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Click Baseline MRI for PATIENT 1: 30 year old male diagnosed with a lumbar sprain/strain, and disc herniations at levels L3-L4, L5-S1, and muscle spasming. FINDINGS: MRI transverse sequences revealed posterior disc protrusion at the L5-S1 level w/ a focal herniation on the left contacting the S1 nerve root; midline disc protrusion at L3-L4 level; disc degeneration L3-S1 in addition to LMM atrophy (asymmetric multifidus muscle atrophy at L5-S1 avg. approx. 32.4% on the left and 23.4% on the right). TECHNIQUE: 1.5T scanner, transverse non-contrast T1-weighted sequences, TR: 627.0 and TE: 15.0.

Click Follow-up MRI for PATIENT 1: 30 year old male diagnosed with a lumbar sprain/strain, and disc herniations at levels L3-L4, L5-S1, and muscle spasming. FINDINGS: MRI transverse sequences were performed 44 months post baseline revealing LMM atrophy at L5-S1 (asymmetric atrophy avg. approx. 27.5% on the left and 21.8% on the right) TECHNIQUE: 1.5T scanner, transverse non-contrast T1-weighted sequences, TR: 450.0 and TE: 10.0.

Click Baseline MRI for PATIENT 2: 41 year old male diagnosed with a lumbar sprain/strain, and right foot paresthesias. FINDINGS: MRI transverse sequences revealed mild posterior disc bulge at L4-L5 level; mild bilateral intervertebral stenosis at the L5-S1 level; intervertebral disc degeneration L4-S1 in addition to LMM atrophy (asymmetric multifidus muscle atrophy at L4-S1 avg. approx. 20.3% on the left and 13.0% on the right). TECHNIQUE: 1.5T scanner, transverse non-contrast T1-weighted sequences, TR: 650.0 and TE: 14.0. Follow-up MRI: 1.5T scanner, transverse non-contrast T1-weighted sequences, TR: 500.0 and TE: 13.1.

Click Follow-up MRI for PATIENT 2: 41 year old male diagnosed with a lumbar sprain/strain, and right foot paresthesias. FINDINGS: MRI transverse sequences were performed 72 months post baseline revealing LMM atrophy (asymmetric multifidus muscle atrophy at L4-S1 avg. approx. 12.3% on the left and 8.8% on the right TECHNIQUE: 1.5T scanner, transverse non-contrast T1-weighted sequences, TR: 500.0 and TE: 13.1.

Click Baseline MRI for PATIENT 3: 29 year old male diagnosed with a lumbar sprain/strain, herniated discs: L4-L5, L5-S1, sciatic neuralgia, and muscle spasming. FINDINGS: MRI transverse sequences revealed L4-L5: right paracentral disc protrusion; L5-S1: mild degenerative disc disease, and subtle left paracentral protrusion in addition to LMM atrophy (asymmetric multifidus muscle atrophy at L4-S1 avg. approx. 12.2% on the left and 11.6% on the right). TECHNIQUE: 1.0T scanner, transverse non-contrast T1-weighted sequences, TR: 621.0 and TE: 12.0.

Click Follow-up MRI for PATIENT 3: 29 year old male diagnosed with a lumbar sprain/strain, herniated discs: L4-L5, L5-S1, sciatic neuralgia, and muscle spasming. FINDINGS: MRI transverse sequences were performed 12 months post baseline revealing increased LMM atrophy (asymmetric multifidus muscle atrophy at L4-S1 avg. approx. 17.2% on the left and 17.8% on the right) TECHNIQUE: 1.5T scanner, transverse non-contrast T1-weighted sequences, TR: 550.0 and TE: 13.1.