| HAMMEROVÁ, Tereza, Tereza KRÁLOVÁ, Jan CACEK, Tomáš KALINA, Zuzana HLAVOŇOVÁ a Jan ONDRÁČEK. Impact of a Strength Intervention Program on Change of Hamstrings: Quadriceps Ratio and on Change of 1 Repetition Maximum. Studia Sportiva. Masarykova univerzita, 2019, roč. 13, č. 2, s. 33-39. ISSN 1802-7679. Dostupné z: https://dx.doi.org/10.5817/StS2019-2-4. |
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@article{1612319,
author = {Hammerová, Tereza and Králová, Tereza and Cacek, Jan and Kalina, Tomáš and Hlavoňová, Zuzana and Ondráček, Jan},
article_number = {2},
doi = {http://dx.doi.org/10.5817/StS2019-2-4},
keywords = {Squat; Strength; Hamstrings; Quadriceps; 1RM; ACL; Isokinetic dynamometer},
language = {eng},
issn = {1802-7679},
journal = {Studia Sportiva},
title = {Impact of a Strength Intervention Program on Change of Hamstrings: Quadriceps Ratio and on Change of 1 Repetition Maximum},
url = {https://journals.muni.cz/studiasportiva/issue/view/1039},
volume = {13},
year = {2019}
}
TY - JOUR
ID - 1612319
AU - Hammerová, Tereza - Králová, Tereza - Cacek, Jan - Kalina, Tomáš - Hlavoňová, Zuzana - Ondráček, Jan
PY - 2019
TI - Impact of a Strength Intervention Program on Change of Hamstrings: Quadriceps Ratio and on Change of 1 Repetition Maximum
JF - Studia Sportiva
VL - 13
IS - 2
SP - 33-39
EP - 33-39
PB - Masarykova univerzita
SN - 18027679
KW - Squat
KW - Strength
KW - Hamstrings
KW - Quadriceps
KW - 1RM
KW - ACL
KW - Isokinetic dynamometer
UR - https://journals.muni.cz/studiasportiva/issue/view/1039
L2 - https://journals.muni.cz/studiasportiva/issue/view/1039
N2 - The relationship between the muscular strength of hamstrings and quadriceps and their possible muscular imbalance is considered by many authors as one of the causes of knee joint injury. The aim of this work is to assess the exercise program including squat modifications both in terms of progression of lower limb strength and in terms of possible change of H: Q ratio. Probands were divided into five groups (one control, four experimental). The experimental groups practiced the intervention program twice a week for eight weeks (EX1: Barbell squat, EX2: Barbell half squat, EX3: Barbell half squat with countermovement). In one training session participants repeated the exercise five times in six series. All experimental groups exhibited significant differences in mean values (p < 0.01), indicating the progression of lower limb strength measured by 1RM for barbell squat. The differences in the mean values of the H: Q ratio measured on an isokinetic dynamometer in the isokinetic test mode at angular velocities of 60 and 300 degrees per second do not show statistically significant differences (p = 0.99338). The established strength intervention program is suitable for the development of lower limb strength and does not show any changes in the H: Q ratio.
ER -
HAMMEROVÁ, Tereza, Tereza KRÁLOVÁ, Jan CACEK, Tomáš KALINA, Zuzana HLAVOŇOVÁ a Jan ONDRÁČEK. Impact of a Strength Intervention Program on Change of Hamstrings: Quadriceps Ratio and on Change of 1 Repetition Maximum. \textit{Studia Sportiva}. Masarykova univerzita, 2019, roč.~13, č.~2, s.~33-39. ISSN~1802-7679. Dostupné z: https://dx.doi.org/10.5817/StS2019-2-4.
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