Teres Minor Muscle
Teres minor (Musculus teres minor):
Origin: The middle part of the lateral (axillary) border of the scapula.
Insertion: (The inferior aspect of greater tubercle of the humerus.
- Laterally rotates the arm at the shoulder (glenohumeral) joint.
- Weakly adducts the arm at the shoulder (glenohumeral) joint.
- Helps stabilize the shoulder by drawing the humerus toward the glenoid fossa of the scapula.
Nerve to the muscle:
a. Axillary nerve.
a. C5 and C6.