• Publications
  • Influence
Contact between the glenoid and the humeral head in abduction, external rotation, and horizontal extension: a new concept of glenoid track.
To date, no anatomic or biomechanical studies have been conducted to clarify what size of a Hill-Sachs lesion needs to be treated. Nine fresh-frozen cadaveric shoulders were tested in a customExpand
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Why is the humeral retroversion of throwing athletes greater in dominant shoulders than in nondominant shoulders?
A rotation angle of the proximal humerus relative to the elbow (bicipital-forearm angle) was measured by use of ultrasonography to determine the relationship between humeral retroversion and growthExpand
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Immobilization in external rotation after shoulder dislocation reduces the risk of recurrence. A randomized controlled trial.
BACKGROUND An initial anterior dislocation of the shoulder becomes recurrent in 66% to 94% of young patients after immobilization of the shoulder in internal rotation. Magnetic resonance imaging andExpand
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Effect of an Anterior Glenoid Defect on Anterior Shoulder Stability
Background There have been few biomechanical studies to clarify which size of a glenoid defect is critical. However, those studies have assumed that the defect occurred anteroinferiorly. RecentExpand
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Location of the Glenoid Defect in Shoulders with Recurrent Anterior Dislocation
Background In patients with recurrent anterior dislocations of the shoulder, it is well known that the glenoid rim is often deficient (8%-95%). However, little is known regarding the precise locationExpand
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A new method of immobilization after traumatic anterior dislocation of the shoulder: a preliminary study.
This preliminary prospective study was conducted to determine whether immobilization with the arm in external rotation would decrease the rate of recurrence after initial traumatic anteriorExpand
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  • Open Access
Are Pain Location and Physical Examinations Useful in Locating a Tear Site of the Rotator Cuff?
Background Pain is the most common symptom of patients with rotator cuff tendinopathy, but little is known about the relationship between the site of pain and the site of cuff pathologic lesions.Expand
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Expression of growth factors in the early phase of supraspinatus tendon healing in rabbits.
Growth factors are known to appear during wound healing. We hypothesized that growth factors would also appear during the healing process of a rotator cuff tear. We determined the expression ofExpand
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Apoptosis in the supraspinatus tendon with stage II subacromial impingement.
The purpose of this study was to investigate the histopathology, including apoptosis, in the supraspinatus tendon with stage II subacromial impingement. Samples from the critical zone of theExpand
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Position of Immobilization After Dislocation of the Glenohumeral Joint: A Study with Use of Magnetic Resonance Imaging
Background: Glenohumeral dislocations often recur, probably because a Bankart lesion does not heal sufficiently during the period of immobilization. Using magnetic resonance imaging, we assessed theExpand
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