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Biomechanical Factors Affecting Dave Dravecky's Return to Competitive Pitching: A Case Study
The Journal of Orthopaedic and Sports Physical Therapy
|January 1, 1992
Summary
San Francisco Giants pitcher Dave Dravecky fractured his humerus after returning from surgery. Biomechanical factors like abnormal loading and bone geometry may have contributed to the injury, impacting his comeback.
Area of Science:
- Orthopedics
- Sports Medicine
- Biomechanics
Background:
- Dave Dravecky, a professional baseball pitcher, underwent surgery for a desmoid tumor and cryosurgery.
- He returned to competition 10 months post-surgery.
- Sustained a spiral fracture of the humerus during a pitching event.
Purpose of the Study:
- To explore biomechanical factors contributing to a humerus fracture in a baseball pitcher.
- To analyze the potential causes of injury following return to high-performance sports after musculoskeletal trauma and surgery.
Main Methods:
- Case study analysis of Dave Dravecky's injury.
- Exploration of biomechanical principles related to pitching and bone fracture.
- Review of factors including abnormal loading, muscle imbalance, bone geometry, stress concentration, and fatigue failure.
Main Results:
- A spiral fracture of the humerus occurred during a pitching motion.
- Potential contributing factors identified include abnormal loading, muscle imbalance, altered bone geometry, stress concentration, and fatigue failure.
Conclusions:
- Biomechanical analysis is crucial for understanding injury mechanisms in athletes returning from surgery.
- These factors may provide insights into preventing similar injuries in baseball pitchers.
- Further investigation into biomechanics can inform return-to-play protocols after significant musculoskeletal injury.