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Purpose: The aim of the study was to evaluate electromechanical delay (EMD), peak torque (PT) and rate of force development (RFD) in selected muscles of right and left lower extremities in groups of female and male subjects. Methods: The study evaluated 9 volunteer female subjects (mean ± SD: age: 21.67 ± 0.87 years; height: 168 ± 7 cm; body mass: 59.44 ± 4.8 kg) and 10 male university students (mean ± SD: age 22 ± 1.25 years; height: 179 ± 6 cm; body mass: 74.3 ± 5.1 kg) from the Faculty of Physical Education. Muscle torques and electromyographic activity were measured for knee flexors and extensors in static conditions, separately for the right and the left lower extremities. During the measurements, the subjects generated the maximum torque as fast as possible. Surface electrodes were placed on the right and left lower extremities on the following muscles: rectus femoris, vastus lateralis (m.VL), vastus medialis and biceps femoris. Results: Symmetry of EMD, RFD and “flexors-extensors” ratio was found in the muscles of the right and left lower extremities (with an exception of m.VL) in the group of male and female subjects. Statistical analysis demonstrated the presence of asymmetry in PT (297.66 vs. 272.05 N⋅m) and relative force in knee extensors in the group of men (3.90 vs. 3.54 N⋅m⋅kg–1). Conclusions: Symmetry of EMD and asymmetry of PT might suggest that the cause of asymmetry of the muscular force is mainly morphological characteristics of the muscle rather than the process of controlling its activity.
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Tom
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61--68
Opis fizyczny
Bibliogr. 26 poz., rys., tab., wykr.
Twórcy
autor
- Department of Biomechanics, University School of Physical Education in Wrocław, Wrocław, Poland
autor
- Department of Biomechanics, University School of Physical Education in Wrocław, Wrocław, Poland
autor
- Department of Biomechanics, University School of Physical Education in Wrocław, Wrocław, Poland
Bibliografia
- [1] ARENDT E.A., AGEL J., DICK R.W., Anterior cruciate ligament injury patterns among collegiate men and women, J. Athl. Train., 1999, 34(2), 86–92.
- [2] BELL D.G., JACOBS I., Electromechanical response-times and rate of force development in males and females, Med. Sci. Sports Exerc., 1986, 18(1), 31–36.
- [3] BLACKBURN J.T., BELL D.R., NORCROSS M.F., HUDSON J.D., ENGSTROM L.A., Comparison of hamstring neuromechanical properties between healthy males and females and the influence of musculotendinous stiffness, J. Electromyogr. Kinesiol., 2009, 19(5), e362–e369, DOI: 10.1016/j.jelekin.2008.08.005.
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- [6] DRAPALA J., BRZOSTOWSKI K., SZPALA A., RUTKOWSKA--KUCHARSKA A., Two stage EMG onset detection method, Arch. Control Sci., 2012, 22(4), 371–384.
- [7] GROSSET J.F., PISCIONE J., LAMBERTZ D., PEROT C., Paired changes in electromechanical delay and musculo-tendinous stiffness after endurance or plyometric training, Eur. J. Appl. Physiol., 2009, 105(1), DOI: 10.1007/s00421-008-0882-8.
- [8] HERMENS H.J., FRERIKS B., MERLETTI R., STEGEMAN D., BLOK J., RAU G., DISSELHORST-KLUG C., HÄGG G., European Recommendations for Surface Electromyography. Results of SENIAM project, 2nd ed. Enschede, Netherlands: Roessingh Research and Development, 1999.
- [9] KUBO K., AKIMA H., KOUZAKI M., ITO M., KAWAKAMI Y., KENEHISA H., FUKUNAGA T., Changes in the elastic properties of tendom structures following 20 days bed-rest in humans, Eur. J. Appl. Physiol., 2000, 83(6), 463–468.
