Fig. 3From: The effect of high-intensity resistance exercise on lumbar musculature in patients with low back pain: a preliminary studyMuscle cross sectional area (mCSA) (a, b) and fat fraction (FF) (c, d) measures of the erector spinae (a, c) and multifidus (b, d) muscles. No significant differences in muscle physiology assessed by magnetic resonance imaging were found between pre- and post-rehabilitation measurements. Data reported as mean ± standard deviationBack to article page