wrist

Tennis players are susceptible to wrist cartilage injuries, which may not even present any symptoms at first. A van-based MRI system was designed with that in mind, as it can spot such injuries right at the tennis court, before they become serious.

While we frequently hear about the replacement of arthritic hips and knees with implants, wrists are another matter, as they're very complex joints. And although artificial wrists do exist, a new one is claimed to provide a fuller range of motion.

It looks like a fitness tracker, acts like a smartwatch, yet has has no buttons or screen. It also plays audio when you touch your finger to your ear and is gesture and voice-controlled. It's called Get and its creators think it could change the way we connect with each other and our information.

Researchers have developed a prosthetic joint that connects directly to the forearm bones of an amputee, allowing them to use a prosthesis with a wrist-like rotary movement. Use of the new joint could dramatically improve the quality of life for amputees.