- [10] KUBO K., KANEHISA H., FUKUNAGA T., Gender difference in the viscoelastic properties of tendon structures, Eur. J. Appl. Physiol., 2003, 88(6), 520–526.
- [11] MILEWSKA J., RUTKOWSKA-KUCHARSKA A., JAROSZCZUK S., Step aerobics and rhythm of movement of the upper and lower limbs, Hum. Mov., 2013, 14(1), 70–75, DOI: 10.2478/humo-2013-0006.
- [12] MOORE B.D., DROUIN J., GANSNEDER B.M., SHULTZ S.J., The differential effects of fatigue on reflex response timing and amplitude in males and females, J. Electromyogr. Kinesiol., 2002, 12(5), 351–360.
- [13] PETRYŃSKI W., Bernstein’s construction of movement model and contemporary motor control and motor learning theories, Hum. Mov., 2007, 8(2), 136–146.
- [14] RUTKOWSKA-KUCHARSKA A., SZPALA A., PIECIUK E., Symmetry of muscle of activity during abdominal exercises, Acta Bioeng. Biomech., 2009, 11(1), 25–30.
- [15] RUTKOWSKA-KUCHARSKA A., SZPALA A., Electromyographic muscle activity in curl-up exercises with different positions of upper and lower extremities, J. Strength Condition Res., 2010, 24(11), DOI: 10.1519/JSC.0b013e3181ddb308.
- [16] SZPALA A., RUTKOWSKA-KUCHARSKA A., DRAPALA J., BRZOSTOWSKI K., ZAWADZKI J., Asymmetry of electromechanical delay (EMD) and torque in the muscles stabilizing spinal column, Acta Bioeng. Biomech., 2010, 12(4), 11–18.
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- [18] TRZASKOMA Z., TRZASKOMA Ł., The proportion between maximal torque of core muscles in male and female athletes, Acta Bioeng. Biomech., 2001, 3, suppl. 2, 601–606.
- [19] VAGENAS G., HOSHIZAKI B., Functional asymmetries and lateral dominance in the lower limbs of distance runners, Int. J. Sport Biomech., 1991, 7, 311–329.
- [20] Van DIEEN J.H., THISSEN C.E.A.M., Van de VEN A.J.G.M., TOUSSAINT H.M., The electro-mechanical delay of the erector spinae muscle: influence of rate of force development, fatigue and electrode location, Eur. J. Appl. Physiol. Occup. Physiol., 1991, 63(3–4), 216–222.
- [21] VIITASALO J.T., KOMI P.V., Interrelationships between electromyographic, mechanical, muscle structure and reflex time measurements in man, Acta Physiol. Scand., 1981, 111(1), DOI: 10.1111/j.1748-1716.1981.tb06710.x.
- [22] VINT P.F., MCLEAN S.P., HARRON G.M., Electromechanical delay in isometric actions initiated from nonresting levels, Med. Sci. Sports Exerc., 2001, 33(6), 978–983.
- [23] WINIARSKI S., DUBIEL-WUCHOWICZ K., RUTKOWSKA--KUCHARSKA A., Symmetry of suport scull and vertical position stability in synchronized swimming, Acta Bioeng. Biomech., 2013, 15(1), 113–122, DOI: 10.5277/abb130114
- [24] WINIARSKI S., RUTKOWSKA-KUCHARSKA A., Estimated ground reaction force in normal and pathological gait, Acta Bioeng. Biomech., 2009, 11(1), 53–60.
- [25] WINTER E.M., BROOKES F.B.C., Electromechanical response times and muscle elasticity in men and women, Eur. J. Appl. Physiol. Occup. Physiol., 1991, 63(2), 124–128.
- [26] YAVUZ S.U., SENDEMIR-URKMEZ A., TURKER K.S., Effect of gender, age, fatigue and contraction level on electromechanical delay, Clin. Neurophysiol., 2010, 121(10), DOI: 10.1016/j.clinph.2009.10.039.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d98804c0-f961-4954-a238-614df0744e75