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Lower fiber cross-sectional area (CSA) 1 wk after anterior cruciate ligament (ACL) injury. Representative images of vastus lateralis muscle stained with dystrophin (green) for control (A) and 1 wk (B). Mean cross-sectional area between groups (C) and within groups (D) for vastus lateralis muscles of rats without injury (control) and at 6, 12, 24, and 48 h and 1, 2, and 4 wk after ACL injury. Values are means ± SE. Con, control; L, left limb. #P < 0.05, different from 1 wk.
