1S2P Ltd., Laboratory for Motor Control and Motor Behaviour, Ljubljana, Slovenia; University of Primorska, Andrej Marusic Institute, Department of Health Study, Koper, Slovenia
2University of Primorska, Faculty of Mathematics, Natural Sciences and Information Technologies, Koper, Slovenia
3University of Dundee, School of Medicine, Department of Orthopaedic & Trauma Surgery, Dundee, Scotland
The acute effects of hip abductors fatigue on postural balance
The aim of this study was to investigate the effects of unilateral hip abductor fatigue on body sway in ipsilateral and contralateral single legged stance. Acute effects repeated measurements design. Thirteen recreationally active middle aged subjects participated in the study. All subjects performed two 30s repetitions of unilateral stance on each leg. The first measurement was obtained at baseline, the second followed a control protocol of active hip abduction in supine position without additional resistance and the third measurement was conducted as aforementioned second protocol, only against elastic resistance. The center of pressure (CoP) movement characteristics during single-leg quiet stance (i.e. body sway) were analyzed by calculating the average velocity of the CoP movement and direction specific (medial-lateral and anterior-posterior) average velocity, amplitude and frequency of the CoP mo¬ve¬ment. The results of this study indicate that fatigue significantly affected body sway in both single leg stances (p < 0.05) and in both medial-lateral and anterior-posterior direction. However, medial-lateral body sway tended to be increased more than in anterior-posterior direction. A significant crossover effect of increased body sway on the opposing limb suggests that in addition to local muscle fatigue, changes in central nervous system might have taken place. The above findings are of greater importance as they allow a more thorough insight into the mechanisms responsible for controlling balance that could have an important implication on designing training programs.
balance, body sway, fatigue, unilateral stance
Allum, J. H., Bloem, B. R., Carpenter, M. G., Hulliger, M., & Hadders-Algra, M. (1998). Proprioceptive control of posture: a review of new concepts. Gait Posture, 8(3), 214-242.
Benvenuti, F. (2001). Physiology of human balance. Adv Neurol, 87, 41-51.
Bisson, E. J., Chopra, S., Azzi, E., Morgan, A., & Bilodeau, M. (2010). Acute effects of fatigue of the plantarflexor muscles on different postural tasks. Gait Posture, 32(4), 482-486. doi: 10.1016/j.gaitpost.2010.07.006
Bisson, E. J., McEwen, D., Lajoie, Y., & Bilodeau, M. (2011). Effects of ankle and hip muscle fatigue on postural sway and attentional demands during unipedal stance. Gait Posture, 33(1), 83-87. doi: 10.1016/j.gaitpost.2010.10.001
Boyas, S., Hajj, M., & Bilodeau, M. (2013). Influence of ankle plantarflexor fatigue on postural sway, lower limb articular angles, and postural strategies during unipedal quiet standing. Gait Posture, 37(4), 547-551. doi: 10.1016/j.gaitpost. 2012.09.014
Boyas, S., Remaud, A., Bisson, E. J., Cadieux, S., Morel, B., & Bilodeau, M. (2011). Impairment in postural control is greater when ankle plantarflexors and dorsiflexors are fatigued simultaneously than when fatigued separately. Gait Posture, 34(2), 254-259. doi: 10.1016/j.gaitpost.2011.05.009
Fischer, M., & Schafer, S. S. (2005). Effects of changes in pH on the afferent impulse activity of isolated cat muscle spindles. Brain Res, 1043(1-2), 163-178. doi: 10.1016/j.brainres. 2005.02.059
Fortier, S., Basset, F. A., Billaut, F., Behm, D., & Teasdale, N. (2010). Which type of repetitive muscle contractions induces a greater acute impairment of position sense? J Electromyogr Kinesiol, 20(2), 298-304. doi: 10.1016/j.jelekin.2009.04.002
Gehring, D., Melnyk, M., & Gollhofer, A. (2009). Gender and fatigue have influence on knee joint control strategies during landing. Clin Biomech (Bristol, Avon), 24(1), 82-87. doi: 10.1016/j.clinbiomech.2008.07.005
Gribble, P. A., & Hertel, J. (2004). Effect of hip and ankle muscle fatigue on unipedal postural control. J Electromyogr Kinesiol, 14(6), 641-646. doi: 10.1016/j.jelekin.2004.05.001
Halperin, I., Chapman, D. W., & Behm, D. G. (2015). Non-local muscle fatigue: effects and possible mechanisms. Eur J Appl Physiol, 115(10), 2031-2048. doi: 10.1007/s00421-015-3249-y
Hung, Y. J. (2015). Neuromuscular control and rehabilitation of the unstable ankle. World J Orthop, 6(5), 434-438. doi: 10. 5312/wjo.v6.i5.434
Lee, M., & Carroll, T. J. (2007). Cross education: possible mechanisms for the contralateral effects of unilateral resistance training. Sports Med, 37(1), 1-14.
Lee, S. P., & Powers, C. M. (2014). Individuals with diminished hip abductor muscle strength exhibit altered ankle biomechanics and neuromuscular activation during unipedal balance tasks. Gait Posture, 39(3), 933-938. doi: 10.1016/j.gaitpost. 2013.12.004
Neumann, D. A. (2010). Kinesiology of the hip: a focus on muscular actions. J Orthop Sports Phys Ther, 40(2), 82-94. doi: 10.2519/jospt.2010.3025
Proske, U., & Gandevia, S. C. (2012). The proprioceptive senses: their roles in signaling body shape, body position and movement, and muscle force. Physiol Rev, 92(4), 1651-1697. doi: 10.1152/physrev.00048.2011
Reimer, R. C., 3rd, & Wikstrom, E. A. (2010). Functional fatigue of the hip and ankle musculature cause similar alterations in single leg stance postural control. J Sci Med Sport, 13 (1), 161-166. doi: 10.1016/j.jsams.2009.01.001
Salavati, M., Moghadam, M., Ebrahimi, I., & Arab, A. M. (2007). Changes in postural stability with fatigue of lower extremity frontal and sagittal plane movers. Gait Posture, 26(2), 214-218. doi: 10.1016/j.gaitpost.2006.09.001
Sarabon, N., Rosker, J., Loefler, S., & Kern, H. (2013). The effect of vision elimination during quiet stance tasks with different feet positions. Gait Posture. doi: 10.1016/j.gaitpost.2013. 03.005
Ward, S. R., Winters, T. M., & Blemker, S. S. (2010). The architectural design of the gluteal muscle group: implications for movement and rehabilitation. J Orthop Sports Phys Ther, 40(2), 95-102. doi: 10.2519/jospt.2010.3302
Winter, D. A. (1995). Human balance and posture control during standing and walking. Gait Posture, 3(4), 193-214. doi: http://dx.doi.org/10.1016/0966-6362(96)82849-9.