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functional unit of muscle (duchennes muscular dystrophy (all types of…
functional unit of muscle
sarcomeres
thick: protein myosin
thin: protein actin
ATP & calcium
calcium released from SR
needed for muscle contraction and relaxation
duchennes muscular dystrophy
all types of muscle affected
more often in boys
genetic incurable myopathy
carried on X chromosome
mitochondrial myopathy
hearing loss, diabetes mellitus, heart, nervous system
defect in ATP production in mitochondria
myasthenia gravis
blood tests, EMG
autoimmune attack
disorder when immune system attacks and destroys large number of ACh receptors
tetanus
paralysis, stiffness and pain
bacterial infection: clostridium tetani