Fig. 1
From: Correlation between multifidus fatty atrophy and lumbar disc degeneration in low back pain

The Pfirrmann classification for assessing lumbar disc degeneration: a-grade I; b-grade II; c-grade III; d-grade IV; e-grade V
From: Correlation between multifidus fatty atrophy and lumbar disc degeneration in low back pain
The Pfirrmann classification for assessing lumbar disc degeneration: a-grade I; b-grade II; c-grade III; d-grade IV; e-grade V