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MRI Findings in Throwing Shoulders of Waterpolo Players

This study has been completed.
Information provided by:
Cantonal Hospital of St. Gallen Identifier:
First received: August 13, 2009
Last updated: July 6, 2011
Last verified: June 2011
MRI examination of 60 shoulders of waterpolo players (30 throwing shoulders as well as the opposite side) and 15 healthy probands as control group (30 shoulders of non waterpolo players. The correlation of MRI alteration and clinical symptomatic findings in both groups will be investigated. The clinical examination is performed by 2 board certified orthopedic surgeons and based on the Constant Murley Score.

Condition Intervention
Waterpolo Players Non Throwing Shoulders Other: MRI

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Masking: Single (Investigator)
Primary Purpose: Diagnostic
Official Title: MRI Findings in Throwing Shoulders of Waterpolo Players Abnormalities in Professional Waterpolo Players

Further study details as provided by Cantonal Hospital of St. Gallen:

Primary Outcome Measures:
  • Correlation between alterations of SSP-tendon in MRI and clinical symptoms [ Time Frame: 1 day ]

Enrollment: 45
Study Start Date: July 2009
Study Completion Date: October 2010
Primary Completion Date: October 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
waterpolo players
30 throwing shoulders of waterpolo players
Other: MRI
MRI and clinical investigation
controle group
15 healthy patients (non waterpolo players); 30 shoulders
Other: MRI
MRI and clinical investigation


Ages Eligible for Study:   18 Years to 35 Years   (Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Study shoulders of elite waterpolo players
  • Study shoulders of healthy non throwing persons
  • Age between 18-35 years
  • Male
  • Given informed consent

Exclusion Criteria:

  • Previous shoulder surgery
  • Goal keeper
  • Metallic implants
  • Pacemaker
  • Tattoos with metallic colors
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00959543

Department of Orthopedic Surgery
St. Gallen, Switzerland, 9007
Sponsors and Collaborators
Cantonal Hospital of St. Gallen
Principal Investigator: Michael A. Badulescu, MD Cantonal Hospital St. Gallen
  More Information

Responsible Party: Michael A. Badulescu, MD, Kantonal Hospital St. Gallen, Department of Orthopedic Surgery Identifier: NCT00959543     History of Changes
Other Study ID Numbers: EKSG09/068
Study First Received: August 13, 2009
Last Updated: July 6, 2011 processed this record on September 25, 2017