6. Teres Minor

Origin: Superior 2/3rds of the lateral posterior aspect of the scapula

Insertion: Inferior facet of the greater tubercle of the humerus

Action: External rotation of the arm

Innervation: Axillary nerve (C5/6)

Needling

Position: Prone

Palpation: Palpate the lateral border and inferior angle of the scapula

Technique: Needling ipsilaterally or contralaterally across the body: Block the ribs by grabbing the scapula with your index finger resting against the lateral border of the scapula – Needle towards the lateral border of the scapula using it as a bony backdrop

Caution: Moderate risk – Muscle belly is near lung field – Lung field in inferior and medial to this muscle