منابع مشابه
Stress Concentrations , Fatigue , Fracture
The fundamental topic in this document is the development of cracks in steel. For structures subjected to cyclic loads, such cracks can develop over time and ultimately reach the size at which some dramatic failure occur. While this problem is rare in structures made of “mild steel,” the use of “high tensile” steel changes that situation. It is straightforward to double the strength of mild ste...
متن کاملIschial stress fracture.
A single report of a very unusual stress fracture in the ischium of a fourteen year old athlete. The mechanism and the more usual lesion of ischial apophysiolysis is discussed.
متن کاملStress fracture of the capitate.
Stress fracture of the capitate reports A 42-year-old male physical exercise teacher presented to his general practitioner (GP) with a 4-month history of bilateral wrist pain. He was unable to recall any specific episode of trauma, but the nature of his work as a gymnastics teacher required repeated dorsiflexion of both wrists. The pain was enough to keep him awake at night and he had developed...
متن کاملStress fracture of the patella.
Stress fractures are rarely an indication for surgical treatment. In our case we decided to operate on the patient because of distraction of the fragments. Solid bony healing took longer than in traumatic fractures, but the good functional result confirmed our regimen.
متن کاملMetacarpal stress fracture in amateur tennis player – an uncommon fracture☆
Most stress fractures occur in the lower limbs and are rarely observed in the upper limbs. The second metacarpal is the longest of all the metacarpals and has the largest base, articulating with the trapezium, trapezoid, capitate, and third metacarpal. In athletes, stress fractures in non-weight bearing joints are uncommon. Therefore, the shaft of the second metacarpal bone undergoes a higher l...
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ژورنال
عنوان ژورنال: Japanese Journal of Physical Fitness and Sports Medicine
سال: 1994
ISSN: 0039-906X,1881-4751
DOI: 10.7600/jspfsm1949.43.145