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KMID : 1101720220260020022
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Physical Activity and Nutrition
2022 Volume.26 No. 2 p.22 ~ p.27
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Four weeks of lower-limb static stretching reduces regional arterial stiffness in middle-aged and older women
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Higaki Yuya
Fujie Shumpei
Yamato Yosuke
Oshiden Moe
Iemitsu Motoyuki
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Abstract
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Purpose: This study aimed to clarify whether habitual lower-limb stretching intervention reduces regional arterial stiffness at the stretched site in middle-aged and older women.
Methods: In this study, the effects of 4 weeks of lower-limb static stretching (of the hip extensor and flexor, knee extensor and flexor, and plantar flexor muscles) were investigated on systemic, central, and peripheral arterial stiffness using pulse wave velocity in 14 healthy middle-aged and older women randomly assigned to either a sedentary control group (67.3 ± 5.6 years; n = 7) or a stretching intervention group (63.4 ± 6.4 years; n = 7).
Results: The femoral-ankle pulse wave velocity (an index of peripheral arterial stiffness) significantly decreased in the intervention group (pre, 1222.4 ± 167.5 cm/s; post, 1122.0 ± 141.1 cm/s) but did not change in the control group (pre, 1122.7 ± 107.7 cm/s; post, 1139.9 ± 77.5 cm/s). However, the brachial-ankle pulse wave velocity as an index of systemic arterial stiffness (control: pre, 1655.7 ± 296.8 cm/s, post, 1646.4 ± 232.1 cm/s; intervention: pre, 1637.6 ± 259.9 cm/s, post, 1560.8 ± 254.7 cm/s) and the carotid-femoral pulse wave velocity as an index of central arterial stiffness (control: pre, 1253.6 ± 346.4 cm/s, post, 1223.6 ± 263.4 cm/s; intervention: pre, 1125.4 ± 204.7 cm/s, post, 1024.9 ± 164.5 cm/s) did not change in either group.
Conclusion: These findings suggest that lower-limb stretching interventions may reduce regional arterial stiffness at the stretched site
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KEYWORD
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Stretching, Peripheral arterial stiffness, Systemic arterial stiffness, Central arterial stiffness, Pulse wave velocity, Middle-aged and older women
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