The broad superior segment of the sternum that articulates with the clavicles and the first two pairs of ribs in the anterior thoracic wall.
Articulates with the clavicles and first costal cartilages, anchoring the pectoral girdle to the axial skeleton.
Superior midline of the anterior thoracic wall.
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Skeletal muscles attach across bones and joints; when muscles contract, they pull on bony landmarks to produce movement and maintain posture.
Cartilage, ligaments, and joint capsules connect bones to one another, stabilize joints, and distribute mechanical loads across the skeleton.
The cranial vault and vertebral column form a protective bony enclosure around the brain and spinal cord.