A work-out in the gym will exercise all the major muscle groups.

健身房的锻炼将锻炼所有主要的肌肉群。

Do not exercise the same muscle groups two days in a row.

不要连续两天锻炼同一个肌肉群。

And this core musculature is made up of many different muscles and muscle groups.

与这一核心肌肉是弥补了许多不同的肌肉和肌肉群。

The movement of large muscle groups will help to stimulate bone growth and strengthening.

而大肌肉群的运动有助于刺激骨骼的生长和强化。

Changing your routine will help build different muscle groups and will be beneficial to your overall fitness.

改变你的训练计划可以帮助你训练不同的肌肉群，这样有助于提高你全身的水平。

Just as people don’t use all of their muscle groups at one time, they also don’t use all of their brain at once.

正如人们不会在同一时间使用他们所有的肌肉群一样，他们也不会在同一时间使用他们所有的大脑。

It has been discovered that during sleep the brain releases a hormone into the blood stream that will paralyze the major muscle groups to prevent locomotion.

睡眠时，大脑会释放一种激素到血液中，这种激素麻痹主要的肌肉群，使其无法移动。

Functions:Acting on abdomen muscle groups .

功能：增强人体腹部及背部力量。

Functions: To build up the strength of abdomen muscle groups and improves the flexibility of waist .

功能：增强腹外斜肌力量及腰部柔韧性，通活关节和下肢经络。

The time and energy people waste pumping away at their arms should be spent on developing the major muscle groups.

许多人浪费时间与力气在练他们的手臂，而他们应该要多花点时间在练他们的主要肌群上。