[Changes in the skeletal musculature due to tendon rupture].
Alterations of the sceletal muscles after spontaneous rupture of the tendon were studied. It was established that after the rupture of the tendon in the muscle activity of the succinedehydrogenase, myofibrillar ATP-ase, creatinphosphokinase and aldolase markedly decreases. After the rupture of the tendon alteration of the proportion of various types of fibers may also be observed i.e. the rate of the fibres of type I considerably decreases. Electron microscopic findings indicate that alterations of the musculature are diffuse first of all elements of contractility are damaged: atrophy and rupture of them can be seen. Fibres of normal ultrastructure were not found at all, which indicates that both types of fibres I and II are equally damaged.
D000328:Adult; D001134:Arm Injuries / Q000150:complications; D005260:Female; D006801:Humans; D007869:Leg Injuries / Q000150:complications; D008297:Male; D008875:Middle Aged; D008931:Mitochondria, Muscle / Q000648:ultrastructure; D009132:Muscles / Q000648:ultrastructure; D009135:Muscular Diseases / Q000209:etiology* / Q000601:surgery; D009210:Myofibrils / Q000648:ultrastructure; D012421:Rupture / Q000150:complications*; D013708:Tendon Injuries / Q000150:complications* / Q000601:surgery
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