Kinetic and training comparisons between assisted, resisted, and free countermovement jumps

Journal of Strength and Conditioning Research

Volumn 25, Issue 8, 2011, Pages 2219-2227

  Argus, Christos K ^a   Gill, Nicholas D ^a   Keogh, Justin W L ^a   Blazevich, Anthony J ^b   Hopkins, Will G ^a  

^a AUCKLAND UNIVERSITY OF TECHNOLOGY   (New Zealand)

^b EDITH COWAN UNIVERSITY   (Australia)

Author keywords

Elite athletes; In season; Rugby union; Vertical jump

Indexed keywords

ADULT; ARTICLE; ATHLETE; ATHLETIC PERFORMANCE; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; FOOTBALL; HUMAN; MALE; MUSCLE STRENGTH; PHYSIOLOGY; RANDOMIZED CONTROLLED TRIAL; RESISTANCE TRAINING; SKELETAL MUSCLE;

ADULT; ATHLETES; ATHLETIC PERFORMANCE; FOOTBALL; HUMANS; MALE; MUSCLE STRENGTH; MUSCLE, SKELETAL; RESISTANCE TRAINING; YOUNG ADULT;

EID: 80052742552     PISSN: 10648011     EISSN: None     Source Type: Journal    
DOI: 10.1519/JSC.0b013e3181f6b0f4     Document Type: Article

References (35)

