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Cross section area of fibers of gastrocnemius muscle. CT-Sham – control group (n = 6); RA group – RA + RAEX (n = 12), RA – rheumatoid arthritis group (n = 6); RAEX – rheumatoid arthritis who held an acute session of resistance exercise (n = 6)]; RAOV – ovariectomy with rheumatoid arthritis (n = 6); RAOVEX – ovariectomy with rheumatoid arthritis who held an acute session of resistance exercise (n = 6)], *p < 0.05, **p < 0.05 (difference from RA group)
