculature of the lower extremities. Equally important, impulse can be found in the period of time where switching from eccentric action (deceleration) to concentric action (acceleration) occurs. Thus, the quicker an athlete can decelerate, overcome inertia, shift impulse momentum and propel in another direction the more agile an athlete is seen to be.

Given the above description on speed and agility it should be seen that performance is inherently predicated on the application of speed in concert with the impulse of agility. The ability to generate forward momentum/force is equally as important as being able to act and react to the chaotic unpredictability of an outside stimulus. With this understanding of performance we can see that any drill that is directed toward constricting an athlete to tip-toe through a series of 15 x 15 inch boxes without posing a challenge to displacement of an athlete’s center of mass or an effort in creating forward momentum through the development of proper mechanics will only serve as a deterrent to the claims of improving performance.

There is very little to gain with the incorporation of ladder drills, as such drills are merely displays of an already present athleticism. Natural athletes learn skills quickly and replicate movement efficiently within a very short period. Within a few weeks of practicing with a ladder, an athlete can become very proficient in the drill, yet when it comes to performing in the game there is very little transfer. Why? Because ladder drills are learned patterns without the influence of an outside stimulus, like a ball or a defender coming at you, and all the hours and effort spent learning how to tip-toe properly while staring at the ground is only working against the athlete who needs to see and react. When athletes who use these drills as a main focus are required to respond in a chaotic environment like a game, their own muscle memory could work against them—tip-toeing gracefully around a defender instead of creating a quick and powerful movement, only to get blasted by a guy the athlete didn’t see because they’ve been trained to staring at the ground. Simply put, fast feet do nothing if you don’t go anywhere. Getting better at predetermined movement patterns is not indication of on-field performance as there is very little transfer from a learned movement to a chaotic gametime environment. In the end, there is no way to practice the perfect pattern for football, soccer, hockey, ultimate frisbee, or any other sport for that matter. It is a requirement to react powerfully and quickly, and there certainly isn’t any benefit to staring at the ground.

Instead of wasting precious time on ladder drills, a strong focus on strength and power development with emphasis on both bilateral and unilateral movements are the best approach, not only for performance but injury prevention as well. An example would be the following:

Bilateral Strength – Squats and Deadlift variations

Bilateral Power – Olympic lifts, Box Jumps and Depth Jumps

Unilateral Strength – Split Squat variations and Step-Ups

Unilateral Power – Olympic lifts, Sprints and Penta-Hops

Thinking of the springboard example used earlier, the ground is where we draw speed, how much force we apply to it is the amount of speed we are going to get out of it. Elite-level sprinters can produce over 360 pounds of force per leg when moving at top speed. Good luck tip-toeing your way to those numbers. Force into the ground equals forward motion, this is because speed is a matter of force production and being agile is the ability to react, absorb and overcome inertia, therefore the ability to maintain strength and generate power is the real solution to generating more speed and creating better agility. Once an athlete has corrected any structural imbalances, increased relative strength and reactive/ballistic ability, then and only then is it acceptable to place emphasis on drills utilizing the ladder. However it is important to remember that no drill is a better substitute than having the athlete play their specific sport, as the ladder will never juke one way or try to cross you over.