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乳酸和肌肉疼痛的神话
If you’ve ever finished an intense workout with burning muscles, you may have heard someone say, “那是乳酸积聚!” For decades, this myth has been widely believed — but modern research has debunked it. 乳酸不是运动后酸痛的原因。
Instead, the soreness you feel a day or two after a tough workout is due to a process called 迟发性肌肉酸痛(延迟性肌肉酸痛), which is linked to 肌肉纤维的微小损伤, not lactic acid.
到底是什么导致肌肉酸痛?
When you engage in intense or unfamiliar exercise — especially 古怪的动作 (like lowering a weight or running downhill) — tiny microtears occur in your muscle fibers. 这会触发身体的自然修复过程,导致该区域的炎症和敏感。
This phenomenon, known as 延迟性肌肉酸痛, usually appears 运动后12-48小时 and can last for 2–3 days. 这种肌肉损伤远非有害,而是身体重建更强壮、更有弹性纤维的一部分。
乳酸到底有什么作用?
Lactic acid (more accurately, 乳酸) is simply a byproduct created when your muscles burn glucose for energy in low-oxygen conditions, such as during high-intensity exercise. It 不会在你的肌肉里“停留”好几天吗 — your body clears it within 30 - 60分钟 after you stop exercising.
In fact, 乳酸 may actually 帮助你的肌肉表现得更好 during short bursts of activity, serving as a temporary energy source.
如何减轻肌肉酸痛
虽然你不能完全避免迟发性肌肉酸痛,但有一些方法可以减少不适并支持更快的恢复:
- 热身和降温: 轻度动态拉伸和热身运动为你的肌肉准备工作。
- 积极恢复: 温和的运动(散步、骑自行车、瑜伽)可以促进血液流动,有助于康复。
- 补水和营养: 多喝水,吃富含蛋白质的食物有助于修复肌肉纤维。
- 逐步发展: 慢慢增加锻炼强度或持续时间,让你的肌肉有时间适应。
- 按摩或揉泡沫: 这两种方法都能缓解肌肉紧张,促进血液循环。
你相信冷浴有助于肌肉恢复吗? Learn more in our blog 在这里.
当肌肉酸痛是一个问题
迟发性肌肉酸痛是正常的,但剧烈、突然或剧烈的疼痛则不是。 如果疼痛持续超过几天,或者如果你注意到肿胀、虚弱或活动范围缩小,可能是时候咨询运动医学专家或物理治疗师了。
BASS Medical Group’s 运动医学小组 can help diagnose and treat overuse injuries or lingering pain, ensuring you recover safely and avoid setbacks.
关键
乳酸不会引起肌肉酸痛——微撕裂和修复过程会。 了解这种差异可以帮助你更聪明地恢复,更有效地训练,并防止不必要的担心“酸积累”。
常见问题(FAQs)
乳酸会引起肌肉酸痛吗?
不。 乳酸会在运动后一小时内从肌肉中清除。 运动后酸痛(延迟性肌肉酸痛)是由微观肌肉纤维损伤和炎症引起的。
如何防止运动后肌肉酸痛?
专注于适当的热身,渐进式训练,补水和恢复aoa体育APP,如拉伸和轻度活动,以支持肌肉愈合。
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