Comparison of velocity and power output data derived from an inertial based system and an optical encoder during squat lifts in a weight room setting

Journal of Sports Medicine and Physical Fitness

Volumn 52, Issue 1, 2012, Pages 40-46

  Squadrone, R ^a   Rodano, R ^b   Preatoni, E ^b,c  

^a AbAcus   (Italy)

^b POLITECNICO DI MILANO   (Italy)

^c University of Bath   (United Kingdom)

Author keywords

Athletic performance; Muscle strength; Soccer; Tennis

Indexed keywords

ADULT; ARTICLE; ATHLETE; BIOMECHANICS; COMPARATIVE STUDY; HUMAN; INSTRUMENTATION; MALE; MUSCLE STRENGTH; PHYSIOLOGY; SPORTS MEDICINE; STATISTICAL MODEL; WEIGHT LIFTING;

ADULT; ATHLETES; BIOMECHANICS; HUMANS; LINEAR MODELS; MALE; MUSCLE STRENGTH; SPORTS MEDICINE; WEIGHT LIFTING; YOUNG ADULT;

EID: 84860143219     PISSN: 00224707     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (24)

1. Schmidtbleicher D. Training for power events. In: Strength and power in sport. London: Blackwell Scientific Publications; 1992. p. 381-95.
2. Baker D. Acute and long-term power response to power training: Observations on the training of an elite power athlete. Strength Cond J 2001;23:47-56. (Pubitemid 33685304)
3. Drinkwater EJ, Galna B, McKenna MJ, Hunt PH, 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 2007;21:510-7.
4. Lawton T, Cronin J, Drinkwater EJ, Lindsell R, Pyne D. Effect of continuous, inter-repetition rest and intra-set rest on bench press power output. Journal of Sports Medicine and Physical Fitness 2004:44:361-7. (Pubitemid 41309931)
5. Jennings CL, Viljoen W, Durandt J, Lambert MI. The reliability of the FitroDyne as a measure of muscle power. J Strength Cond Res 2005;19:859-63. (Pubitemid 41784043)
6. Cronin J, Hing R, Mcnair P. Reliability and validity of a linear position transducer for measuring jump performance. J Strength Cond Res 2004;18:590-3. (Pubitemid 39207782)
7. Cronin J, Mcnair PJ, Marshall RN. Lunge performance and its determinants. J Sports Sci 2003;21:49-57. (Pubitemid 36175598)
8. Bruenger AJ, Smith SL, Sands WA, Leigh MR. Validation of instrumentation to monitor dynamic performance of Olympic weightlifters. J Strength Cond Res 2007;21:492-9.
9. Thompson CJ, Bemben MG. Reliability and comparability of the accelerometer as a measure of muscular power. Med Sci Sports Exerc 1999;31:897-902. (Pubitemid 29262684)
10. Sato K, Smith SL, Sands WA. Validation of an accelerometer for measuring sport performance. J Strength Cond Res 2009;23:341-7.
11. Cotterman ML, Darby LA, Skelly WA. Comparison of muscle force production using the Smith machine and free weights for bench press and squat exercises. J Strength Cond Res 2005;9:169-76. (Pubitemid 40417273)
12. Rehbinder H, Hu X. Drift-free attitude estimation for accelerated rigid bodies. Automatica 2004;40:653-9.
13. Woodman OJ. An introduction to inertial navigation. UCAM-CLTR-TR-696: University of Cambridge, Cambridge; 2007.
14. Bosco C, Belli A, Astrua M, Tihanyi J, Pozzo R, Kellis S et al. A dynamometer for evaluation of dynamic muscle work. Eur J Appl Physiol Occup Physiol 1995;70:379-86.
15. McBride JM, Triplett-McBride T, Davie A, Newton RU. The effect of heavy-vs. light-load jump squats on the development of strength, power, and speed. J Strength Cond Res 2002;16:75-82.
16. Siegel JA, Gilders RM, Staron RS, Hagerman FC. Human muscle power output during upper-and lower-body exercises. J Strength Cond Res 2002;16:173-8.
17. Izquierdo M, Häkkinen K, Gonzalez-Badillo J, Ibanez J, Gorostiaga EM. Effects of long-term training specificity on maximal strength and power of the upper and lower extremities in athletes from different sports. Eur J Appl Physiol 2002;87:264-71. (Pubitemid 41399003)
18. Dugan E, Doyle TLA, Humphries B, Hasson CJ, Newton RU. Determining the optimal load for jump squats: A review of methods and calculations. J Strength Cond Res 2004;18:668-74. (Pubitemid 39207797)
19. Hori N, Newton RU, Andrews WA, Kawamori N, McGuigan MR, Nosaka K. Comparison of four different methods to measure power output during the hang power clean and weighted jump squat. J Strength Cond Res 2007;21:314-20.
20. Wood GA. Data smoothing and differentiation procedures in biomechanics. Exerc Sports Sci Rev 1982;10:308-62.
21. nd edition. New York: John Wiley & Sons; 1990.
22. Hori N, Newton RU, Nosaka K, McGuigan MR. Comparison of different methods of determining power output in weightlifting exercises. Strength Cond J 2006;28:34-40. (Pubitemid 43691384)
23. Casartelli N, Müller R, and Maffiuletti NA. Validity and reliability of the Myotest accelerometric system for the assessment of vertical jump height. J Strength Cond Res 2010;24:3186-93.
24. Feldmann CR, Weiss LW, Ferreira LC, Schilling BK, Hammond KG. Criterion Validity of Accelerometer-derived Peak Power Obtained during Jump Squats. Med Sci Sports Exerc 2010;42:80.