Effects of Exercise Continued Until Anaerobic Threshold on Balance Performance in Male Basketball Players
The objective of the present study was to determine the effects of exercise continued until the anaerobic threshold on balance performance in basketball players. Twelve male basketball players (age = 20.92 ± 2.81 years, body height = 192.72 ± 7.61 cm, body mass = 88.09 ± 8.41 kg, training experience = 7.17 ± 3.10 years) volunteered to participate in this study. A Kinesthetic Ability Trainer (KAT 2000 stabilometer) was used to measure the balance performance. Balance tests consisted of static tests on dominant, nondominant and double leg stance. The Bruce Protocol was performed by means of a treadmill. The exercise protocol was terminated when the subject passed the anaerobic threshold. After the exercise protocol, balance measurements were immediately repeated. Statistical differences between pre and post-exercise for dominant, nondominant and double leg stance were determined by the paired samples t-test according to the results of the test of normality. The post-exercise balance score on the dominant leg was significantly higher than pre-exercise (t = -2.758, p < 0.05). No differences existed between pre- and postexercise in the balance scores of the nondominant leg after the exercise protocol (t = 0.428, p > 0.05). A significant difference was found between pre and post-exercise balance scores in the double leg stance (t = -2.354, p < 0.05). The main finding of this study was that an incremental exercise continued until the anaerobic threshold decreased balance performance on the dominant leg in basketball players, but did not alter it in the nondominant leg.
Ageberg E, Roberts D, Holmstrom E, Friden T. Balance in single-limb stance in healthy subjects - reliability of testing procedure and the effect of short-duration sub-maximal cycling. BMJ Musculoskel Dis, 2003; 4: 14.
Anderson K, Behm DG. The impact of instability resistance training on balance and stability. Sports Med, 2005; 35(1): 43-53.
Arendt EA, Agel J, Dick R. Anterior cruciate ligament injury patterns among collegiate men and women. J Athl Training, 1999; 34(2): 86-92.
Beaver WL, Wasserman K, Whipp BJ. A new method for detecting anaerobic threshold by gas exchange. J Appl Physiol, 1986; 60: 2020-2027.
Bruce RA. Multi-stage treadmill tests of maximal and submaximal exercise. In: A Handbook for Physicians, Exercise Testing and Training of Apparently Healthy Individuals. New York: American Heart Association. 1972.
Demura S, Uchiyama M. Influence of anaerobic and aerobic exercises on the center of pressure during an upright posture. J Exerc Sci Fit, 2009; l7 (1): 39-47.
Devita P, Skelly WA. Effect of landing stiffness on joint kinetics and energetic in the lower extremity. Med Sci Sports Exerc, 1992; 24: 108-115.
Gray J, Taunton JE, McKenzie DC, Clement DB, McConkey JP, Davidson RG. A survey of injuries to the anterior cruciate ligament of the knee in female basketball players. Int J Sports Med, 1985; 6: 314-316.
Gribble PA, Hertel J. Effect of lower-extremity muscle fatigue on postural control. Arch Phys Med Rehabil, 2004; 85: 589-92.
Hanon C, Thepaut-Mathieu C, Hausswirth C, Le Chevalier JM. Electromyogram as an indicator of neuromuscular fatigue during incremental exercise. Eur J Appl Physiol, 1998; 78: 315-323.
Hansen MS, Dieckmann B, Jensen K, Jakobsen BW. The reliability of balance tests performed on the kinesthetic ability trainer (KAT 2000). Knee Surg Sport Tr A, 2000; 8: 180-185.
Ishikawa T, Takemiya T. Endurance Science. Tokyo: Kyourin. 1994.
Janssen P. Lactate threshold Training. Human Kinetics, Champaign, IL: Human Kinetics. 2001.
Kellis S, Gerodimos V, Kellis E, Manou V. Bilateral isokinetic concentric and eccentric strength profiles of the knee extensors and flexors in young soccer players. Isokinet Exerc Sci, 2001; 9: 31-39.
Khanna P, Kapoor G, Zutshi K. Balance deficits and recovery timeline after different fatigue protocols. Indian Journal of Physiotherapy and Occupational Therapy, 2008; 2(3): 42-54.