Expired Study
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Gainesville, Florida 32611


The evaluation of any relationship between the rotational resistance of the shoulder and shoulder flexibility with throwing arm injuries in professional and college level pitchers.


Inclusion Criteria: - Currently competing - Healthy pitching arm Exclusion Criteria: - Inactive status - Previous injury

Study is Available At:

Original ID:




Secondary ID:

Study Acronym:

Brief Title:

Shoulder Rotational Flexibility and Throwing Arm Injuries of Baseball Pitchers

Official Title:

Shoulder Internal/External Rotational Flexibility is Related to Throwing Arm Injuries in Professional Baseball Players

Overall Status:


Study Phase:




Minimum Age:

18 Years

Maximum Age:

40 Years

Quick Facts

Healthy Volunteers
Oversight Has DMC
Study Is FDA Regulated
Study Is Section 801
Has Expanded Access

Study Source:

University of Florida

Oversight Authority:

United States: Institutional Review Board

Reasons Why Stopped:

Study Type:


Study Design:

Observational Model: Case-Only, Time Perspective:

Number of Arms:


Number of Groups:


Total Enrollment:


Enrollment Type:


Overall Contact Information

Official Name:Nigel Zheng, PhD
Principal Investigator
UF Department of Orthopaedics and Rehabilitation

Study Dates

Start Date:October 2007
Completion Date:December 2007
Completion Type:Actual
Primary Completion Date:December 2007
Primary Completion Type:Actual
Verification Date:April 2012
Last Changed Date:April 4, 2012
First Received Date:February 29, 2008

Study Outcomes

There are no available Study Outcomes

Study Interventions

There are no available Study Interventions

Study Arms

There are no available Study Arms

Study Agencies

Agency Class:Other
Agency Type:Lead Sponsor
Agency Name:University of Florida
Agency Class:Other
Agency Type:Collaborator
Agency Name:Major League Baseball

Samples and Retentions

Study Population: Collegiate level baseball pitchers
Sample Method:Non-Probability Sample

Study References

There are no available Study References

Data Source: ClinicalTrials.gov

Date Processed: January 21, 2020

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