1. Andersen, JL, Klitgaard, H, and Saltin, B. Myosin heavy chain isoforms in single fibres from m. vastus lateralis of sprinters: influence of training. Acta Physiol Scand 151: 135-142, 1994.
2. Argus, CK, Gill, ND, Keogh, JWL, Hopkins, WG, and Beaven, CM. Changes in strength, power and steroid hormones during a professional rugby union competition. J Strength Cond Res 23: 1583- 1592, 2009.
3. Baker, D. A series of studies on the training of high-intensity muscle power in rugby league football players. J Strength Cond Res 15: 198- 209, 2001. (Pubitemid 33656967)
4. Baker, D and Newton, RU. Acute effect on power output of alternating an agonist and antagonist muscle exercise during complex training. J Strength Cond Res 19: 202-205, 2005. (Pubitemid 40417278)
5. Baker, DG and Newton, RU. Adaptations in upper-body maximal strength and power output resulting from long-term resistance training in experienced strength-power athletes. J Strength Cond Res 20: 541-546, 2006. (Pubitemid 44448641)
6. Behm, DG. Neuromuscular implications and applications of resistance training. J Strength Cond Res 9: 264-274, 1995. (Pubitemid 126001694)
7. Blazevich, AJ, Gill, ND, Bronks, R, and Newton, RU. Trainingspecific muscle architecture adaptation after 5-wk training in athletes. Med Sci Sports Excer 35: 2013-2022, 2003. (Pubitemid 37509700)
8. Blazevich, AJ, Horne, S, Cannavan, D, Coleman, DR, and Aagaard, P. Effect of contraction mode of slow-speed resistance training on the maximum rate of force development in the human quadriceps. Muscle Nerve 38: 1133-1146, 2008.
9. Bottinelli, R, Canepari, M, Pellegrino, MA, and Reggiani, C. Forcevelocity properties of human skeletal muscle fibres: Myosin heavy chain isoform and temperature dependence. J Physiol 495: 573-586, 1996. (Pubitemid 26331837)
10. Cavagna, GA, Zamboni, A, Faraggiana, T, and Margaria, R. Jumping on the moon: Power output at different gravity values. Aerospace Med 43: 408-414, 1972.
11. Corn, RJ and Knudson, D. Effect of elastic-cord towing on the kinematics of the acceleration phase of sprinting. J Strength Cond Res 17: 72-75, 2003. (Pubitemid 36313315)
12. Cronin, J, McNair, PJ, and Marshall, RN. The effects of bungy weight training on muscle function and functional performance. J Sport Sci 21: 59, 2003.
13. Doan, BK, Newton, RU, Marsit, JL, Triplett-McBride, NT, Koziris, LP, Fry, AC, and Kraemer, WJ. Effects of increased eccentric loading on bench press 1RM. J Strength Cond Res 16: 9-13, 2002.
14. Drinkwater, EJ, Galna, B, McKenna, MJ, Hunt, PH, and Pyne, DB. Validation of an optical encoder during free weight resistance movements and analysis of bench press sticking point power during fatigue. J Strength Cond Res 21: 510-517, 2007.
15. Dugan, EL, Doyle, TLA, Humphries, B, Hasson, CJ, and Newton, RU. Determining the optimal load for jump squats: A review of methods and calculations. J Strength Cond Res 18: 668-674, 2004. (Pubitemid 39207797)
16. Duthie, GM, Young, WB, and Aitken, DA. The acute effects of heavy loads on jump squat performance: An evaluation of the complex and contrast methods of power development. J Strength Cond Res 16: 530-538, 2002.
17. Hanson, ED, Leigh, S, and Mynark, RG. Acute effects of heavy- and light-load squat exercise on the kinetic measures vertical jumping. J Strength Cond Res 21: 1012-1017, 2007.
18. Harris, GR, Stone, MH, O'Bryant, HS, Proulx, CM, and Johnson, RL. Short-term performance effects on high power, high force, or combined weight-training methods. J Strength Cond Res 14: 14-20, 2000.
19. Hill, A. The heat of shortening and the dynamic constants of muscle. Proc R Soc Lond 126: 136-195, 1938.
20. Hopkins, WG. Probabilities of clinical or practical significance. Sportscience 6. Available at: sportsci.org/jour/0201/wghprob.htm. Accessed June 1, 2008.
21. Hopkins, WG. Spreadsheets for analysis of controlled trials with adjustment for a predictor. Sportscience 10. Available at: sportsci.org/2006/ wghcontrial.htm. 2006. Accessed June 1, 2008.
22. Kilgallon, M and Beard, A. The assisted jump squat. J Aust Strength Cond 17: 30-32, 2009.
23. Kraemer, WJ and Newton, RU. Training for muscular power. Phys Med Rehab Clin North Am 11: 341, 2000.
24. Kubo, K, Kanehisa, H, Takeshita, D, Kawakami, Y, Fukashiro, S, and Fukunaga, T. In vivo dynamics of human medial gastrocnemius muscle-tendon complex during stretch-shortening cycle exercise. Acta Physiol Scand 170: 127-135, 2000.
25. Larsson, L and Moss, RL. Maximum velocity of shortening in relation to myosin isoform composition in single fibres from human skeletal muscles. J Physiol 472: 595-614, 1993. (Pubitemid 24015023)
26. Majdell, R and Alexander, MJL. The effect of overspeed training on kinematic variables in sprinting. J Hum Mov Stud 21: 19-39, 1991.
27. Mangine, GT, Ratamess, NA, Hoffman, JR, Faigenbaum, AD, Kang, J, and Chilakos, A. The effects of combined ballistic and heavy resistance training on maximal lower- and upper-body strength in recreationally trained men. J Strength Cond Res 22: 132-139, 2008.
28. Markovic, G and Jaric, S. Positive and negative loading and mechanical output in maximum vertical jumping. Med Sci Sports Exerc 39: 1757-1764, 2007. (Pubitemid 47511483)
29. Mero, A and Komi, PV. Force-, EMG-, and elasticity-velocity relationships at submaximal, maximal and supramaximal running speeds in sprinters. Eur J Appl Physiol Occup Physiol 55: 553-561, 1986. (Pubitemid 16050044)
30. Newton, RU and Kraemer, WJ. Developing explosive muscular power: Implications for a mixed methods training strategy. Strength Cond J 16: 20-31, 1994.
31. Newton, RU, Kraemer, WJ, and Häkkinen, K. Effects of ballistic training on preseason preparation of elite volleyball players. Med Sci Sport Exercise 31: 323-330, 1999. (Pubitemid 29095559)
32. Newton, RU, Kraemer, WJ, Häkkinen, K, Humphries, BJ, and Murphy, AJ. Kinematics, kinetics, and muscle activation during explosive upper body movements. J Appl Biomech 12: 31-43, 1996. (Pubitemid 26056663)
33. Sheppard, J, Hobson, S, Barker, M, Taylor, K, Chapman, D, McGuigan, M, and Newton, R. The effect of training with accentuated eccentric load counter-movement jumps on strength and power characteristics of high-performance volleyball players. Int J Sport Sci Coach 3: 355-363, 2008.
34. Vescovi, JD and McGuigan, MR. Relationships between sprinting, agility, and jump ability in female athletes. J Sport Sci 26: 97-107, 2008. (Pubitemid 350148648)
35. Young, WB, Jenner, A, and Griffiths, K. Acute enhancement of power performance from heavy load squats. J Strength Cond Res 12: 82-84, 1998.