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Ch. 5 The Skeletal System
Marieb - Essentials of Human Anatomy & Physiology 13th Edition
Marieb13th EditionEssentials of Human Anatomy & PhysiologyISBN: 9780135624340Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoMarieb 13th EditionCh. 5 The Skeletal SystemProblema 17
Capitolo 5, Problema 17

Name the bones of the shoulder girdle.

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The shoulder girdle, also known as the pectoral girdle, consists of two main bones: the clavicle and the scapula.
The clavicle, commonly referred to as the collarbone, is a long, slender bone that connects the sternum (breastbone) to the scapula. It helps stabilize the shoulder and provides attachment points for muscles.
The scapula, also known as the shoulder blade, is a flat, triangular-shaped bone located on the posterior side of the rib cage. It serves as an attachment site for several muscles and articulates with the humerus to form the shoulder joint.
Together, the clavicle and scapula form the framework of the shoulder girdle, allowing for a wide range of motion and supporting the upper limb.
Understanding the anatomy of the shoulder girdle is essential for studying how the upper limb functions in movement and stability.

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Shoulder Girdle Anatomy

The shoulder girdle, also known as the pectoral girdle, consists of two main bones: the clavicle (collarbone) and the scapula (shoulder blade). These bones connect the upper limb to the trunk and provide support and mobility to the shoulder joint.
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Pectoral Girdle

Clavicle

The clavicle is a long, slender bone that runs horizontally between the sternum and the scapula. It acts as a strut to stabilize the shoulder and allows for a wide range of arm movements. Its unique shape helps protect underlying nerves and blood vessels.
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The Pectoral Girdle Example 1

Scapula

The scapula is a flat, triangular bone located on the posterior side of the ribcage. It serves as the attachment point for several muscles that facilitate shoulder movement and stability. The scapula also features important structures like the glenoid cavity, which forms the socket for the shoulder joint.
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The Pectoral Girdle Example 1
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