I — Latissimus dorsi; 2 — Inferior lumbar triangle; 3 — External oblique; 4 — Rhomboid major; 5 — Infraspinatus, infraspinous fascia; 6 — Teres major; 7 — Deltoid fascia; 8 — Spine of scapula; 9 — Ascending part; Inferior part; 10 — Transverse part; Middle part;
II — Descending part; Superior part; 12 = 9 + 10 + 11 — Trapezius; 13 — External occipital protuberance; 14 — Sternocleidomastoid; 15 — Splenius capitis; 16 — Acromion; 17 — Vertebra prominens [CVII], spinous process; 18 — Scapula, inferior angle; 19 — Thoracic
vertebra [TXII], spinous process; 20 — Thoracolumbar fascia; 21 — Iliac crest; 22 — Sacrum [sacral vertebrae SI-SV], dorsal surface
