P 4 2

Clavicle

Scapula

Cervical vertebrae ' C-1 . C-7

Deltoid tuberosity

Superior angle U \ _y Medial border

Acromion * process

Costal

cartilage

r Spine of ^/\ scapula

hLateral border

Humerus

Body of lumbar vertebrae

Interior angle

— Transverse process

Spinous process r Crest of ilium

Thoracic \ vertebrae ^XT-1 — T-12

Lumbar vertebrae • L-1 .L-5

Sacrum

Median ridge of sacrum

Platę 4-2 Skeletal features of the lateral chest, posterior shoulder, and upper back