|
CSAs of trunk muscles (mm2 kg−1)
|
LDD (69 athletes)
|
Non-LDD (82 athletes)
|
p value
|
|---|
|
Rectus abdominis
|
24.1 ± 5.8 (22.7–25.5)
|
26.6 ± 5.8 (25.3–27.8)
|
0.011
|
|
Obliques
|
88.6 ± 16.4 (84.6–92.5)
|
94.3 ± 14.3 (91.1–97.4)
|
0.024
|
|
Psoas
|
36.8 ± 8.4 (34.8–38.8)
|
39.2 ± 8.2 (37.4–41.0)
|
0.086
|
|
Quadratus lumborum
|
24.5 ± 4.7 (23.4–25.7)
|
26.7 ± 4.7 (25.6–27.7)
|
0.006
|
|
Erector spinae plus multifidus
|
76.0 ± 13.4 (72.8–79.3)
|
82.6 ± 11.6 (80.0–85.1)
|
0.002
|
|
Total area
|
250.1 ± 38.1 (240.9–259.2)
|
269.2 ± 32.0 (262.2–276.3)
|
0.001
|
- Data are presented as mean ± SD (95 % CI). All relative CSAs are normalized by their body weight
-
LDD lumbar intervertebral disc degeneration
