Deep head of pronator teres
Caput profundum pronatoris teretis
- Latin synonym: Caput ulnare pronatoris teretis
- Synonym: Ulnar head of pronator teres
- Related terms: Ulnar head; Pronator teres : Ulnar head
Definition
Deep head of pronator teres | |||
Origin | Ulnar head: coronoid process of the ulna | ||
Insertion | Radius (mid-shaft) | ||
Artery | Ulnar and radial artery | ||
Innervation | Median nerve | ||
Action | Pronation of the forearm and flexes the elbow | ||
Antagonist | Supinator muscle |
The deep head of pronator teres is the smaller and deeper of its two origins. It arises from the coronoid process of the ulna. It combines with the humeral head to eventually insert as a common tendon onto a rough impression on the lateral surface of the midshaft of the radius.
References
Luxenburg D, Rizzo MG. Anatomy, Shoulder and Upper Limb, Pronator Teres. [Updated 2023 May 1]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK580564/