保持收紧你的核心肌肉。
This workout can help improve the strength of the core muscles.
这个运动可以增强你核心肌肉的力量。
The body's core muscles are the foundation for all other movement.
身体的核心肌肉是各种动作的基础。
Engage your core muscles, then curl your upper body towards a sitting position.
调动人体核心部位的肌肉力量向上抬体，成坐姿。
Maintain the natural curve in your lower back, and keep your core muscles tight.
保持腰背部的自然弯曲，保持收紧你的核心肌肉。
Sitting on the unstable surface will activate your core muscles all day long.
坐在不稳定的球表面能够整天刺激你的核心肌肉。
You'll improve your balance and tone your core muscles while sitting at your desk.
这有助于提高你的平衡能力并增强你的核心肌肉。
Often overlooked, hidden in the core of the pelvic floor muscles.
认识经常被忽略、隐藏在骨盆底的核心肌肉群。
Doing this exercise strengthens your arm, core, and leg muscles throughout the routine.
这个练习在整个程序中加强你的手臂，核心肌肉和腿部肌肉力量。
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。
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。
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