Table 3: Volume of the multifidus at L4-L5.

Measurements

Min-Max

Mean ± SD

CSAM L4-L5 right (mm2)

1,028-3,241

2,166.02 ± 444.981

CSAM L4-L5 left (mm2)

1,298-3,768

2,237.28 ± 528.808

CSAM total (mm2)

2,326-7,001

4,403.30 ± 941.972

VBA (mm2)

877-1,689

1,281.00 ± 188.523

Lumbar musculature (%)

211.26-494.66

344.4986 ± 58.364

CSAM = cross-sectional area multifidus.

SD = standard deviation.

VBA = vertebral body area.