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Evaluation of the effectiveness of training on a machine with a variable-cam

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The aim of the study was to assess the effectiveness of the training of elbow flexors through the use of 2 machines, one of which was equipped with a disc plate of constant radius, the other one with a variable-cam having a radius adjustable to muscle strength. The experiment included 45 men divided into 3 equal groups: training group A (variable-cam), training group B (circle), and control group C. The training lasted for 8 weeks, 3 times a week. In order to control the effects, the values of peak torque and power of the flexor muscles of the elbow were isokinetically measured for the angular velocities of 30°/s and 60°/s. Also taken were anthropometric measurements of the arm and the creatine kinase (CK) activity in the blood plasma. As a result of the training, significant increases of biomechanical values were noted only in group A: power increased over 20%, the peak torque over 14%. After the training, significant increases of arm circumference in the relaxed position were noted in group A (17 mm), as well as in group B (11 mm). Also, some changes in CK activity were observed between Monday and Friday in a training week. On the basis of the experimental measurements, it may be ascertained that training elbow flexor muscles on a machine with a variable-cam is more efficient for increases in strength and power, as well as for some anthropometric parameters, than training on a machine with a disc plate.
Rocznik
Strony
93--102
Opis fizyczny
Bibliogr. 34 poz., rys., tab., wykr.
Twórcy
autor
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
autor
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
autor
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
autor
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
autor
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
autor
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
autor
  • Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education in Warsaw, Poland
Bibliografia
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  • [2] CZAMARA A., KRZEMIŃSKA A., SZUBA Ł., The influence of exercises under isokinetic conditions on heart rate in males aged between 40 and 51, Acta Bioeng. Biomech., 2011, Vol. 13(3), 95–104.
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  • [6] BOBER T., HAY J.G., Dobór pozycji kątowych do pomiaru maksymalnych momentów sił mięśni w stawach kończyn człowieka, Zeszyty Naukowe AWF Wrocław, 1991, Vol. 53, 5–15.
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  • [14] PHILIPPOU A., MARIDAKI M., BOGDANIS G.C., Angle-specific impairment of elbow flexors strength after isometric exercise at long muscle length, Journal of Sports Sciences, 2003, 21, 859–865.
  • [15] TESCH P.A., EKBERG A., LINDQUIST D.M., TRIESCHMANN J.T., Muscle hypertrophy following 5-week resistance training using a non-gravity-dependent exercise system, Acta Physiol. Scand. 2004, 180, 89–98.
  • [16] AHTIAINEN J.P., PAKARINEN A., ALLEN M., KRAEMER W.J., HAKKINEN K., Short vs. long rest period between the sets in hypertrophic resistance training: influence on muscle strength, size, and hormonal adaptations in trained men, Joumal of Strength and Conditioning Research, 2005, 19(3), 572–582.
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  • [19] GARCIA-LOPEZ D., DE PAZ J.A., MONEO E., JIMENEZ-JIMENEZ R., BRESCIANI G., IZQUIERDO M., Effects of short vs. long rest period between sets on elbow-flexor muscular endurance during resistance training to failure, J. Strength Cond. Res., 2007, Vol. 21(4), 1320–1324.
  • [20] KRAEMER W.J., A series of studies: The physiological basis for strength training in American football; Fact over philosophy, J. Strength. Cond. Res., 1997, Vol. 11, 131–142.
  • [21] MIRANDA H., FLECK S.J., SIMAO R., BARRETO A.C., DANTAS E.H.M., NOVAES J., Effect of two different rest period lengths on the number of repetitions performed during resistance training, J. Strength Cond. Res., 2007, Vol. 21(4), 1032–1036.
  • [22] RICHMOND S.R., GODARD M.P., The effect of varied rest periods between sets to failure using the bench press in recreationally trained man, J. Strength Cond. Res., 2004, Vol. 18(4), 846–849.
  • [23] SMITH F., Dynamic variable resistance and the universal system, Nat. Strength Cond., Assoc. J., August–September, 1982, 14–19.
  • [24] STONE M., O’BRYANT H., Weight Training: A ScientificApproach, (2nd ed.). Burgess International, 1987.
  • [25] JOHNSON J.H., COLODNY S., JACKSON D., Human torque capability versus machine resistive torque for four eagle resistance machines, J. Appl. Sport Sci. Res., 1990, Vol. 4, 83–87.
  • [26] BAKER D.G., NEWTON R.U., Adaptations in upper-body maximal strength and power output resulting from long-term resistance training in experienced strength-power athletes, J. Strength Cond. Res., 2006, Vol. 20(3), 541–546.
  • [27] TRZASKOMA Z., TRZASKOMA Ł., Kompleksowe zwiększanie siły mięśniowej sportowców, COS W-wa, 2001.
  • [28] BECK T., HOUSH T.J., JOHNSON G.O., WEIR J.P., CRAMER J.T., COBURN J.W., MALEK M., MIELKE M., Effect of two days of isokinetic training on strength and electromyographic amplitude in the agonist and antagonist muscles, J. Strength Cond. Res., 2007, Vol. 21(3), 757–762.
  • [29] KRUSZEWSKI M., Efektywność metod rozwijania siły mięśniowej i suplementacji żywieniowej w aspekcie zmian potencjału ruchowego i składu ciała ćwiczących, Studia i Monografie AWF Warszawa, 2008.
  • [30] YASUDA T., FUJITA S., OGASAWARA R., SATO Y., ABE T., Effects of low-intensity bench press training with restricted arm muscle blood flow on chest muscle hypertrophy: a pilot study, Clin. Physiol. Funct. Imaging., 2010, Vol. 30, 338–343.
  • [31] RONNESTAD B.R., EGELAND W., KVAMME N.H., REFSNES P.E., KADI F., RAASTAD T., Dissimilar effects of one-and three-set strength training on strength and muscle mass gains in upper and lower body in untrained subjects, J. Strength Cond. Res., 2007, Vol. 21(1), 157–163.
  • [32] TRAYLOR D.A., HOUSH T.J., CAMIC C.L., ZUNIGA J.M., BERGSTROM H.C., JOHNSON G.O., SCHMIDT R.J., LEWIS R.W., The effects of short-term isokinetic resistance training on isometric and concentric torque of the forearm flexors in females, J. Exerc. Physiol., 2012, Vol. 15(1), 110–115.
  • [33] NOSAKA K., CLARKSON P.M., Variability in serum creatine kinase response after eccentric exercise of elbow flexors, Int. J. Sport Med., 1996, Vol. 17, 120–127.
  • [34] NOSAKA K., SAKAMOTO K., Effect of elbow joint angle on the magnitude of muscle damage to the elbow flexors, Med. Sci. Sports Exerc., 2001, Vol. 33(1), 22–29.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-ce60167b-7851-405b-bf8c-b327d8dcd786
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