也要保持半分钟，这样反复交替练习20分钟。
Also want to maintain half minutes, practice 20 minutes alternately repeatedly so.
然后试着做些单臂与另一个手臂的交替练习，建设成为全程游泳的练习。
Then try a few single-arm strokes with each arm, building into full stroke swimming.
交替练习，需要使用投掷臂的练习与那些压力较小的练习交替，提供了一些保护，防止过度磨损和撕裂。
Alternating drills that emphasize heavy usage of the throwing arm with those that are less stressful provides some protection against excessive wear and tear.
我认为这是控制压力最简单的方法之一。点击链接学习如何练习交替鼻孔呼吸。
I find this one of the easiest way to control stress. Click on the link to learn how to practice alternate nostril breathing.
节奏︰大声念着节奏，敲着节拍，或跟随节拍拍手及故意练习交替的节奏(对于不平衡的节奏)。
Rhythm: say the rhythm aloud, tap to the beat, or walk to the beat while clapping the rhythm and deliberately practicing alternate rhythms (for unevenness).
每天早晚进行五分钟的交替鼻孔呼吸练习能够让你从肺底排出大量废气和杂质。
A daily five minute practice morning and night of alternate nostril breathing is great way to remove stale air and impurities from the bottom of your lungs.
专业的调息的方法练习（交替鼻孔呼吸法）需要在有经验医师的指导下进行。
More advanced methods of pranayama (alternate nostril breathing) need to be practiced with an experienced practitioner.
在开始冥想练习之前，可以先进行几分钟交替鼻孔呼吸法。
Alternate nostril breathing is a simple little trick that can be practiced for a few minutes before you begin your meditation practice.
专业的调息的方法练习（交替鼻孔呼吸法）需要在有经验医师的指导下进行。空腹练习为宜。
More advanced methods of pranayama (alternate nostril breathing) need to be practiced with an experienced practitioner. practicing on an empty stomach is preferred.
郎佩特的研究小组让病人进行一项练习，即讲述最近发生的一件令他们生气的事情，同时通过一种名叫“T波交替”的试验来测量病人心电的不稳定度。
Patients in the study took part in an exercise in which they recounted a recent angry episode while Lampert's team did a test called T-Wave Alternans that measures electrical instability in the heart.
在练习中交替使用三个位置。
另一种有用的练习是将手臂伸到脖子后面，用另一只手顶住肘部进行伸展。交替两手并重复。
Another useful exercise is to put one arm behind your neck and stretch it by holding on to the elbow with the opposite arm.
因此，个练习者可以舒服地进行交替呼吸法不用手指，使他(她)能够在训练身心的过程中集中精力。
Accordingly, a mind and body trainee can perform an alternate breathing comfortably without the use of his or her fingers, thus concentrate on the training of mind and body.
因此，个练习者可以舒服地进行交替呼吸法不用手指，使他(她)能够在训练身心的过程中集中精力。
Accordingly, a mind and body trainee can perform an alternate breathing comfortably without the use of his or her fingers, thus concentrate on the training of mind and body.
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