Okay, now to the hips and the hip flexors eventually, and the quads.

现在来看看臀部和臀屈肌，还有股四头肌。

For six weeks, participants performed a daily plantar flexor stretch, or calf stretch, of their dominant leg.

在六周的时间里，参与者每天进行一次主腿的足底屈肌拉伸或小腿拉伸。

The tibia nerve innervates the muscles of the posterior compartment of the leg, and intrinsic flexors of the foot.

胫神经支配小腿后部的肌肉，以及足部的固有屈肌。

Nice stretch in the quad and the hip flexors as you lift your heart, stand up nice and tall.

当你挺胸时，四肢和臀部屈肌都得到了很好的拉伸，保持好站立的姿势。

You can lift it, but I like to lower, open up through the front of the hip, hip flexor.

你可以抬起膝盖，但我更喜欢放下去，髋部前侧打开，打开髋部屈肌。

It causes loose wrinkly skin in the flexor areas.

它会导致屈肌区域出现松弛皱纹皮肤。

It's caused by two things — tight hip flexors and weak glutes.

它是由两件事引起的——髋屈肌紧绷和臀肌无力。

And when you get up, you realize that you need to stretch your hip flexor really really bad.

然后当你站起来，你发现你非常非常需要伸展你的臀部屈肌。

Get into a lunge and stretch your hip flexors.

弓步并伸展髋屈肌。

How does blood move through your systemic circulatory loop, to get from your heart to your champion right thumb-flexing muscle, the flexor pollicis brevis, and back again?

血液是如何通过你的全身循环循环，从你的心脏到达你的右手拇指屈肌，也就是小指短屈肌，然后再返回的？