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Mike Reinold, PT, DPT, SCS, ATC, CSCS

Discover how the Motus Sleeve, a wearable sensor, can measure and monitor workload in baseball pitchers. Learn about its reliability, metrics, and how it can be used in progressive throwing, velocity, and rehabilitation programs.

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Mike Reinold, PT, DPT, SCS, ATC, CSCS

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  1. Wearable Technology for Baseball Pitchers Mike Reinold, PT, DPT, SCS, ATC, CSCS

  2. No Disclosures

  3. Reasons for Baseball Injuries • Splitter? • Curveball? • Mechanics? • Age? • Size?

  4. Only One Thing Continues to Correlate to Injury

  5. Overuse

  6. Overuse Injuries • Injured players: • Pitch more months, games, and pitches per year • Pitch more innings, pitches, and warm-ups per game • Olsen AJSM ’06 • Fleisig AJSM ’11 • Register-Mahlick - Athl Train ‘12

  7. Throwing a Baseball is not Good For Your Body

  8. 300

  9. Overuse Not Just Quantity

  10. Overuse is Equation of Quantity and Intensity

  11. Pitch Counts Alone are Inherently Flawed

  12. New Era of Wearable Techto Measure and Monitor Workload

  13. We Can Quantify

  14. Motus Sleeve • Wearable sensor • Compression sleeve • Small • 38x25x9mm • Light • 6.9g

  15. Motus Sleeve • 3-axis gyroscope • 3-axis accelerometer • Bluetooth

  16. Motus Sleeve • Metrics • Throw count • Throw intensity • Workload

  17. Motus Sleeve • Advanced Metrics • Arm speed (RPM) • Arm slot • Shoulder ER • Valgus torque

  18. Is it Valid and Reliable?

  19. Reliability • Reinold, Macrina, Fleisig, Andrews: In press 2018 • ICC • Velocity = 0.99 (ASMI = 0.96) • Valgus stress = 0.99 (ASMI = 0.99) • Angular velocity = 0.95 (ASMI = 0.93) • Equally as reliable as full motion analysis

  20. Workload Metrics

  21. Motus Sleeve • Workload metric equations • Daily load • throws x intensity • Acute load • 7 day average • Chronic load • 28 day average • Acute:Chronic Ratio

  22. Acute:Chronic Ratio

  23. Uses

  24. Workload Monitoring

  25. Progressive Throwing Programs

  26. Preseason Throwing – Optimal Workload Progression

  27. Preseason Throwing – Optimal Workload Progression

  28. Customized Velocity Programs

  29. Velocity Programs • Both long toss and weighted balls effective at enhancing velocity • Both are equal to or greater stress than pitching off the mound • Need to be customized on your age, size, mechanics, and goals

  30. Velocity Programs • Exact long toss distance • Exact under- and over-load weighted ball training

  31. Rehabilitation Programs

  32. Rehabilitation Programs • Traditional program adjusts volume and frequency • Reinold: JOSPT ‘02 • Can now adjust for intensity

  33. The Ability to Monitor Stress and Workload is Exciting

  34. Better Understand of The Force of Throwing in Real Time

  35. But it’s Really More than Peak Stress, it’s Workloads

  36. Thank You!

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