Adams, K., O'Shea, J.P., O'Shea, K.L. and Climstein, M. (1992) The effects of six weeks of squat, plyometrics, and squat plyometric training on power production. Journal of Applied Sports Science Research 6, 36-41.

Anderst, W.J., Eksten, F. and Koceja, D.M. (1994) Effects of plyometric and explosive resistance training on lower body power. Medicine and Science in Sport and Exercise 226, S31.

Asmussen, E. and Bonde-Peterson, F. (1974) Apparent efficiency and storage of elastic energy in human muscles during exercise. Acta Physiologica Scandinavica 92, 537-545.

Baechle, T.R. and Earle, R.W. (2000) Essentials of strength training and conditioning. 2nd edition. Champaign, IL: National Strength and Conditioning Association.

Barnes, M. and Attaway, J. (1996) Agility and conditioning of the San Francisco 49ers. Strength and Conditioning 118, 10-16.

Bebi, J., Cresswell, A., Engel, T. and Nicoi, S. (1987) Increase in jumping height associated with maximal effort vertical depth jumps. Research Quarterly for Exercise and Sport 558, 11-15.

Bobbert, M. (1990) Drop jumping as a training method for jumping ability. Sports Medicine 99, 7-22.

Brown, M.E., Mayhew, J.L. and Boleach, L.W. (1986) Effects of plyometric training on vertical jump performance in high school basketball players. Journal of Sports Medicine and Physical Fitness 26, 1-4.

Buttifant, D., Graham, K. and Cross, K. (1999) Agility and speed of soccer players are two different performance parameter. Journal of Sports Science 117, 809.

Cavagna, G. (1977) Storage and utilization of elastic energy in skeletal muscle. Exercise and Sports Sciences Reviews 5, 89-129.

Chu, D.A. (1998) Jumping into plyometrics. Champaign, IL: Human Kinetics.

Clutch, D., Wilton, B., McGown, M. and Byrce, G.R. (1983) The effect of depth jumps and weight training on leg strength and vertical jump. Research Quarterly for Exercise and Sport 554, 5-10.

Craig, B.W. (2004) What is the scientific basis of speed and agility? Strength and Conditioning 226(3), 13-14.

Draper, J.A. and Lancaster, M.G. (1985) The 505 Test: A test for agility in the horizontal plane. Australian Journal of Science and Medicine in Sport 117, 15-18.

Harrison, A.J. and Gaffney, S. (2001) Motor development and gender effects on stretch-shortening cycle performance. Journal of Science and Medicine in Sport 4, 406-415.

Hennessy, L. and Kilty, J. (2001) Relationship of the stretch-shortening cycle to spring performance in trained female athletes. Journal of Strength and Conditioning Research 15, 326-331.

Hewett, T.E., Stroupe, A.L., Nance, T.A. and Noyes, F.R. (1996) Plyometric training in female athletes. Decreased impact forces and increased hamstring torques. American Journal of Sports Medicine 24, 765-773.

Holcomb, W.R., Lander, J.E., Rutland, R.M. and Wilson, G.D. (1996) A biomechanical analysis of the vertical jump and three modified plyometric depth jumps. Journal of Strength and Conditioning Research 110,, 83-88.

Komi, P.V. (1992) The stretch-shortening cycle. In: Strength and power in sport. Boston, Mass: Blackwell Scientific. 169-179.

Mayhew, J., Piper, F., Schwegler, T.M. and Ball, T.E. (1989). Contributions of speed, agility and body composition to anaerobic power measurements in college football players. Journal of Applied Sports Science Research 33, 101-106.

Miller, J.M., Hilbert, S.C. and Brown, L.E. (2001) Speed, quickness, and agility training for senior tennis players. Strength and Conditioning 223(5), 62-66.

Miller, M.G., Berry, D.C., Bullard, S. and Gilders, R. (2002) Comparisons of land-based and aquatic-based plyometric programs during an 8-week training period. Journal of Sports Rehabilitation 111, 269-283.

Paasuke, M., Ereline, J. and Gapeyeva, H. (2001) Knee extensor muscle strength and vertical jumping performance characteristics in pre and post-pubertal boys. Pediatric Exercise Science 113, 60-69.

Parsons, L.S. and Jones, M.T. (1998) Development of speed, agility and quickness for tennis athletes. Strength and Conditioning 220(3), 14-19.

Pauole, K., Madole, K. and Lacourse, M. (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, 443-450.

Pfeiffer, R. (1999) Plyometrics in sports injury rehabilitation. Athletic Therapy Today 4(3), 5.

Piper, T.J. and Erdmann, L.D. (1998) A 4 step plyometric program. Strength and Conditioning 220(6), 72-73.

Potteiger, J.A., Lockwood, R.H., Haub, M.D., Dolezal, B.A., Alumzaini, K.S., Schroeder, J.M. and Zebas, C.J. (1999) Muscle power and fiber characteristic following 8 weeks of plyometric training. Journal of Strength and Conditioning Research 113, 275- 279.

Read, M. (1996) An off-season strength and conditioning program for hockey. Strength and Conditioning 118(6), 36-39.

Renfro, G. (1999) Summer plyometric training for football and its effect on speed and agility. Strength and Conditioning 21(3), 42-44.

Robinson, B.M. and Owens, B. (2004) Five-week program to increase agility, speed, and power in the preparation phase of a yearly training plan. Strength and Conditioning 26(5), 30-35.

Roozen, M. (2004) Illinois agility test. NSCA's Performance Training Journal 3(5), 5-6.

Roper, R.L. (1998) Incorporating agility training and backward movement into a plyometric program. Strength and Conditioning 20 (4), 60-63.

Stone, M.H. and O'Bryant, H.S. (1984) Weight Training: A scientific approach. Minneapolis: Burgess.

Twist, P.W. and Benicky, D. (1996) Conditioning lateral movements for multi-sport athletes: Practical strength and quickness drills. Strength and Conditioning 18(5), 10-19.

Wathen, D. (1993) Literature review: explosive/ plyometric exercises. Strength and Conditioning 115(3), 17-19.

Wilson, G.J., Newton, R.U., Murphy, A.J. and Humphries, B.J. (1993) The optimal training load for the development of dynamic athletic performance. Medicine and Science in Sports and Exercise 25, 1279-1286.

Yap, C.W. and Brown, L.E. (2000) Development of speed, agility, and quickness for the female soccer athlete. Strength and Conditioning 22, 9-12.

Young, W., Hawken, M. and McDonald, L. (1996) Relationship between speed, agility and strength qualities in Australian Rules football. Strength and Conditioning Coach 44, 3-6.

Young, W.B., McDowell, M.H. and Scarlett, B.J. (2001) Specificity of spring and agility training methods. Journal of Strength and Conditioning Research 115, 315-319.