| Muscle | Origin | Insertion | Nerve | Action |
|---|
| Muscles of the shoulder and scapula |
|---|
| deltoideus | outer two thirds spina scapulae, acromion, the outer end of clavicle | tuberositas deltoidea humeri | n. axillaris (C5-C6) | Shoulder joint: ventral and dorsal flexion, abduction, auxiliary external and internal rotation |
| supraspinatus | fossa supraspinata | tuberculum majus humeri | n. suprascapularis (C5) | Shoulder joint: abduction, auxiliary external rotation |
| infraspinatus | fossa infraspinata | tuberculum majus humeri | n. suprascapularis (C5-C6) | Joint of the shoulder: external rotation, auxiliary abduction |
| teres minor | margo lateralis scapulae | tuberculum majus humeri | n. axillaris, n. suprascapularis, (C4-C6) | Joint of the shoulder: external rotation, auxiliary dorsal flexion, auxiliary abduction |
| teres major | angulus inferior scapulae margo lateralis scapulae | crista tuberculi minoris | n. subscapularis (C6) | Shoulder joint: dorsal flexion, adduction, internal rotation |
| subscapularis | facies costalis scapulae | tuberculum minus humeri | n. subscapularis | Shoulder joint: internal rotation, auxiliary dorsal flexion, auxiliary adduction |
