ISOTONIC VS. ISOKINETIC AQUATIC TRAINING: IMPROVEMENT OF THE NEUROMUSCULAR CONTROL OF THE LOWER LIMBS IN HEALTHY AND UNTRAINED FEMALES

Authors

  • Judit-Klára MARIAN Kinetoterapeut voluntar la Centrul de zi pentru persoane vârstnice, Aleșd. m_judith17@yahoo.com
  • Nicolae Horațiu POP Universitatea „Babeș-Bolyai” Cluj-Napoca, Facultatea de Educație Fizică și Sport. nicolae.pop@ubbcluj.ro https://orcid.org/0000-0002-7029-2972

Keywords:

isotonic, isokinetic, neuromuscular control, lower limb

Abstract

Introduction. The most important advantage of isotonic training is that there is no need for the human body to perform adjusting processes during execution: hence the accuracy of movement is less perturbed. Recent studies have shown balance and stability improvements after isokinetic training performed either by dynamometer or aquatic programs. Purposes. Our primary goal was to determine what the difference is between concentric isotonic and aquatic isokinetic training programs and how much these types of trainings affect the neuromuscular control of the lower limbs. Improving the subjects’ fitness level and their motivation to exercise regularly was the secondary goal of this study. Methods. Ten young, healthy and untrained female adults participated in this study. The subjects were divided into two groups: aquatic (n=5) and fitness (n=5). Before and after training the subjects’ lower limb neuromuscular control was assessed by the Shark Skill test (SST). The aquatic group (AG) trained in a 1.5 meter deep swimming pool, while the fitness group (FG) trained at a gym, using weights. The subjects of both groups trained for six weeks, three times per week. Results. The final SST proved bilateral amelioration of the neuromuscular control for AG, while FG improved unilaterally. The dominant limb improved more than the non-dominant one. The length of the lower limb negatively influenced the initial SST scores, especially at the FG. The tallest subjects of the AG developed the most their neuromuscular control. Conclusions. Post-experimental neuromuscular control improved in both groups. We did not find evidence that a group improved more than the other. The length of the lower limb negatively influences the neuromuscular control, but it can be developed due to regular training sessions of the lower extremity. The subjects’ fitness level and motivation for regular training increased.

Compararea antrenamentului izotonic cu antrenamentul izokinetic acvatic: îmbunătățirea controlului neuromuscular al membrelor inferioare la femei sănătoase și neantrenate. Introducere. Principalul avantaj impus de antrenamentul izotonic se manifestă prin absența capacității de adaptare a organismului pe parcursul exersării, facilitând o execuție mai precisă, lipsită de factori perturbători. Studii recente dovedesc ameliorarea echilibrului, în consecință și a stabilității, în urma antrenamentelor izokinetice fie pe dispozitiv, fie în mediul acvatic. Obiective. Depistarea diferenței dintre efectele antrenamentului izokinetic acvatic și antrenamentului izotonic concentric asupra controlului neuromuscular al membrelor inferioare a reprezentat obiectivul primordial. Secundar, am urmărit creșterea nivelului de fitness al subiecților și dezvolarea motivației acestora de a efectua exercițiu fizic. Metode. Zece subiecți tineri, sănătoși, neantrenați și de sex feminin au participat la acest experiment. Aceștia au fost evaluați prin testul Shark (SST) și împărțiți în două grupe experimentale: lotul bazin (n=5) și lotul fitness (n=5). Lotul bazin (AG) s-a antrenat la o adâncime a apei de 1.5 metri, iar lotul fitness (FG) a efectuat exerciții într-o sală de fitness cu ajutorul aparatelor. Ambele grupe s-au antrenat cu o frecvență de trei ședințe pe săptămână, pe durata a șase săptămâni. Rezultate. Conform SST, AG a demonstrat îmbunătățiri bilaterale ale controlului neuromuscular, iar FG a evoluat doar unilateral. S-au observat ameliorări din perspectiva membrului dominant. Lungimea membrelor inferioare a influențat negativ scorul inițial al SST, vizibil în special la FG. Controlul neuromuscular al subiecților cu membre inferioare mai lungi din AG s-a dezvoltat în cea mai mare măsură. Concluzii. Controlul neuromuscular post-experimental a fost îmbunătățit în cazul ambelor loturi. Diferența dintre efectele celor două tipuri de antrenament este nesemnificativă. Lungimea membrelor inferioare influențează negativ controlul neuromuscular, însă acesta se poate îmbunătăți prin efectuarea regulată a unor exerciții fizice analitice adresate trenului inferior al corpului. S-a atins obiectivul creșterii nivelului de fitness și obținerea aspirației de a efectua exercițiu fizic în mod regulat.

