The T-Test is a simple running test of agility, involving forward, lateral, and backward movements, appropriate to a wide range of sports.

Test Purpose and Overview

Test purpose: The T-Test is a test of agility for athletes, and includes forward, lateral, and backwards running. It measures an athlete's ability to quickly change direction, making it relevant for sports like basketball, soccer, tennis, and football where multidirectional speed is essential.

Equipment Required

Equipment required: tape measure, marking cones, stopwatch, timing gates (optional)

Pre-Test Procedures

Pre-test: Explain the test procedures to the subject. Perform screening of health risks and obtain informed consent. Prepare forms and record basic information such as age, height, body weight, gender, test conditions. Measure and mark out test area. Perform an appropriate warm-up. See more details of pre-test procedures.

Test Setup and Procedure

t test of agility diagram showing cone placement

Test setup: Set out four cones as illustrated in the diagram above (5 yards = 4.57 m, 10 yards = 9.14 m).

Procedure: The subject starts at cone A. On the command of the timer, the subject sprints to cone B and touches the base of the cone with their right hand. They then turn left and shuffle sideways to cone C, and also touches its base, this time with their left hand. Then shuffling sideways to the right to cone D and touching the base with the right hand. They then shuffle back to cone B touching with the left hand, and run backwards to cone A. The stopwatch is stopped as they pass cone A.

Scoring and Normative Data

Scoring: The trial will not be counted if the subject crosses one foot in front of the other while shuffling, fails to touch the base of the cones, or fails to face forward throughout the test. Take the best time of three successful trials to the nearest 0.1 seconds. The table below shows some scores for adult team sport athletes.

Rating Males (seconds) Females (seconds)
Excellent < 9.5 < 10.5
Good 9.5 to 10.5 10.5 to 11.5
Average 10.5 to 11.5 11.5 to 12.5
Poor > 11.5 > 12.5

Test Comments and Considerations

Comments: Ensure that the participants face forwards when shuffling and do not cross the feet over one another. For safety, a spotter should be positioned a few meters behind cone A to catch players in case they fall while running backward through the finish.

Reliability: The type of surface that is used should be consistent to ensure good test-retest reliability. Research by Pauole et al. (2000) found the T-Test to have good reliability (r = 0.98 for males, r = 0.90 for females) when conducted under standardized conditions.

Advantages and Disadvantages

Advantages: This is a simple agility test to perform, requiring limited equipment and space. It effectively measures multidirectional speed and change-of-direction ability relevant to many sports.

Disadvantages: Only one person can perform the test at a time. The test does not account for sport-specific movement patterns, and results can vary based on footwear and surface type.

Sport-Specific Applications

The T-Test is widely used across multiple sports where lateral movement and quick direction changes are essential:

Basketball: Guards and forwards frequently use lateral shuffles and quick direction changes when defending and attacking. Elite basketball players typically achieve T-Test times under 9.0 seconds for males.

Soccer/Football: Midfielders and defenders need excellent lateral agility for marking opponents and recovering defensive positions. The test closely mimics defensive shuffling movements.

Tennis: Court coverage requires explosive lateral movement to reach wide balls. The T-Test pattern mirrors recovery movements after hitting shots.

American Football: Defensive backs, linebackers, and wide receivers all benefit from superior T-Test performance. The combine uses similar agility assessments for player evaluation.

Pro Tip: Practice the T-Test pattern at slower speeds first to master the shuffling technique without crossing feet. Once the movement pattern is automatic, gradually increase speed to achieve your best time.

How to Improve Your T-Test Time

If your T-Test results indicate room for improvement, focus on these training strategies:

Lateral Shuffle Drills: Practice side-to-side shuffling over various distances, maintaining low hip position and avoiding crossing feet. Start with 5-yard shuffles and progress to 10+ yards.

Cone Agility Work: Set up various cone patterns and practice rapid direction changes. The 5-10-5 shuttle and pro agility drills complement T-Test training well.

Plyometric Training: Lateral bounds, box jumps, and split squat jumps develop the explosive power needed for quick direction changes.

Lower Body Strength: Squats, lunges, and single-leg exercises build the foundational strength that supports agility movements.

Frequently Asked Questions

What is a good T-Test agility time?

For adult male team sport athletes, an excellent T-Test time is under 9.5 seconds, while good is 9.5-10.5 seconds. For females, excellent is under 10.5 seconds and good is 10.5-11.5 seconds. Elite athletes in agility-dependent sports often achieve times below these thresholds.

How do you set up the T-Test correctly?

Set up four cones in a T shape: place cone A at the start line, cone B exactly 10 yards (9.14 meters) directly ahead, then place cones C and D each 5 yards (4.57 meters) to the left and right of cone B, forming the top of the T.

What does the T-Test measure?

The T-Test measures agility, specifically the ability to change direction quickly while maintaining control. It assesses forward sprinting speed, lateral shuffling ability, and backward running, making it a comprehensive multidirectional agility assessment.

How many trials should I do for the T-Test?

You should perform three valid trials and record the best time as your official score. Failed trials where you cross your feet while shuffling, fail to touch cone bases, or turn away from the forward-facing position do not count.

What sports commonly use the T-Test?

The T-Test is commonly used in basketball, soccer, American football, tennis, volleyball, hockey, rugby, and lacrosse. Any sport requiring quick changes of direction, lateral movement, and multidirectional speed benefits from this assessment.

Why is my T-Test time slower than average?

Slower times often result from poor lateral movement technique, inadvertently crossing feet during shuffles, inadequate warm-up, or limited change-of-direction training. Focus on proper shuffling mechanics and include lateral agility drills in your training program.

How can I improve my T-Test time?

Improve your T-Test time through dedicated lateral shuffle drills, cone agility work, plyometric training for explosive power, and strengthening your lower body. Practice the specific movement pattern regularly and focus on maintaining proper technique at increasing speeds.

References

  1. Semenick, D. (1990). "The T-test." NSCA Journal, 12(1), 36-37.
  2. Pauole, K., Madole, K., Garhammer, J., Lacourse, M., & Rozenek, R. (2000). "Reliability and Validity of the T-Test as a Measure of Agility, Leg Power, and Leg Speed in College-Aged Men and Women." Journal of Strength and Conditioning Research, 14(4), 443-450.
  3. Sheppard, J.M., & Young, W.B. (2006). "Agility literature review: Classifications, training and testing." Journal of Sports Sciences, 24(9), 919-932.
  4. Sassi, R.H., Dardouri, W., Yahmed, M.H., Gmada, N., Mahfoudhi, M.E., & Gharbi, Z. (2009). "Relative and absolute reliability of a modified agility T-test and its relationship with vertical jump and straight sprint." Journal of Strength and Conditioning Research, 23(6), 1644-1651.
  5. Lockie, R.G., Schultz, A.B., Callaghan, S.J., Jeffriess, M.D., & Berry, S.P. (2013). "Reliability and validity of a new test of change-of-direction speed for field-based sports." Journal of Sports Science and Medicine, 12(1), 88-96.
  6. Nimphius, S., Callaghan, S.J., Spiteri, T., & Lockie, R.G. (2016). "Change of Direction Deficit: A More Isolated Measure of Change of Direction Performance Than Total 505 Time." Journal of Strength and Conditioning Research, 30(11), 3024-3032.
  7. Scanlan, A.T., Tucker, P.S., & Dalbo, V.J. (2014). "A comparison of linear speed, closed-skill agility, and open-skill agility qualities between backcourt and frontcourt adult semiprofessional male basketball players." Journal of Strength and Conditioning Research, 28(5), 1319-1327.