motusBASEBALL

    Wearable Technology for Throwing Analysis

    motusTHROW is a training platform for baseball players of all ages. The lab-accurate Motus sensor is worn in a compression sleeve on the throwing arm, and sits just below the Ulnar-Collateral-Ligament (UCL). Each throw captures peak valgus torque on the arm, which is accumulated into state-of-the-art workload measures designed to help you train at your peak. 

    Capture Every Throw

    We go where you go. motusTHROW records biomechanical data from every throw made in practice and games. Peak valgus torque from each throw is calculated and is fed into state-of-the-art workload algorithms.

    motusTHROW accumulates daily workload, acute workload (7-day average), chronic workload (28-day average), and acute:chronic ratio, which are all designed to increase your arms fitness in a safe manner.

    With over 10 million throws captured, motusTHROW has determined optimal throwing levels that go beyond age-old pitch counts and inning totals.

    Measure Fatigue and Fitness

    Torque from every throw made is accumulated into daily workload measure. This daily workload measure is used to then compute a rolling acute average of workload (7-day average), and a rolling chronic average of workload (28-day average).

    A pitcher is primed for success when chronic workloads are built up high enough to sustain in-game competition. A pitcher experiences fatigue when work is added too fast. The acute:chronic ratio indicates the level of fatigue on the throwing arm.
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    The Industry's Smallest Inertial Sensor

    6-axis
    high-dynamic range IMU
    • 4000 DPS
    • 24 G's
    • 1000 Hz

    Chronic workload must be built up safely

    Chronic workload is a monthly average of daily workload. A typical MLB chronic workload cycles between low (in the off-season) and high (in-season). During spring training, pitchers work to build chronic workload and fitness. This fitness helps protect a pitcher’s arm and helps a pitcher become resilient to fatigue.

    To build chronic workload, workouts progress in volume and intensity (acute spikes). However, increasing the work too fast can be dangerous. How fast can chronic workload be progressed?

    An a:c ratio above 1.3 increases injury risk 

    Research from Dr. Sameer Mehta with over 170,000 throws found that throwing with an acute:chronic ratio greater than 1.3 increases risk by a factor of 25x. The name of the game in building chronic workload is to keep the ratio over 1.0, but less than 1.3.

    The acute:chronic ratio can be used at any point during the training process. When chronic workload are low, keeping below a 1.3 ratio ensures you do not push past your current fitness level. As chronic workload builds, the work required to push past a 1.3 ratio becomes much greater.

    Advanced analytics FREE for 1 month

    Each purchase of motusTHROW includes 1 free month trial to our advanced analytics platform- motusDASH. motusDASH provides predictive analytics, in-depth data science, and workout-design tools used by performance staff members at the highest level.

    Monitor Workload / UCL Stress

    Protect your arm from injury – torque on the ulnar collateral ligament is measured with every throw
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    Readiness is Key

    Ramp up your arm to get ready for opening day and keep it in the safe zone all season long for maximum effectiveness
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    Personalized Training

    Powerful machine learning personalizes your training towards safely sustaining higher workloads
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    motusDASH Ready

    Take a deeper dive into player data with our online analytics dashboard (subscription required) – monitor a player, team, or an entire organization
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    All Your Fav Features

    All the tools you have come to love are available…Live Throws, Bullpen, Long Toss and Video Modes
    Questions & Answers
    • What is 'readiness' and why is it so important?

      Workload calculations are based on many factors, but mostly on the highly researched concept of Acute-to-Chronic Ratio. Let motusTHROW guide you through the process of increasing your workload at a safe rate to improve performance and avoid injury. Whether you’re building for opening day or designing your pitch, you need to protect your arm with motusTHROW!

    • What key measures does motusTHROW provide?

      motusTHROW provides the following key measures:


      • Acute and Chronic Workloads
      • Arm Stress (elbow valgus torque)
      • Throw Count
      • Arm Speed
      • Arm Slot at Release
      • Max Shoulder Rotation
    • Is the motus sensor approved for in-game use?

      motusTHROW was the first wearable technology approved for in-game use by Major League Baseball and is currently a key part of pitching programs across MLB, NCAA, and elite travel organizations. Rules differ between leagues and at different levels, but usually require throwing and non-throwing arm sleeves to be visually similar.

    • Which mobile device(s) can I use?

      Motus apps run on the following Apple moble devices running iOS 9.3 and newer:


      • iPhone 5+
      • iPad 3+
      • iPad mini
      • iPad Air
      • iTouch 5+

      Android devices NOT supported at this time

    • What about batting?

      The best pitching sensor also gives you hitting data. Download the motusBATTING app, clip on your sensor, and discover your bat speed, attack angle and more!

    Buy motusTHROW and Download the App Today!

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