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Velocity Secrets: The Mechanisms That Increase Pitching Velocity

Mar 02, 2025

Understanding Pitching Velocity: The Role of Shoulder Mobility

Are you struggling to increase your pitching speed despite intense training? As an experienced sports physical therapist and a faculty member in a doctorate of physical therapy program, I'm here to show you how subtle changes in shoulder mobility can significantly boost your pitching velocity. Today, we delve into the biomechanics of pitching, highlighting both the benefits and risks of weighted ball training.

The Science Behind Faster Pitches

Recent studies have illuminated how minute adjustments in a pitcher's shoulder can drastically alter their throwing speed. In a 2021 study, athletes engaging in a six-week weighted ball training program experienced a remarkable 40% increase in shoulder external rotation—changes not seen in the control group. This discovery prompts us to explore the potential mechanisms behind such improvements.

Weighted Balls: Boost or Risk?

While weighted ball training shows promising results in increasing shoulder mobility, it's not without risks. Another study examined the acute effects of throwing weighted balls ranging from 16 to 32 ounces. The outcome? Participants saw an 8-degree increase in passive shoulder external rotation. However, it's vital to note that this increase in mobility may also heighten stress on the arm, potentially leading to injuries.

Striking the Right Balance

Given the potential risks, integrating weighted balls into your training regimen must be done cautiously. Balancing the pursuit of enhanced pitching velocity with the need to maintain arm health is crucial for both athletes and coaches.

Conclusion: Your Path to Enhanced Pitching Velocity

Remember, enhancing your pitching velocity is not solely about how hard you train but understanding the biomechanics behind each throw. We've explored how increasing shoulder mobility can lead to faster pitches and discussed the importance of cautious training to avoid injury. As Dr. Kam, a seasoned physical therapist and a faculty member, I'm committed to helping you throw harder and stay healthy. 

Interested in learning more? Check out our other articles on the shoulder, or contact me directly to tailor a program that’s right for you:

  1. Shoulder Pain in Baseball: What Every Thrower Must Know
  2. Overcoming Shoulder Pain: Andrew's Path to Stronger Throws
  3. The Complete Guide To Understanding Athlete's Shoulder

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