Agility Training with Clemson Basketball

Many sports require athletes to quickly transition from one movement to another, often in response to a stimulus, such as a ball and/or opponent. Therefore, agility has two primary components: physical and cognitive (Gambetta, 2007). Gamble (2010) suggests that many of the most common tests used to measure agility, like the NFL’s “L-Drill” or the NBA’s “Pro-Lane Shuttle,” do not take into account the cognitive component of agility. Instead, pre-planned agility tests involve no reactive decision making by the athlete and are limited exclusively to physical qualities (acceleration and change of direction). Nonetheless, these “common” agility tests do serve as the foundation of assessing agility and performance. (Gamble, 2010).

At Clemson, we incorporate the Illinois Agility Drill to test our athlete’s sport agility. In fact, we use the test because it includes norm scores from which to benchmark and rank performance. Additionally, it requires minimal equipment (cones and stopwatch) to perform.

Agility Training 

agility, speed, training

Agility is a dynamic quality that encompasses an athlete’s entire movement skills set. Therefore, training to improve agility demands a dynamic and multi-dimensional approach. First and foremost, adequate strength and power produce and absorb force during acceleration, deceleration and change of direction. In fact, these physical qualities enhance through conventional strength and power training methods. Additional methods of enhancing agility include movement skills training, categorized as open and closed agility drills

  • Closed agility drills are pre-planned movement skills including rehearsed movement mechanics and implements (i.e., cones). Closed drills develop the agility ladderAgility ladders are a great tool for developing balance, foot speed, coordination, and eccentric strength, which contribute to agility. Moreover, cones and hurdles are also used for agility training.
  • First and foremost, the cognitive component of agility involves open drills, designed specifically to enhance reaction time and decision making abilities with athlete’s physical components. Reaction time is the elapsed time between recognizing the need to act and initiating the proper action (Klika, 2010).
  • In fact, the physical component involves the athlete’s movement and ability to apply force skillfully. Verstagan and Marcello (2001) state, “agility permits an athlete to react to a stimulus, start quickly and efficiently, move in the correct direction, and be ready to change direction or stop quickly to make a play in a fast, smooth, efficient, and repeatable manner.”

Strength & Power for Agility

As previously mentioned, the enhancement of strength and power will improve the control and explosiveness of the athletic movements involved in sport and agility performance. Of particular interest are:

  • Eccentric strength
  • Rate of force development and
  • Reactive strength

Ultimately, the need to enhance these qualities is illustrated when analyzing agility moments such as changing direction. 

Eccentric Strength

Accordingly, athlete deceleration causes high forces to absorb eccentrically. Emphasizing the eccentric portion of movements can increase the athlete’s abilities to absorb force (Plisk, 2008; Young & Sheppard 2011). Body-weight strength training exercises, such as the Single Leg Bench Hip Lift can easily be manipulated to emphasize the eccentric portion of the movement.body, weight, stretching, agility

Eccentric strength will enhance by emphasizing the ability to “stick” a landing. For example, a Depth Drop/Jump Progression initiates a high eccentric demand in conjunction with body control.

Coaching Tip: A simple test we use to measure force production, force absorption, and asymmetries of the lower body is the Hop & Stop. Originally created by Dr. Paul Juris for the general fitness population in the early 1990’s, it has since been applied to the world of sport as a successful injury prevention screen test. Here is the original abstract of the article published in the Journal of Orthopedic & Sports Physical Therapy.

Rate of Force Development & Reactive Strength

After absorbing forces through deceleration, high forces are then applied in order to re-accelerate and gain momentum (Young & Sheppard, 2011). Rate of force development plays a major role in re-attaining high velocities. 

At Clemson, we utilize velocity based training (VBT) to improve an athlete’s strength and rate of force development. VBT uses velocity as a biometric feedback tool to gauge your weight training on a day-to-day basis. Using velocity to regulate loads is a form of autoregulation in place of a prescribed rep and set scheme based on a 1-Rep Max for an entire month or more of training. Instead, we adjust loads, reps, and sets on a daily/weekly basis based on velocity output.

