The ulnar nerve is rooted in spinal area C8 to T1. The other four nerves in this area include the: Radial nerve. Controls muscles in the forearm, upper arm, elbow, and back of hand.

The most complex nerve plexus is the brachial plexus, consisting of cervical nerves 5 through 8 (C5 to C8) and thoracic nerve 1 (T1). The brachial plexus provides the nerve supply to the entire ...

Schwannoma: MRI Scans of the Lumbar Spine; (Left Top) T1-weighted axial; (Left Middle) T1-weighted with gadolinium axial; (Left Lower) T2-weighted axial; (Middle) T2-weighted mid-sagittal; (Right) ...

Bilateral nerve roots emanate from each level above the corresponding vertebral body. ... C8 to the ring finger, the small finger, and the medial forearm; and T1 to the medial arm.

Thoracic nerves: These exit the torso region and are labeled T1–T12. Lumbar nerves: These exit the lower back region and are labeled L1–L5. Sacral nerves: These exit the base of the spine and ...

Schwannoma: (Top Left) T2-weighted axial MRI; (Top Right) T1-weighted with gadolinium axial MRI; (Bottom Left) T1-weighted coronal MRI; (Bottom Right) T1-weighted with gadolinium coronal MRI. Note the ...