EA improved locomotor functional recovery after SCI. A, C. Locomotor function in the hindlimbs was evaluated by BBB score and oblique board test at -1, 3, 7, 14, 21, and 28 days post injury. B. Quantification of the BBB score on day 28 in each group. D. Quantification of the oblique board test angle on day 28 in each group. *P < 0.05, **P < 0.01, ***P < 0.001 compared with Sham group; ###P < 0.001 compared with SCI group. (n = 10).