In fact, the practice of autoregulation helps you target specific qualities and decrease the chances that you over-train. More specifically, velocity output (ex, mean velocity) helps determine how much load you should be adding or removing on a particular set, or if you should move on and try a new exercise altogether. Incidentally, it’s a similar concept to heart rate training zones – stick to a certain training zone and reap the physiological benefits associated with that zone.

Lateral Emphasis Plyometrics

Atraining, agility, speeds the athlete attains a high velocity, ground contact time becomes shorter, in turn decreasing the time available for force application (Jeffreys, 2010). Therefore, reactive strength and stretch shortening cycle capabilities become major determinants of performance.

Plyometric Training enhances these qualities. Furthermore, many agility movements involve movement in multiple planes. Therefore, plyometrics drills for agility should involve movement in multiple planes. In addition, these movements emphasize pushing off the outside and inside of the foot. This ability to powerfully push off the inside of the foot is essential for fast changes of direction (Jeffreys, 2010).

Movement Mechanics 

agility drills, speed training

Newton’s second law states that the rate of change in velocity of an object is in relation to the force applied and is in the direction of the force. Therefore, agility performance is dependent upon not only force-production but also the direction the force is applied. The factors below play a major role in ensuring the force applied is optimized (Jeffreys, 2010):

  • Body alignment (center of mass)
  • Shin angle (foot placement)
  • Body position (athletic position)

Ensuring the athletes understands the concepts of proper athletic position and foot placement are essential.

shin sprints, agility, speed

Here is a great video example demonstrating what positive shin angles bring to the table in lateral movements. In this example, an athlete performing positive shin angle while performing a closed-chain agility drill – the 5-10-5 Shuttle. While his body position relative to the ground is what most notice immediately, what I’m actually looking at are his shin angles relative to his center of mass.

Base of Support

Also, athletes are often unsure when and in what direction they may be required to move making sport agility quite chaotic. Therefore, it is important the athlete maintain a stable athletic position by lowering their center of mass and establishing a reactive base of support. Accordingly, the center of mass is the hypothetical balance point of the body. Be that as it may, in an erect position, it will be at the same point as the center of gravity.

Movement Explained

Movement is created when the center of gravity is shifted away from the center of mass (Verstagan & Marcello, 2001). The athlete’s point of contact with the ground is the base of support. Generally, the larger the base of support the more stable the athlete (Jeffreys, 2010).

In my opinion, two of my favorite foundation agility drills that emphasize shifting center of mass to create movement and proper base of support are the Low Shuffle Push and the Crossover Stick.

Shin Angle

Shin angle, relative to foot position, is an important component of agility performance. When changing direction, the angle of the shin must be placed optimally to allow the force to be applied and expressed in the intended direction. Additionally, the line of force will move from the point of force application (foot on the ground) in a straight line through the athlete’s center of mass. Furthermore, point the foot to allow the line of force to be pointing in the desired direction of movement (Jeffreys, 2010). 

Open and Closed Drills 

As previously mentioned, reaction time and decision-making skills contribute to agility. Additionally, in many sports, athletes must perform movements in reaction to a stimulus, such as a ball or an opponent. However, because game situations develop rapidly, athletes won’t have time to think about what to do. They must react instinctually (Gambetta, 2007).

Additionally, the faster the athlete can analyze and react to the situation at hand, the more likely they are successful. Therefore, training should target the cognitive component in addition to the physical component. Closed Drills train the physical component. Open Drills train cognitive components of reaction and decision making. 

Closed Agility Drills

Accordingly, closed drills are predictable and precisely planned (Plisk, 2008). Additionally, in this pre-programmed environment, athletes know exactly what is expected of them, allowing them to rehearse and optimize movement mechanics (Verstagan & Marcello, 2001).

