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Wyszukujesz frazę "passive stretching" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Muscle torque of healthy individuals and individuals with spastic hemiparesis after passive static streching
Autorzy:
Freitas, S. T. T.
Abreu, E. M. C.
Reis, M. C.
Cunha, B. S.
Prianti, T. S. M.
Lima, F. P.
Lima, M. O.
Tematy:
mięśnie
siła mięśni
rozciąganie
muscle hypertonia
muscle strength
passive stretching
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Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:
https://bibliotekanauki.pl/articles/306898.pdf  Link otwiera się w nowym oknie
Opis:
Spasticity is one of the main causes of contracture, muscle weakness and subsequent functional incapacity. The passive static stretching can be included as having the purpose of increasing musculoskeletal flexibility, however, it also can influence the muscle torque. The objective is to verify the immediate effect of passive static stretching in the muscle strength of healthy and those who present spastic hemiparesis. There were assessed 20 subjects, 10 spastic hemiparetic (EG) and 10 healthy individuals (CG), including both sexes, aged between 22 and 78 years. The torque of extensor muscles of the knee was analyzed using isokinetic dynamometer. Results have shown that EG has less muscle torque compared to CG ( p < 0.01). In addition, EG presented a decrease in significance of muscle torque after stretching ( p < 0.05), however, it has not shown significant alteration in muscle torque of CG after performing the program that was prescribed. Immediately after the passive stretch, a significant torque decrease can be seen in hypertonic muscle; it is believed that this reduction may be associated with the physiological overlap between actin and myosin filaments and so preventing the muscle to develop a maximum contraction.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acute effect of short-duration static stretching exercises on dynamic balance in U-14 female athletes
Autorzy:
Amara, Samiha
Bouguezzi, Raja
Chaabene, Helmi
Mkaouer, Bessem
Tematy:
passive stretching
postural control
kinematic analysis
youth females
short-term effect
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Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:
https://bibliotekanauki.pl/articles/58969806.pdf  Link otwiera się w nowym oknie
Opis:
The acute effects of static stretching (SS) on dynamic balance, a key fitness component that contributes to injury prevention, has been a subject of significant debate. This study aimed to investigate the acute effect of short-duration SS exercises on dynamic balance following different recovery durations in youth female volleyball players. Methods: Thirteen volunteers U-14 female players were included. Eight random assessments were carried-out on separate days. They consisted of 2D-kinematic analysis of frontal and/or sagittal balance of the center of mass (COM) displacement, velocity, and acceleration on wobble board conducted without SS, immediately after and following 2 and 10 minutes of SS. Results: Repeated-measures ANOVA showed a significant difference between conditions in the velocity ( p = 0.002 to 0.049; d = 0.844 to 2.200) and the acceleration ( p = 0.014 to 0.021; d = 1.532 to 1.657) of the COM in both frontal and sagittal planes sway. Post-hoc analysis revealed decreased COM velocity (p = 0.001 to 0.030; d = 2.501 to 6.750) and acceleration ( p = 0.001 to 0.030; d = 2.501 to 6.750) in the frontal plane, regardless of the recovery time. The most prominent decrease in both parameters was observed immediately after SS ( p = 0.001 to 0.013; d = 2.907 to 6.750). However, in the sagittal balance, we observed an immediate increase in COM acceleration following SS ( p < 0.001; d = 4.223). Conclusion: Short-duration SS leads to improved dynamic balance, particularly on the frontal plane, with the most favorable effect observed immediately after stretching. Practically speaking, short-duration SS appears to be an effective exercise modality for inducing acute enhancements in dynamic balance among youth female volleyball players.
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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