Spinal Accessory Nerve

Transverse Cervical Artery

Retraction, Elevation, and Rotation of Scapula

Dorsal Scapular Nerve (and C3 and C4)

Dorsal Scapular Artery

Elevation and Superior rotation of Scapula

Dorsal Scapular Nerve (and C3 and C4)

Dorsal Scapular Artery

Retraction of the Scapula

Thoracodorsal Nerve

Thoracodorsal Artery

Extention, medial Rotation and Adduction of glumerohumeral joint

Segmental DPR and VPR

Segmental Arteries

Accessory Respiration and Stabilizes Vertebral Column

Erector Spinae Muscles

(Spinalis, Longissimus, Iliocostalis)

Segmental DPR

Segmental Arteries

Extension and Lateral flexion of vertebral column

Trapezius-Medial border

Scapular- Lateral border

Latissimus Dorsi-Inferior border

Suprascapular Nerve

Suprascapular Artery

Abduction of glenohumeral joint (Shoulder)

Suprascapular Nerve

Suprascapular Artery

External Rotation of Shoulder

Axillary Nerve

Circumflex Scapular Artery

External Shoulder rotation

Axillary Nerve

Deltoid branches of Thoracoacromial Artery

Abduction of the Shoulder, flexion, and extension

Long head of the triceps brachii muscle (Lateral)

Teres Major- (Inferior)

Teres Minor (Superior)

**Junction of teres muscles form medial apex

Humerus (Lateral)

Teres Major (Inferior)

Teres Minor (Superior)

Long Head of the triceps brachii (Medial)

Medial and Lateral Pectoral nerves

Pectoral branches and segmental intercostals branches

Adduction and Medial Rotation of shoulder

Medial pectoral nerve

Pectoral branches

Depression and Downward rotation of Scapula

Long Thoracic Nerve

Segmental intercostals branches

Hold Scapula against ribs, assist with Protraction