Coaching Tip: One of my favorite closed drills is the 6-Cone Agility. The cone pattern and spacing suits virtually any sport. Click here to download some agility pattern examples of this universal training tool.
drills, cone drill, agility

Open Agility Drills

From here on, once the athlete has mastered movements in a “pre-programmed” environment via closed drills, coaches move on to open drills. At any rate, these drills involve reacting to a stimulus such as hand claps, hand/body signals or other athletes (Verstagan & Marcello, 2001). Reactive drills require a higher level of neural processing and neuromuscular coordination (Klika, 2010).

Furthermore, these drills can closely resemble the game environment and should be used to prepare the athlete for competition (Klika, 2010). Presently, the focus is the athlete has to utilize their hard-earned physical strength (and some physics) while simultaneously reacting to unknown, unexpected, changing external stimulus. As a a matter of fact, those combinations are exactly what coaches are looking for when designing and incorporating sport agility training.

Agility Exercises

Aagility, training, speeddditionally, here’s an example of an open-drill: Paper-Rock-Scissors is an all-time favorite for our staff and athletes. In fact, we do this as part of our pre-game warm-up because it challenges recognition, reaction, agility, mental focus and body control.

To begin, have players pair up, line up on a line facing each other. Secondly, place a row of cones 5 yards on either side of the player line behind each player. At this point, facing each other in an athletic stance, the players will play Rock-Paper-Scissors.

The loser immediately has to turn and run to the cone behind them, while the winner tries to chase and tag his opponent before they can touch the cone. Lastly, if the loser makes it to the cone successfully, he wins the point. Consequentially, If the winner tags the loser, he gets the point. Therefore, first player to five points wins.

Here is a great video of the Citadel Football team performing the Paper-Rock-Scissor open chain agility drill. Coach Donnell Boucher and his staff took this game back with them after a site visit to Clemson this summer.

For more open-chain, cognitive-reactive agility drills, be sure and check out Jeremy Boone’s, Athlete-by-Design: Movement-Based Gamese-book.


  1. Boyle, M. (2004). Functional training for sports. Champaign, IL: Human Kinetics
  2. Gambetta, V. (2007). Athletic development: The art & science of functional sports conditioning. Champaign, IL: Human Kinetics.
  3. Gamble, P. (2010). Strength and conditioning for team sports: Sport specific physical preparation for high performance. New York, NY: Routledge.
  4. Jeffreys, I. (2010). Gamespeed: Movement training for superior sports performance. Monterey, CA: Coaches Choice. Jennings, L.C., Viljoen, W., Durandt, J., & Lambert, M. L. (2005). The reliability of the fitrodyne as a measure of muscle power. Journal of Strength and Conditioning Research, 12 (4) 559-563.
  5. Klika, B. (2010). Speed, agility, and quickness training for performance enhancement. In Clark, M. A., & Lucett S. C. (Eds.), NASM’s essentials of sport performance training (pp. 227-256). Baltimore, MD: Lippincott Williams & Wilkins.
  6. Plisk, S. (2008). Speed, agility, and speed endurance development. T. Baechle, & R. Earle (Eds.), Essentials of strength training and conditioning, (3nded.) (pp.458-485) Champaign, IL: Human Kinetics.
  7. Stoppani, J. (2010). Time Under Tension: The Scientifically Engineered Set-Timing Technique. Retreived from:
  8. Verstagan, M. & Marcello, B. (2001). In Foran, B.(Ed.), High performance sports conditioning (pp. 139 – 166). Human Kinetics: Champaign, IL.
  9. Young, W. & Sheppard, J. (2011). Speed and agility assessment. In Cardinale M., Newton R. & Nosaka. (Eds.), Strength and conditioning: Biological principles and practical applications. (pp. 271-286). Hoboken, NJ: Wiley-Blackwell.

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