Anatom3DUlnar head of pronator teres
Caput ulnare musculi pronatoris teretis · Loketní hlava oblého pronátoru
Muscles
Looks like
The small deep head of pronator teres, from the coronoid process of the ulna.
What it does
Joins the humeral head to turn the palm down.
Keeping it well
The median nerve runs between the heads; night numbness is more often carpal tunnel syndrome.