Fig. 4

Distribution of multifidus atrophy in the herniated and control groups. 0: grade 0 of multifidus; 1: grade 1 of multifidus; 2: grade 2 of multifidus; 3: grade 3 of multifidus; 4: grade 4 of multifidus
Distribution of multifidus atrophy in the herniated and control groups. 0: grade 0 of multifidus; 1: grade 1 of multifidus; 2: grade 2 of multifidus; 3: grade 3 of multifidus; 4: grade 4 of multifidus