synovial chondromatosis affecting the glenohumeral joint is rare. treatment primarily consists of arthroscopic loose body removal and synovectomy. shoulder arthroplasty has been mentioned in the literature as a treatment option for patients with coexisting arthritis, although the results have been underreported. the case of an 84-year-old man with long standing synovial chondromatosis of the sh...

a hydatid cyst is a zoonotic infection caused by the larval forms of mostly the echinococcus granulosus. in humans, the most common site of cyst development is the liver (60%), followed by the lungs (20%), and much less commonly in other organs such as kidney, spleen, brain, and other soft tissues. the localization of cysts in muscles and subcutaneous is very rare. we report a case of 38-year-o...

Many studies have examined the impact of factors affecting accident severity in rural areas; however, little attention has been paid to different lighting conditions (LCs), and less detailed categories precise determining twilight. In this paper, solar altitude angle (SAA), as a basis for differentiating categorizing LCs, is proposed investigate explanatory variables much greater detail. For ea...

This study evaluated the ergonomic performance of drivers’ workstations in southwest Nigeria. Fifty urban buses selected from ten brands were investigated by direct measurement. The mini-A and midi-B. Vertical horizontal distances seat reference point to pedal steering wheel, with dimensions considered. anthropometric 150 male bus drivers taken South-west results revealed that values for driver...

The results of anatomic total shoulder arthroplasty and reverse shoulder arthroplasty have previously been reported separately. Although the indications differ, scenarios exist in which a patient may have a total shoulder arthroplasty on 1 shoulder and a reverse shoulder arthroplasty on the contralateral shoulder.Between 1992 and 2009, twelve patients underwent bilateral sequential primary shou...

INTRODUCTION: Rotator cuff tears are a common cause of shoulder pain and disability. Surgical repair of the rotator cuff tears is effective for improvement of shoulder function. The long head of the biceps brachii (LHB) tendon has an important mechanism for humeral head stability and glenohumeral articulation. 1) Several lesions around the LHB tendon associated with rotator cuff tears are repor...

background: to explain the role of arthroscopic release in intractable frozen shoulders. we used different questionnaires and measuring tools to understand whether arthroscopic release is the superior modality to treat patients with intractable frozen shoulders. methods: between 2007 and 2013, in a prospective study, we enrolled 80 patients (52 females and 28 males) with recalcitrant frozen sho...

The purpose of this study was to determine relationship between prevalence and types of injuries with anthropometric properties of male elite volleyball players of Iran. 91 male volleyball players in 1388 premier volleyball league of Iran (27.53±2.89 years old, 7.88±1.04 year’s volleyball background) participated in this study. To collect data, Australian standard sport injury questionnaire was...