عضله
راستکننده ستون فقرات
Extends the vertebral column Unilateral contraction laterally flexes the trunk Maintains upright posture
- مبدا
- Sacrum, iliac crest, spinous and transverse processes of vertebrae (Iliocostalis, Longissimus, Spinalis group)
- انتها
- Ribs, transverse and spinous processes of vertebrae, occipital bone (varies by component muscle)
- عصب
- Posterior rami of spinal nerves
اطلس عضلات
راستکننده ستون فقرات
Extends the vertebral column Unilateral contraction laterally flexes the trunk Maintains upright posture
- مبدا
- Sacrum, iliac crest, spinous and transverse processes of vertebrae (Iliocostalis, Longissimus, Spinalis group)
- انتها
- Ribs, transverse and spinous processes of vertebrae, occipital bone (varies by component muscle)
- عصب
- Posterior rami of spinal nerves