Infraspinatus

Schematic anatomy
Deep layerInfraspinatus

Shoulders

Anterior deltoidMiddle deltoidPosterior deltoid

Rotator cuff

SupraspinatusInfraspinatusTeres minorSubscapularis

Neck

SternocleidomastoidLongus colli & longus capitisScalenesSplenius capitis & cervicisLevator scapulaeSuboccipital muscles
Movement guide

Infraspinatus

Externally rotates the upper arm and helps stabilize the shoulder.

01

Band external rotation

Shoulder rotation · Light band

Also works

Teres minor, posterior deltoid

How to perform

Keep your elbow bent at your side. Rotate your forearm outward against a light band, then return slowly.

Keep the upper arm still and avoid turning your torso.

Example volume · 2 sets × 10–15 reps

Referenceswww.orthoinfo.org

Community draft · awaiting expert review