They do in my own personal definition :)

Lily168 · 2014-10-01 10:54:24Z

They do in my own personal definition :)简介

来源: Lily168 于 2014-10-01 10:54:24 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (492 bytes)

本帖于 2014-10-01 11:07:45 时间, 由普通用户 Lily168 编辑

回答: 肌肉有三种，慢速，快速，超快速。慢速肌肉为“红色”肌肉，毛细血管丰富，mitochondia多。由 Lily168 于 2014-10-01 09:48:26

However, High Intensity Interval type of training aims to arrive at peak heart rate so it is an anaerobic exercise. The main indicators are "oxygen debt" (breathlessness), body temperature rise, profuse sweating, lactic acid buildup in the muscle (the "burn"), and peak heart rate maintained for 30 seconds followed by 90 seconds recovery period.
So it means SHORT intervals with high intense bursts of exercise, followed by recovery periods.

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• Thank you! Sounds like I need to get a grip ;-) -7grizzly- ♀ (0 bytes) () 10/01/2014 postreply 11:44:32

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