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Skeletal Radiology

, Volume 45, Issue 11, pp 1473–1479 | Cite as

Distal clavicular osteolysis in adults: association with bench pressing intensity

  • Mika T. Nevalainen
  • Michael G. Ciccotti
  • William B. Morrison
  • Adam C. Zoga
  • Johannes B. RoedlEmail author
Scientific Article

Abstract

Objectives

To investigate the association between distal clavicular osteolysis (DCO) and bench pressing intensity.

Methods

From a retrospective review of MRI shoulder reports of individuals between 20 and 40 years of age, 262 male patients with DCO and 227 age-matched male patients without DCO were selected. All patients had completed a bench pressing questionnaire. The patients’ bench pressing frequency (times per week), duration (years of bench pressing), bench pressing weight (maximum bench pressing weight with one repetition = 1RM) and the ratio of bench pressing weight to body weight were compared between both groups using Chi-square and Mann–Whitney tests.

Results

The results showed that 56 % (146/262) of patients with DCO were high-intensity bench pressers (1RM more than 1.5 times the body weight) compared to 6 % (14/227) in patients without DCO. High-intensity bench pressing was a risk factor for DCO (OR = 19; 95 %CI = 11–35; p < 0.001). Low-intensity bench pressing (1RM less than 1.5 times the body weight) was not a risk factor for DCO (OR = 0.6; 95 % CI = 0.4–0.8). High frequency (>1×/week) and duration (>5 years) of bench pressing were risk factors. In bench pressers who suffered from DCO, the mean 1RM was 283 lbs (±SD 57) compared to 209 lbs (±SD 60) in bench pressers not affected by DCO (p < 0.001, Mann–Whitney).

Conclusions

High-intensity, but not low-intensity bench pressing is a risk factor for DCO.

Keywords

Distal clavicular osteolysis Magnetic resonance imaging MRI Bench pressing Clavicular resection Acromioclavicular joint Osteoarthritis 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflicts of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Informed consent

Institutional review board approval was obtained and the requirement for informed consent was waived.

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Copyright information

© ISS 2016

Authors and Affiliations

  • Mika T. Nevalainen
    • 1
  • Michael G. Ciccotti
    • 2
  • William B. Morrison
    • 1
  • Adam C. Zoga
    • 1
  • Johannes B. Roedl
    • 1
    Email author
  1. 1.Division of Musculoskeletal Imaging and Interventions, Department of Radiology, Thomas Jefferson University HospitalSidney Kimmel Medical College at Thomas Jefferson UniversityPhiladelphiaUSA
  2. 2.Division of Sports Medicine, Department of Orthopedic Surgery, Thomas Jefferson University Hospital, Rothman InstituteSidney Kimmel Medical College at Thomas Jefferson UniversityPhiladelphiaUSA

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