Skip to main content
  1. Home
  2. Health & Fitness
  3. News

mThrow smart sleeve helps prevent arm injuries before they happen

Add as a preferred source on Google

Yu Darvish of the Rangers, Joe Nathan of the Tigers, and Hector Olivera of the Dodgers are all down with UCL (ulnar collateral ligament) injuries, and they’re just the tip of the iceberg. UCL injuries and the resulting Tommy John surgeries — so named for the first player to undergo one –are becoming all too common these days, in baseball especially. Even we common folk suffer from the occasional tennis elbow or bursitis. It was only a matter of time until someone came up with a preventative measure for problems like this, which can be expensive in the baseball industry — think $62.5 million – as opposed to relying on rehab or surgery after the damage is already done. Imagine if that compression sleeve did more than squeeze your arm.

Motus ran thousands of elite athletes through its biomechanics lab and scanned them using a 16-camera motion-capture system, Bertec force plates, and EMG tech, adding their forms to the physics engine, the heart of their proprietary reporting system. Motus Global’s mThrow program works in conjunction with the sleeve sensor module that measures your movement. Athletes could use the lab for this comprehensive analysis, but with the introduction of the sleeve and sensor, their analytics tools are available without 16 cameras. Sitting just above the elbow, the sensor picks up 3D motion with three gyroscopes and three accelerometers and transmits up to 450 throws via Bluetooth from up to 90 feet away.

Recommended Videos

Yes, it reports performance like quite a few other smartwear garments out there, but the difference here is its creators, motion-capture industry veterans Joe Nolan and Keith Robinson, designed mThrow to catch range-of-motion deficits that can determine injury risk along with quantifying performance and potential. Coaches or trainers can see 3D models of the arm’s motion and figure out stats such as torque and arm angle via the iOS app. Signs the pitcher is flagging — slower motion, a drop in arm height, etc. — show up in the app, and coaches can make the call to change up the training regimen or pull the player.

mthrow pitcher
Image used with permission by copyright holder

Basically, mThrow says, “Hey, you’re doing it wrong; keep on like that and you’ll hurt yourself.” It’s obviously a great tool for anyone in sports medicine and a must-have for major league teams trying to figure out if their pitchers are going to be ready for the 2016 season. 27 Major League teams are already using mThrow. It’s shown some things about what actually stresses the ligament that may change the way pitcher’s warmups are handled: Long toss throws put more stress on the UCL than actual game pitches. Who knew?

On top of delivering unparalleled metrics, the product itself is convenient to use. The sensor charges wirelessly on the provided charging pad. The mThrow package with a sleeve and sensor is available for $150, down from $170.

Aliya Barnwell
Former Contributor
Aliya Tyus-Barnwell is a writer, cyclist and gamer with an interest in technology. Also a fantasy fan, she's had fiction…
Starfish-inspired patch solves key issues for wearable heart sensors
Heart rate sensor inspired by Starfish.

The domain of wearable devices has grown by leaps and bounds, not just in terms of mass adoption, but also owing to some astounding innovations. Wearable heart rate sensors can now measure everything from heart rate and blood oxygen levels to ECG in form factors ranging from a watch to finger rings.

These sensors, however, come with an inherent set of problems. Motion artifacts arising from movement or vigorous activity alter the blood flow and affect their accuracy. Optical heart rate sensors (photoplethysmography or PPG tech) also struggle with darker skin tones, tattoos, or even body placement. 

Read more
The Chairman™ Pro package is on sale — and it’s the only shaving kit you’ll ever need
manscaped products

There’s grooming, and then there’s grooming with intention. If your current routine feels more like a chore than a ritual, it might be time to rethink your tools. The Chairman™ Pro Package from MANSCAPED® is a full-face grooming system that doesn’t just clean you up—it sharpens your whole look. Right now, it’s available for $169.99 (11% off the usual $189.97), and you can drop that price even further to $159.99 when you subscribe to the Chairman Pro Package + Peak Hygiene plan. Throw in free shipping, and it’s a solid deal on a seriously well-thought-out kit.
One kit. Total control.
At the heart of the package is The Chairman™ Pro Electric Foil Shaver, MANSCAPED® top-tier tool designed for guys who want versatility and comfort in equal measure. This isn’t your dad’s shaver—it comes with two interchangeable SkinSafe® blade heads: a four-blade foil for smooth, clean-shaven skin, and a stubble trimmer that nails that 5 o’clock shadow look without wrecking your neckline.

Want a little definition without going full lumberjack? The included two length-setting stubble combs help dial in the perfect length. With FlexAdjust™ Technology that adapts to every jawline and a precision trimmer edge for hard-to-reach spots, this thing is engineered for the real world—where your face doesn’t grow hair at perfect right angles.

Read more
You Asked: What’s the most impressive thing you saw at CES?
You Asked CES Editors Cut

On today’s special edition of You Asked, we tracked down each of our editors and put them on the spot to find out what they thought was the most impressive thing they saw at CES 2025 in Early January. Let’s find out what they had to say.
Panasonic Z95B

There’s been some really cool TV tech at CES, but the thing I’m most excited about is the new Panasonic Z95B. Instead of the regular OLED display structure we’ve seen in recent years with MLA technology, this uses a four-layer panel structure. It features individual red, green, and blue layers (two of the latter) for the emissive light.

Read more