Cuvinte cheie: izotonic, izokinetic, control neuromuscular, membre inferioare

References

Avelar, N.C.P. et.al (2010). Effectiveness of aquatic and non-aquatic lower limb muscles endurance training in the static and dynamic balance of elderly people. Journal of Revista Brasileira de Fisioterapia, 14(3), 229-236;

Denyer, J. (2013). The Effects of Foot Structure and Athletic Taping on Lower Limb Biomechanics (Doctoral dissertation). Retrieved from University of Hertfordshire. (http://uhra.herts.ac.uk/handle/2299/10400);

Golik-Peric, D. et.al (2011). Short-Term Isokinetic Training Versus Isotonic Training: Effects on Asymmetry in Strength of Thigh Muscles. Journal of Human Kinetics, 30, 29-35;

Gribble, P.A. & Hertel, J. (2003). Considerations for Normalizing Measures of the Excursion Balance Test [Abstract]. Measurement in Phyisical Education and Exercise Science, 7(2), 89-100. Retrieved from http://www.udel.edu/bioms/seminararchives/05_06/Gribble.pdf;

Jalili, M. (2011). Changes in balance and neuromuscular performance following Whole body vibration and aquatic balance training in elderly subjects. Journal of Annals of Biological Research, 2(6), 489-495;

Katsura, Y. et.al (2010). Effects of aquatic exercise training using water-resistence equipment in elderly. Journal of European Journal of Applied Physiology, 108, 957-964;

Kieffer, H.S. et.al (2012). The Effects of a Short-Term Novel Aquatic Exercise Program on Functional Strength and Performance of Older Adults. International Journal of Exercise Science, 5(4), 321-333;

Kim, K., Cha, Y.J. & Fell, D.W. (2011). The effect of contralateral training: Influence of unilateral isokinetic exercise on one-legged standing balance of the contralateral lower extremity in adults. Journal of Gait & Posture, 34, 103-106;

Pop, N.H. (2013). Înotul: competiție și utilitate. Cluj-Napoca: Risoprint.

Remaud, A., Cornu, C. & Guével, A. (2010). Neuromuscular adaptations to 8-weeks strength training: isotonic versus isokinetic mode. Journal of European Journal of Applied Physiology, 108, 59-69;

Roth, A.E. et.al (2006). Comparisons of Static and Dynamic Balance Following Training in Aquatic and Land Environments. Journal of Sport Rehabilitation, 15, 299-311;

Salvi, G., Quarenghi, A. & Quarenghi, P. (2006). Rehabilitation in water: A practical guide. In León-Carrión, J., R.H. von Wild, K. & Zitnay, G.A. (Ed.), Brain Injury Treatment: Theories and Practices (pp.250-252). New-York: Taylor & Francis;

Sarshin, A. et.al (2012). The effect of ten weeks strength training and aquatic balance training on dynamic balance in inactive elder males. Journal of Annals of Biological Research, 3(2), 850-857;

Sekir, U. et.al (2007). Effect of isokinetic training on strength, functionality and proprioception in athletes with functional ankle instability. Journal of Knee Surgery, Sports Traumatology, Arthroscopy, 15, 654-664;

Wojtys, E.M. et.al, (1996). Neuromuscular Adaptations in Isokinetic, Isotonic and Agility Training Programs. American Journal of Sports Medicine, 24(2), 187-192;

Yildiz, Y. et.al (2003). Relation between isokinetic muscle strength and functional capacity in recreational athletes with condromalacia patellae. Journal of British Journal of Sports and Medicine, 37, 475-479.

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Published

2015-06-30

How to Cite

MARIAN, J.-K., & POP, N. H. (2015). ISOTONIC VS. ISOKINETIC AQUATIC TRAINING: IMPROVEMENT OF THE NEUROMUSCULAR CONTROL OF THE LOWER LIMBS IN HEALTHY AND UNTRAINED FEMALES. Studia Universitatis Babeș-Bolyai Educatio Artis Gymnasticae, 60(2), 57–66. Retrieved from http://193.231.18.162/index.php/subbeducatio/article/view/4739

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