نتایج جستجو برای: تراش shoulder
تعداد نتایج: 29956 فیلتر نتایج به سال:
سایش چرخ همواره یکی از مشکلات گریز ناپذیر صنعت ریلی بوده است. جدا از روشهایی که باید برای کاهش سایش اعمال شوند، برنامه ریزی برای تراش، تعویض و خرید بموقع چرخها از اهمیت خاصی بر خوردار است. در این مقاله روشی برای تعیین پیش بینی رفتار سایشی چرخ ارایه می شود که از طریق آن می توان مدیریتی بهینه بر سیستم تعمیراتی چرخ حاکم کرد و زمان رسیدن چرخ به حد تراش از قبل پیش بینی شده و نسبت به انجام عملیاتی ما...
The purpose of this review is to scrutinize the physiology of neck-shoulder pain and trapezius myalgia based on the most recent scientific literature. Therefore, systematic literature searches have been conducted. Occurrence of neck-shoulder pain, risk factors for development of neck-shoulder pain, and its work-relatedness are addressed. Furthermore, the latest information on the biochemical mi...
BACKGROUND There is sparse literature that provides evidence of cervical and shoulder postural alignment of 15 to 17-year-old adolescents and that analyzes sex differences. OBJECTIVES To characterize the postural alignment of the head and shoulder in the sagittal plane of 15 to 17-year-old Portuguese adolescents in natural erect standing and explore the relationships between three postural an...
This update examines recent articles and evidence for the role of ultrasound in the diagnosis and management of shoulder impingement syndromes and emphasizes its principal application in evaluation for external impingement. Shoulder ultrasound is commonly used as the initial investigation for patients with shoulder pain and suspected impingement. This is due to the high resolution of current ul...
ارتعاشات چتِر یکی از عوامل محدود کننده در افزایش نرخ براده¬برداری در فرآیندهای ماشینکاری می¬باشد. در این مقاله، مدلسازی مکاترونیکی یکپارچه دستگاه تراش تجهیز شده به میراگر هوشمند مگنتورئولوژیک و طراحی کنترل فازی نیمه فعال برای جلوگیری از ارتعاشات چتر ارائه می¬گردد. کاهش ارتعاشات چتر با تغییر دادن نیمه فعال مشخصات دینامیکی سازه¬ی ماشین¬ابزار (مانند قسمت¬های حقیقی و موهومی تابع پاسخ فرکانسی) که پار...
Osteoarthritis (OA) can cause severe pain and dysfunction of the shoulder. When conservative treatment fails and operative treatments such as shoulder arthroplasty and open glenohumeral resurfacing are not advisable, shoulder arthroscopy may be used to treat shoulder OA. Arthroscopic treatment of concomitant pathology in the shoulder including subacromial decompression, labral repair, capsular ...
Patients who present with global capsular laxity and glenohumeral instability frequently can be treated successfully with shoulder girdle musculature strengthening exercises and activity modification. When such injury is caused by a paralytic shoulder, a rehabilitation program may not be a viable treatment option. Presented in this article are 3 patients with global capsular laxity and glenohum...
The purpose of this study cares to investigate effect of shoulder stabilization exercise at the pain control, function and range of motion of shoulder girdle after surgery of shoulder dislocation patients. They were assigned by random sampling to an experimental group to which stabilization exercise was applied and a control group to which ordinary physical treatment was applied. The results of...
The aims of our study were to compare the dominant (DOM) and non-dominant (NDOM) shoulders of high-level volleyball athletes and identify possible associations of shoulder adaptations with spike speed (SS) and shoulder pathology. A total of 22 male volleyball players from two teams participating in the first division of the Cypriot championship underwent clinical shoulder tests and simple measu...
Frozen shoulder is a glenohumeral joint disorder that perturbs movement because of adhesion and the existence of fibrosis in the shoulder capsule. Platelet-rich plasma can produce collagen and growth factors, which increases stem cells and consequently enhances the healing. To date, there is no evidence regarding the effectiveness of platelet-rich plasma in frozen shoulder. A 45-year-old man ...
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