This is your ulna right here and this is your radius and what happens in people that require Tommy John surgery is they end up having a rupture of this tendon called the ulnar collateral ligament.

这是你的，这是你的桡，需要汤米·约翰手术的人是因为了肌腱断裂，称为侧副韧带。

The pivot joint between your radius and ulna allow you to rotate your palm forward or anteriorly in a motion called supination, and turning it backward or posteriorly is called pronation.

桡之间的枢轴关节允许你在一个叫做旋后的动作中向前或向前旋手掌，向后或向后旋叫做内旋。

Femoral neck fractures and distal radius fractures can also occur, and they're often associated with postmenopausal osteoporosis.

股颈折、桡远端折也时有，而且它们一般绝经后质疏松相关。

All these motions use gliding, or plane joints, like the one between the distal ends of your radius and ulna, and the carpal bones of your wrist.

所有这些运动都使用滑动或平面关节，比如桡远端之间的关节，还有手腕的腕。

The radius and ulna bones connect between the elbow joint and the wrist.

桡连接肘关节腕关节。

The radial bone, the head had sheared off and the remnants of the bone were sticking out of my forearm.

桡的头部已经断裂，头的残端从我的前臂伸出。

It can be felt in the arteries that are relatively close to the surface, particularly if the vessel can be pressed down against a bone.

因桡动脉越过前臂桡侧的头（桡），故最常在此触及脉搏。

The radius and ulna are the two bones which form the lower arm.

桡是构成前臂的两块头。

It supports two bones on the forearm, the radius and ulna, which in turn attach to the wrists.

它支撑着前臂上的两块头，即桡，它们又连接到手腕上。

But the underlying structures of the humerus, radius and ulna, and metacarpals, are shared.

但是肱、桡以及掌的基础结构是共享的。

You have one radius and one ulna in each arm.

你每只手臂有一根桡一根。

The shoulder girdle leads down to the humerus, radius and ulna and hands.

肩带向下延伸至肱、桡、手。