Radial groove
Spiral groove on the surface of the humerus
From Wikipedia, the free encyclopedia
The radial groove (also known as the musculospiral groove, radial sulcus, or spiral groove) is a broad but shallow oblique depression for the radial nerve and deep brachial artery. It is located on the center of the lateral border of the humerus bone.[1] It is situated alongside the posterior margin of the deltoid tuberosity, ending at its inferior margin.[2]
| Humerus | |
|---|---|
 Left humerus. Posterior view. (Label, visible at center, is "Groove for radial nerve") | |
| Details | |
| Identifiers | |
| Latin | sulcus nervi radialis |
| TA98 | A02.4.04.014 |
| TA2 | 1197 |
| FMA | 23417 |
| Anatomical terms of bone | |
Although it provides protection to the radial nerve, it is often involved in compressions on the nerve (due to external pressure due to surgery) that can cause radial nerve palsy.[1]
See also
Additional images
Cross-section through the middle of upper arm.
The brachial artery.
The suprascapular, axillary, and radial nerves.
