George Mason University, Fairfax, VA.
Central Michigan University, Mount Pleasant.
J Athl Train. 2017 Oct;52(10):918-924. doi: 10.4085/1062-6050-52.7.03. Epub 2017 Aug 10.
Exercise-associated muscle cramps are a common clinical problem for athletes.
To determine whether acute passive static stretching altered cramp threshold frequency (CTF) of electrically induced muscle cramps.
Crossover study.
Laboratory.
Seventeen healthy college-aged individuals.
INTERVENTION(S): Stretching or no stretching.
MAIN OUTCOME MEASURE(S): The independent variable was the static stretch versus the no-stretch condition, and the dependent variable was the CTF.
The CTF increased in both the control (pretest: 18.12 ± 6.46 Hz, posttest: 19.65 ± 7.25 Hz; P = .033) and stretching (pretest: 18.94 ± 5.96 Hz, posttest: 20.47 ± 7.12 Hz; P = .049) groups. No difference between the groups was found (t = 0.035, P = .97).
Acute passive static stretching did not seem to increase the CTF.
运动相关性肌肉痉挛是运动员常见的临床问题。
确定急性被动静态伸展是否改变电诱发肌肉痉挛的痉挛阈值频率(CTF)。
交叉研究。
实验室。
17 名健康的大学生。
拉伸或不拉伸。
独立变量为静态拉伸与无拉伸状态,因变量为 CTF。
在对照组(预测试:18.12 ± 6.46 Hz,后测试:19.65 ± 7.25 Hz;P =.033)和拉伸组(预测试:18.94 ± 5.96 Hz,后测试:20.47 ± 7.12 Hz;P =.049)中,CTF 均增加。两组之间无差异(t = 0.035,P =.97)。
急性被动静态拉伸似乎不会增加 CTF。