They found that running shoes create more stress that could damage knees, hips and ankle joints than running barefoot.

VOA: special.2010.02.03

They don't have joints and limbs or organs or flesh.

他们没有关节四肢，器官血肉。

耶鲁公开课 - 弥尔顿课程节选

and the ground is really soft, so that you don't end up hurting your joints.

土地也很柔软，这样你的关节就不会受伤了。

What do you 实战 - SpeakingMax英语口语达人

People infected with the virus walk in a bent-over position because of the severe pain in the joints.

VOA: special.2009.04.13

So biomedical engineers have been working for many years on how to design replacement parts for joints like the hip: the artificial hip is the most well developed of those.

因此,生物医学工程师花了很多年时间,致力于设计像髋关节这样的关节替代品,尤以人工髋关节的研究最为成熟

耶鲁公开课 - 生物医学工程探索课程节选

Joints need cartilage for smooth movement and to absorb shock when you put pressure on a joint.

VOA: special.2010.05.19

A physical therapist can design an individualized exercise program to reduce arthritis pain and support healthy joints.

VOA: special.2010.05.19

Common signs of sleeping sickness include fever,headaches, extreme tiredness and pain in the muscles and joints.

VOA: special.2010.01.04

The symptoms are increased body temperature, pain in muscles and joints and stomach sickness.

VOA: special.2009.04.13

Some autoimmune forms of arthritis, if not treated, may cause joints to become deformed.

VOA: special.2010.05.19

And they may experience pain in joints such as the elbow or knee.

VOA: special.2009.05.26

Arthritis produces pain, swelling and limited movement in one or more joints.

VOA: special.2010.05.19

Instead,the protein builds up in the joints and attack cartilage and bone.

VOA: special.2010.03.16

Untreated or incompletely-treated sufferers often have pain in their muscles and joints.

VOA: special.2011.07.26

Instead,the protein builds up in the joints and attacks cartilage and bone.

VOA: special.2010.05.19

Rheumatoid arthritis is a painful disease that can destroy joints.

VOA: special.2010.05.19

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28

"The average lifespan of the metal joints is about 10 to 15 years."

VOA: standard.2010.08.11

"So when we observe these animals with the replacement joints, what we found was there was regeneration of the entire joint that allowed the animals to resume weight-bearing and locomotion."

VOA: standard.2010.08.11

These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it might be possible to regenerate damaged joints using a patient's own stem cells.

VOA: standard.2010.08.11

"So as you can imagine, if you are say 50,55 or younger, the surgeons will be very hesitant to place these metal joints in your body because knowing that in 10 to 15 years, there's a chance these would fail."

VOA: standard.2010.08.11